scripts/cpa.sh -heap 50000M -noout -disable-java-assertions -predicateAnalysis-PredAbsRefiner-ABEl -setprop cpa.predicate.handlePointerAliasing=false -64 -timelimit 900s -stats -spec test/programs/benchmarks/ldv-linux-3.0/ALL.prp test/programs/benchmarks/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko_true-unreach-call.cil.out.i.pp.i -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 50000M. Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 1.4-svn (OpenJDK 64-Bit Server VM 1.7.0_65) started (CPAchecker.run, INFO) line 5872: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 5877: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 5882: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 5890: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) line 5990: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 5995: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 6000: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 6008: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) line 6518: Dead code detected: [((int)size) == 1] (CFACreationUtils.addEdgeToCFA, INFO) line 6518: Dead code detected: [!(((int)size) == 1)] (CFACreationUtils.addEdgeToCFA, INFO) line 6523: Dead code detected: [!(((int)size) == 2)] (CFACreationUtils.addEdgeToCFA, INFO) line 6528: Dead code detected: [!(((int)size) == 4)] (CFACreationUtils.addEdgeToCFA, INFO) line 6533: Dead code detected: [!(((int)size) == 8)] (CFACreationUtils.addEdgeToCFA, INFO) line 6538: Dead code detected: [!(((int)size) == 10)] (CFACreationUtils.addEdgeToCFA, INFO) line 6543: Dead code detected: [!(((int)size) == 16)] (CFACreationUtils.addEdgeToCFA, INFO) line 6520: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 6525: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 6530: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 6535: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 6540: Dead code detected: Goto: case_10 (CFACreationUtils.addEdgeToCFA, INFO) line 6545: Dead code detected: Goto: case_16 (CFACreationUtils.addEdgeToCFA, INFO) line 6548: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_16 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_10 is not reachable. (CFAFunctionBuilder.leave, INFO) line 6889: Dead code detected: [((int)size) == 1] (CFACreationUtils.addEdgeToCFA, INFO) line 6889: Dead code detected: [!(((int)size) == 1)] (CFACreationUtils.addEdgeToCFA, INFO) line 6894: Dead code detected: [!(((int)size) == 2)] (CFACreationUtils.addEdgeToCFA, INFO) line 6899: Dead code detected: [!(((int)size) == 4)] (CFACreationUtils.addEdgeToCFA, INFO) line 6904: Dead code detected: [!(((int)size) == 8)] (CFACreationUtils.addEdgeToCFA, INFO) line 6909: Dead code detected: [!(((int)size) == 10)] (CFACreationUtils.addEdgeToCFA, INFO) line 6914: Dead code detected: [!(((int)size) == 16)] (CFACreationUtils.addEdgeToCFA, INFO) line 6891: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 6896: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 6901: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 6906: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 6911: Dead code detected: Goto: case_10 (CFACreationUtils.addEdgeToCFA, INFO) line 6916: Dead code detected: Goto: case_16 (CFACreationUtils.addEdgeToCFA, INFO) line 6919: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_16 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_10 is not reachable. (CFAFunctionBuilder.leave, INFO) line 7902: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 7907: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 7912: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 7920: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) line 9474: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 9484: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 9489: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 9492: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) line 9547: Dead code detected: Goto: case_1___0 (CFACreationUtils.addEdgeToCFA, INFO) line 9557: Dead code detected: Goto: case_4___0 (CFACreationUtils.addEdgeToCFA, INFO) line 9562: Dead code detected: Goto: case_8___0 (CFACreationUtils.addEdgeToCFA, INFO) line 9565: Dead code detected: Goto: switch_default___0 (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) line 9675: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 9680: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 9690: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 9693: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) line 10492: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 10497: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 10507: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 10510: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) line 11878: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 11888: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 11893: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 11896: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) line 12195: Dead code detected: Goto: case_1___0 (CFACreationUtils.addEdgeToCFA, INFO) line 12205: Dead code detected: Goto: case_4___0 (CFACreationUtils.addEdgeToCFA, INFO) line 12210: Dead code detected: Goto: case_8___0 (CFACreationUtils.addEdgeToCFA, INFO) line 12213: Dead code detected: Goto: switch_default___0 (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1___0 is not reachable. (CFAFunctionBuilder.leave, INFO) line 13011: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 13016: Dead code detected: Goto: case_2 (CFACreationUtils.addEdgeToCFA, INFO) line 13026: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 13029: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) line 13218: Dead code detected: Goto: case_1___0 (CFACreationUtils.addEdgeToCFA, INFO) line 13223: Dead code detected: Goto: case_2___0 (CFACreationUtils.addEdgeToCFA, INFO) line 13233: Dead code detected: Goto: case_8___0 (CFACreationUtils.addEdgeToCFA, INFO) line 13236: Dead code detected: Goto: switch_default___0 (CFACreationUtils.addEdgeToCFA, INFO) line 13431: Dead code detected: Goto: case_1___1 (CFACreationUtils.addEdgeToCFA, INFO) line 13441: Dead code detected: Goto: case_4___1 (CFACreationUtils.addEdgeToCFA, INFO) line 13446: Dead code detected: Goto: case_8___1 (CFACreationUtils.addEdgeToCFA, INFO) line 13449: Dead code detected: Goto: switch_default___1 (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_2 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1___1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8___1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_2___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4___1 is not reachable. (CFAFunctionBuilder.leave, INFO) line 13854: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 13864: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 13869: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 13872: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) line 14058: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 14068: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 14073: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 14076: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) line 14321: Dead code detected: Goto: case_1___0 (CFACreationUtils.addEdgeToCFA, INFO) line 14331: Dead code detected: Goto: case_4___0 (CFACreationUtils.addEdgeToCFA, INFO) line 14336: Dead code detected: Goto: case_8___0 (CFACreationUtils.addEdgeToCFA, INFO) line 14339: Dead code detected: Goto: switch_default___0 (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) line 14551: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 14561: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 14566: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 14569: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) line 14669: Dead code detected: Goto: case_1___0 (CFACreationUtils.addEdgeToCFA, INFO) line 14679: Dead code detected: Goto: case_4___0 (CFACreationUtils.addEdgeToCFA, INFO) line 14684: Dead code detected: Goto: case_8___0 (CFACreationUtils.addEdgeToCFA, INFO) line 14687: Dead code detected: Goto: switch_default___0 (CFACreationUtils.addEdgeToCFA, INFO) line 14825: Dead code detected: Goto: case_1___1 (CFACreationUtils.addEdgeToCFA, INFO) line 14835: Dead code detected: Goto: case_4___1 (CFACreationUtils.addEdgeToCFA, INFO) line 14840: Dead code detected: Goto: case_8___1 (CFACreationUtils.addEdgeToCFA, INFO) line 14843: Dead code detected: Goto: switch_default___1 (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1___1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_1___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8___1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8___0 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4___1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4___0 is not reachable. (CFAFunctionBuilder.leave, INFO) line 15101: Dead code detected: Goto: case_1 (CFACreationUtils.addEdgeToCFA, INFO) line 15111: Dead code detected: Goto: case_4 (CFACreationUtils.addEdgeToCFA, INFO) line 15116: Dead code detected: Goto: case_8 (CFACreationUtils.addEdgeToCFA, INFO) line 15119: Dead code detected: Goto: switch_default (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label case_1 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label switch_default is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_4 is not reachable. (CFAFunctionBuilder.leave, INFO) Dead code detected: Label case_8 is not reachable. (CFAFunctionBuilder.leave, INFO) line 15283: Dead code detected: Goto: while_break (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label while_break is not reachable. (CFAFunctionBuilder.leave, INFO) line 15368: Dead code detected: Goto: while_break (CFACreationUtils.addEdgeToCFA, INFO) Dead code detected: Label while_break is not reachable. (CFAFunctionBuilder.leave, INFO) Inline assembler ignored, analysis is probably unsound! (CFABuilder.createCFA, WARNING) lines 17365-17366: Function pointer *(sock->ops->getname) with type int (*)(struct socket *, struct sockaddr *, int *, int) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) lines 16694-16695: Function pointer *(sock->ops->recvmsg) with type int (*)(struct kiocb *, struct socket *, struct msghdr *, size_t , int) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 16070: Function pointer *(sock->ops->sendmsg) with type int (*)(struct kiocb *, struct socket *, struct msghdr *, size_t ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) Handling of pointer aliasing is disabled, analysis is unsound if aliased pointers exist. (PredicateCPA:PathFormulaManagerImpl., WARNING) Using predicate analysis with SMTInterpol 2.1-174-ga199d47-comp and JFactory 1.21. (PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (PredicateCPA:PredicateCPARefiner., INFO) The following configuration options were specified but are not used: cpa.predicate.memoryAllocationsAlwaysSucceed cpa.predicate.maxPreFilledAllocationSize (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Program contains array, or pointer (multiple level of indirection), or field (enable handleFieldAccess and handleFieldAliasing) access; analysis is imprecise in case of aliasing. (PredicateCPA:CtoFormulaConverter.makeVariableUnsafe, WARNING) Assuming external function ldv_initialize to be a constant function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function misc_register to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function mutex_lock_nested to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function might_fault to be a constant function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function __builtin_object_size to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Cannot get declaration of function __builtin_object_size, ignoring calls to it. (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function _copy_from_user to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function warn_slowpath_fmt to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function eventfd_fget to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function eventfd_ctx_fileget to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function _copy_to_user to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function remove_wait_queue to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function eventfd_ctx_put to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function fput to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 7516: Ignoring function call through function pointer *(file->f_op->poll): tmp___7 = (*(file->f_op->poll))(file, &(poll->table)); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function debug_lockdep_rcu_enabled to be a constant function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function lock_is_held to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function lockdep_rcu_dereference to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function mutex_unlock to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function _raw_spin_lock_irq to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function _raw_spin_unlock_irq to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function prepare_to_wait to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function finish_wait to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function schedule to be a constant function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function warn_slowpath_null to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function kthread_stop to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function mmput to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function __mutex_init to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function __raw_spin_lock_init to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function __init_waitqueue_head to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function _raw_spin_lock_irqsave to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function __list_add to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function wake_up_process to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function _raw_spin_unlock_irqrestore to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function synchronize_sched to be a constant function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function get_task_mm to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function kthread_create_on_node to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function sockfd_lookup to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) lines 17365-17366: Ignoring function call through function pointer *(sock->ops->getname): r = (*(sock->ops->getname))(sock, (struct sockaddr *)(&(uaddr.sa)), &uaddr_len, 0); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function fget to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function tun_get_socket to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function macvtap_get_socket to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function ldv_check_return_value to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function misc_deregister to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) PredicateCPA statistics ----------------------- Number of abstractions: 80274 (2% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 80274 (100%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Times precision was empty: 77559 (97%) Times precision was {false}: 0 (0%) Times result was cached: 1677 (2%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 1038 (1%) Times result was 'false': 968 (1%) Number of strengthen sat checks: 11 Times result was 'false': 10 (91%) Number of coverage checks: 90756 BDD entailment checks: 52726 Number of SMT sat checks: 11 trivial: 0 cached: 2 Max ABE block size: 350 Number of predicates discovered: 4 Number of abstraction locations: 0 Max number of predicates per location: 0 Avg number of predicates per location: 0 Total predicates per abstraction: 4152 Max number of predicates per abstraction: 4 Avg number of predicates per abstraction: 4.00 Number of irrelevant predicates: 0 (0%) Number of preds handled by boolean abs: 4152 (100%) Total number of models for allsat: 624 Max number of models for allsat: 1 Avg number of models for allsat: 0.60 Number of path formula cache hits: 3709512 (93%) Time for post operator: 14.200s Time for path formula creation: 7.425s Actual computation: 2.981s Time for strengthen operator: 3.969s Time for satisfiability checks: 0.077s Time for prec operator: 23.027s Time for abstraction: 19.534s (Max: 3.545s, Count: 80274) Boolean abstraction: 2.231s Solving time: 2.008s (Max: 0.124s) Model enumeration time: 0.058s Time for BDD construction: 0.026s (Max: 0.001s) Time for merge operator: 0.621s Time for coverage check: 0.322s Time for BDD entailment checks: 0.188s Total time for SMT solver (w/o itp): 2.143s Number of BDD nodes: 208 Size of BDD node table: 10007 Size of BDD node cleanup queue: 0 (count: 134450, min: 0, max: 0, avg: 0,00) Time for BDD node cleanup: 0.115s Time for BDD garbage collection: 0.000s (in 0 runs) PrecisionBootstrap statistics ----------------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 22.999s Time for transition matches: 9.019s Time for transition assertions: 0.000s Time for transition actions: 0.000s Automaton transfers with branching: 0 Automaton transfer successors: 5644034 (count: 5644034, min: 1, max: 1, avg: 1,00) [1 x 5644034] CPA algorithm statistics ------------------------ Number of iterations: 3830975 Max size of waitlist: 26180 Average size of waitlist: 12639 Number of computed successors: 3902718 Max successors for one state: 2 Number of times merged: 19015 Number of times stopped: 71741 Number of times breaked: 1 Total time for CPA algorithm: 131.232s (Max: 120.871s) Time for choose from waitlist: 3.462s Time for precision adjustment: 30.844s Time for transfer relation: 62.099s Time for merge operator: 0.988s Time for stop operator: 4.471s Time for adding to reached set: 9.813s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 2 (count: 1, min: 2, max: 2, avg: 2,00) Time for refinement: 7.788s Counterexample analysis: 0.029s (Max: 0.029s, Calls: 1) Refinement sat check: 0.025s Interpolant computation: 0.000s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 0.029s Extracting precise counterexample: 0.000s Predicate creation: 0.000s Precision update: 0.000s ARG update: 0.000s Length of refined path (in blocks): 0 (count: 0, min: 0, max: 0, avg: 0,00) Number of affected states: 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp 'true': 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp non-trivial itp: 0 (count: 0, min: 0, max: 0, avg: 0,00) Length (states) of path with itp 'false': 0 (count: 0, min: 0, max: 0, avg: 0,00) Different non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Equal non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Different precisions along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Equal precisions along paths: 0 (count: 0, min: 0, max: 0, avg: 0,00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 3669322 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 3669322.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 139.038s Time for refinements: 7.803s Average time for refinement: 7.803s Max time for refinement: 7.803s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 2997 Number of functions: 129 Number of loops: 25 Size of reached set: 161657 Number of reached locations: 1435 (48%) Avg states per location: 112 Max states per location: 5279 (at node N135) Number of reached functions: 73 (57%) Number of partitions: 161657 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 0 Time for analysis setup: 3.838s Time for loading CPAs: 0.653s Time for loading parser: 0.332s Time for CFA construction: 2.762s Time for parsing file(s): 0.799s Time for AST to CFA: 1.248s Time for CFA sanity check: 0.000s Time for post-processing: 0.504s Time for var class.: 0.000s Time for Analysis: 139.138s CPU time for analysis: 278.120s Total time for CPAchecker: 142.978s Total CPU time for CPAchecker: 286.080s Time for Garbage Collector: 9.499s (in 15 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 11688MB ( 11146 MiB) max; 4249MB ( 4052 MiB) avg; 12388MB ( 11814 MiB) peak Used non-heap memory: 25MB ( 24 MiB) max; 23MB ( 22 MiB) avg; 27MB ( 26 MiB) peak Used in PS Old Gen pool: 3186MB ( 3038 MiB) max; 1396MB ( 1332 MiB) avg; 3186MB ( 3038 MiB) peak Allocated heap memory: 13624MB ( 12993 MiB) max; 8251MB ( 7868 MiB) avg Allocated non-heap memory: 50MB ( 48 MiB) max; 37MB ( 35 MiB) avg Total process virtual memory: 57054MB ( 54411 MiB) max; 57054MB ( 54411 MiB) avg Verification result: TRUE. No property violation found by chosen configuration. More details about the verification run can be found in the directory "./output".