scripts/cpa.sh -heap 3000M -noout -disable-java-assertions -predicateAnalysis-PredAbsRefiner-ABEl -setprop cpa.predicate.handlePointerAliasing=false -64 -timelimit 900s -stats -spec test/programs/benchmarks/ldv-linux-3.4-simple/ALL.prp test/programs/benchmarks/ldv-linux-3.4-simple/32_1_cilled_true-unreach-call_ok_nondet_linux-3.4-32_1-drivers--media--video--em28xx--em28xx-dvb.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 3000M. 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 14608: Function pointer *__a with type struct dvb_frontend * (*)(struct dvb_frontend *, struct xc2028_config *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 20026: Function pointer *__a___25 with type struct dvb_frontend * (*)(const struct drxk_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 20123: Function pointer *__a___26 with type struct dvb_frontend * (*)(struct dvb_frontend *, u8 , struct i2c_adapter *, struct tda18271_config *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 19786: Function pointer *__a___23 with type struct dvb_frontend * (*)(const struct drxk_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 19904: Function pointer *__a___24 with type struct dvb_frontend * (*)(struct dvb_frontend *, struct i2c_adapter *, u8 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 19619: Function pointer *__a___21 with type struct dvb_frontend * (*)(const struct tda10071_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 19714: Function pointer *__a___22 with type struct dvb_frontend * (*)(struct dvb_frontend *, struct i2c_adapter *, const struct a8293_config *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 19259: Function pointer *__a___19 with type struct dvb_frontend * (*)(const struct drxk_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 19488: Function pointer *__a___20 with type struct dvb_frontend * (*)(struct dvb_frontend *, struct i2c_adapter *, u8 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18883: Function pointer *__a___17 with type struct dvb_frontend * (*)(const struct drxk_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 19124: Function pointer *__a___18 with type struct dvb_frontend * (*)(struct dvb_frontend *, struct i2c_adapter *, const struct xc5000_config *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18689: Function pointer *__a___15 with type struct dvb_frontend * (*)(const struct cxd2820r_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18786: Function pointer *__a___16 with type struct dvb_frontend * (*)(struct dvb_frontend *, u8 , struct i2c_adapter *, struct tda18271_config *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18511: Function pointer *__a___13 with type struct dvb_frontend * (*)(const struct lgdt3305_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18616: Function pointer *__a___14 with type struct dvb_frontend * (*)(struct dvb_frontend *, u8 , struct i2c_adapter *, struct tda18271_config *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18332: Function pointer *__a___11 with type struct dvb_frontend * (*)(const struct tda10023_config *, struct i2c_adapter *, u8 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18429: Function pointer *__a___12 with type struct dvb_frontend * (*)(struct dvb_frontend *, struct i2c_adapter *, u8 , unsigned int) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18236: Function pointer *__a___10 with type struct dvb_frontend * (*)(const struct drxd_config *, void *, struct i2c_adapter *, struct device *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18033: Function pointer *__a___8 with type struct dvb_frontend * (*)(const struct lgdt330x_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 18138: Function pointer *__a___9 with type struct dvb_frontend * (*)(struct dvb_frontend *, struct i2c_adapter *, u8 , unsigned int) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17939: Function pointer *__a___7 with type struct dvb_frontend * (*)(const struct s5h1409_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17762: Function pointer *__a___5 with type struct dvb_frontend * (*)(const struct zl10353_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17865: Function pointer *__a___6 with type struct dvb_frontend * (*)(struct dvb_frontend *, struct i2c_adapter *, struct qt1010_config *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17569: Function pointer *__a___3 with type struct dvb_frontend * (*)(const struct zl10353_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17664: Function pointer *__a___4 with type struct dvb_frontend * (*)(const struct mt352_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17471: Function pointer *__a___2 with type struct dvb_frontend * (*)(const struct zl10353_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17375: Function pointer *__a___1 with type struct dvb_frontend * (*)(const struct zl10353_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17281: Function pointer *__a___0 with type struct dvb_frontend * (*)(const struct lgdt330x_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 17178: Function pointer *__a with type struct dvb_frontend * (*)(const struct s921_config *, struct i2c_adapter *) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 8922: Function pointer *__cil_tmp11 with type int (*)(struct dvb_frontend *, const u8 *, int) 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 em28xx_register_extension to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function dvb_net_release to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 15821: Ignoring call via function pointer em28xx_unregister_dvb::__cil_tmp9 for which no suitable target was found in line: (*__cil_tmp9)(__cil_tmp12, __cil_tmp15); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 15821: Ignoring function call through function pointer *__cil_tmp9: (*__cil_tmp9)(__cil_tmp12, __cil_tmp15); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function dvb_dmx_swfilter to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 15845: Ignoring call via function pointer em28xx_unregister_dvb::__cil_tmp20 for which no suitable target was found in line: (*__cil_tmp20)(__cil_tmp23, __cil_tmp26); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 15845: Ignoring function call through function pointer *__cil_tmp20: (*__cil_tmp20)(__cil_tmp23, __cil_tmp26); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function dvb_dmxdev_release to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function dvb_dmx_release to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function dvb_unregister_frontend to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function dvb_frontend_detach to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function dvb_unregister_adapter to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function em28xx_set_mode to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function i2c_master_send to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function __symbol_get to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function __request_module to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 20026: Ignoring call via function pointer em28xx_dvb_init::__a___25 for which no suitable target was found in line: tmp___149 = (*__a___25)(__cil_tmp805, __cil_tmp808); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 20026: Ignoring function call through function pointer *__a___25: tmp___149 = (*__a___25)(__cil_tmp805, __cil_tmp808); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function __symbol_put to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 20123: Ignoring call via function pointer em28xx_dvb_init::__a___26 for which no suitable target was found in line: tmp___154 = (*__a___26)(__cil_tmp825, __cil_tmp826, __cil_tmp829, &em28xx_cxd2820r_tda18271_config); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 20123: Ignoring function call through function pointer *__a___26: tmp___154 = (*__a___26)(__cil_tmp825, __cil_tmp826, __cil_tmp829, &em28xx_cxd2820r_tda18271_config); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 19786: Ignoring call via function pointer em28xx_dvb_init::__a___23 for which no suitable target was found in line: tmp___139 = (*__a___23)(__cil_tmp757, __cil_tmp760); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 19786: Ignoring function call through function pointer *__a___23: tmp___139 = (*__a___23)(__cil_tmp757, __cil_tmp760); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 19904: Ignoring call via function pointer em28xx_dvb_init::__a___24 for which no suitable target was found in line: tmp___144 = (*__a___24)(__cil_tmp786, __cil_tmp789, __cil_tmp790); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 19904: Ignoring function call through function pointer *__a___24: tmp___144 = (*__a___24)(__cil_tmp786, __cil_tmp789, __cil_tmp790); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 19619: Ignoring call via function pointer em28xx_dvb_init::__a___21 for which no suitable target was found in line: tmp___129 = (*__a___21)(&em28xx_tda10071_config, __cil_tmp732); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 19619: Ignoring function call through function pointer *__a___21: tmp___129 = (*__a___21)(&em28xx_tda10071_config, __cil_tmp732); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 19714: Ignoring call via function pointer em28xx_dvb_init::__a___22 for which no suitable target was found in line: tmp___134 = (*__a___22)(__cil_tmp749, __cil_tmp752, &em28xx_a8293_config); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 19714: Ignoring function call through function pointer *__a___22: tmp___134 = (*__a___22)(__cil_tmp749, __cil_tmp752, &em28xx_a8293_config); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function em28xx_gpio_set to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function em28xx_write_reg to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function msleep to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 19259: Ignoring call via function pointer em28xx_dvb_init::__a___19 for which no suitable target was found in line: tmp___119 = (*__a___19)(__cil_tmp628, __cil_tmp631); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 19259: Ignoring function call through function pointer *__a___19: tmp___119 = (*__a___19)(__cil_tmp628, __cil_tmp631); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 19433: Ignoring call via function pointer em28xx_dvb_init::__cil_tmp688 for which no suitable target was found in line: (*__cil_tmp688)(__cil_tmp693, 1); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 19433: Ignoring function call through function pointer *__cil_tmp688: (*__cil_tmp688)(__cil_tmp693, 1); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function down to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 10057: Ignoring call via function pointer drxk_gate_ctrl::__cil_tmp13 for which no suitable target was found in line: status = (*__cil_tmp13)(fe, 1); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) Recursion detected, aborting. To ignore recursion, add -skipRecursion to the command line. (CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, INFO) Error: line 10057: Unsupported C feature (recursion): status = drxk_gate_ctrl(fe, 1); (line was originally pointer call(drxk_gate_ctrl) status = (*__cil_tmp13)(fe, 1);) (CallstackTransferRelation.getAbstractSuccessorsForEdge, SEVERE) PredicateCPA statistics ----------------------- Number of abstractions: 18 (1% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 18 (100%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Times precision was empty: 7 (39%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 11 (61%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 2 Times result was 'false': 1 (50%) Number of coverage checks: 484 BDD entailment checks: 8 Number of SMT sat checks: 2 trivial: 0 cached: 0 Max ABE block size: 87 Number of predicates discovered: 2 Number of abstraction locations: 0 Max number of predicates per location: 0 Avg number of predicates per location: 0 Total predicates per abstraction: 22 Max number of predicates per abstraction: 2 Avg number of predicates per abstraction: 2.00 Number of irrelevant predicates: 0 (0%) Number of preds handled by boolean abs: 22 (100%) Total number of models for allsat: 11 Max number of models for allsat: 1 Avg number of models for allsat: 1.00 Number of path formula cache hits: 893 (44%) Time for post operator: 0.657s Time for path formula creation: 0.639s Actual computation: 0.607s Time for strengthen operator: 0.139s Time for satisfiability checks: 0.115s Time for prec operator: 2.113s Time for abstraction: 2.112s (Max: 0.523s, Count: 18) Boolean abstraction: 1.070s Solving time: 0.909s (Max: 0.369s) Model enumeration time: 0.143s Time for BDD construction: 0.001s (Max: 0.001s) Time for merge operator: 0.377s Time for coverage check: 0.002s Time for BDD entailment checks: 0.001s Total time for SMT solver (w/o itp): 1.167s Number of BDD nodes: 204 Size of BDD node table: 10007 Size of BDD node cleanup queue: 0 (count: 69, min: 0, max: 0, avg: 0,00) Time for BDD node cleanup: 0.000s 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: 0.113s Automaton transfers with branching: 0 Automaton transfer successors: 10169 (count: 10169, min: 1, max: 1, avg: 1,00) [1 x 10169] CPA algorithm statistics ------------------------ Number of iterations: 1615 Max size of waitlist: 46 Average size of waitlist: 18 Number of computed successors: 1915 Max successors for one state: 2 Number of times merged: 238 Number of times stopped: 246 Number of times breaked: 1 Total time for CPA algorithm: 3.882s (Max: 2.775s) Time for choose from waitlist: 0.015s Time for precision adjustment: 2.187s Time for transfer relation: 1.102s Time for merge operator: 0.406s Time for stop operator: 0.048s Time for adding to reached set: 0.043s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 2 (count: 1, min: 2, max: 2, avg: 2,00) Time for refinement: 0.094s Counterexample analysis: 0.047s (Max: 0.047s, Calls: 1) Refinement sat check: 0.044s Interpolant computation: 0.000s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 0.047s 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.: 674 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 674.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 3.984s Time for refinements: 0.102s Average time for refinement: 0.102s Max time for refinement: 0.102s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 1551 Number of functions: 36 Number of loops: 5 Size of reached set: 997 Number of reached locations: 545 (35%) Avg states per location: 1 Max states per location: 6 (at node N79) Number of reached functions: 16 (44%) Number of partitions: 997 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 0 Size of final wait list 45 Time for analysis setup: 7.079s Time for loading CPAs: 0.766s Time for loading parser: 0.739s Time for CFA construction: 5.510s Time for parsing file(s): 2.349s Time for AST to CFA: 1.719s Time for CFA sanity check: 0.000s Time for post-processing: 1.143s Time for var class.: 0.000s Time for Analysis: 3.985s CPU time for analysis: 3.990s Total time for CPAchecker: 11.064s Total CPU time for CPAchecker: 11.070s Time for Garbage Collector: 0.191s (in 2 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 153MB ( 146 MiB) max; 79MB ( 76 MiB) avg; 165MB ( 157 MiB) peak Used non-heap memory: 23MB ( 22 MiB) max; 17MB ( 16 MiB) avg; 24MB ( 22 MiB) peak Used in PS Old Gen pool: 11MB ( 10 MiB) max; 3MB ( 3 MiB) avg; 11MB ( 10 MiB) peak Allocated heap memory: 637MB ( 607 MiB) max; 542MB ( 517 MiB) avg Allocated non-heap memory: 25MB ( 24 MiB) max; 24MB ( 23 MiB) avg Total process virtual memory: 4900MB ( 4673 MiB) max; 4899MB ( 4672 MiB) avg Verification result: UNKNOWN, incomplete analysis. More details about the verification run can be found in the directory "./output".