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-3.4-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--zoran--zr36016.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.c -------------------------------------------------------------------------------- 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 777: Function pointer *__cil_tmp21 with type __u32 (*)(struct videocodec *, __u16 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 1173: Function pointer *__cil_tmp29 with type void (*)(struct videocodec *, __u16 , __u32 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 1201: Function pointer *__cil_tmp45 with type __u32 (*)(struct videocodec *, __u16 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 988: Function pointer *__cil_tmp29 with type void (*)(struct videocodec *, __u16 , __u32 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 1445: Function pointer *__cil_tmp29 with type void (*)(struct videocodec *, __u16 , __u32 ) is called, but no possible target functions were found. (CFunctionPointerResolver.replaceFunctionPointerCall, WARNING) line 1479: Function pointer *__cil_tmp45 with type void (*)(struct videocodec *, __u16 , __u32 ) 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) Assuming external function ldv_initialize to be a constant function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Assuming external function videocodec_register to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, 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) line 988: Ignoring call via function pointer zr36016_write::__cil_tmp29 for which no suitable target was found in line: (*__cil_tmp29)(__cil_tmp32, reg, __cil_tmp33); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 988: Ignoring function call through function pointer *__cil_tmp29: (*__cil_tmp29)(__cil_tmp32, reg, __cil_tmp33); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 1445: Ignoring call via function pointer zr36016_writei::__cil_tmp29 for which no suitable target was found in line: (*__cil_tmp29)(__cil_tmp32, __cil_tmp33, __cil_tmp36); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 1445: Ignoring function call through function pointer *__cil_tmp29: (*__cil_tmp29)(__cil_tmp32, __cil_tmp33, __cil_tmp36); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 1479: Ignoring call via function pointer zr36016_writei::__cil_tmp45 for which no suitable target was found in line: (*__cil_tmp45)(__cil_tmp48, __cil_tmp49, __cil_tmp52); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 1479: Ignoring function call through function pointer *__cil_tmp45: (*__cil_tmp45)(__cil_tmp48, __cil_tmp49, __cil_tmp52); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function snprintf to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) line 1173: Ignoring call via function pointer zr36016_readi::__cil_tmp29 for which no suitable target was found in line: (*__cil_tmp29)(__cil_tmp32, __cil_tmp33, __cil_tmp36); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 1173: Ignoring function call through function pointer *__cil_tmp29: (*__cil_tmp29)(__cil_tmp32, __cil_tmp33, __cil_tmp36); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 1201: Ignoring call via function pointer zr36016_readi::__cil_tmp45 for which no suitable target was found in line: tmp = (*__cil_tmp45)(__cil_tmp48, __cil_tmp49); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 1201: Ignoring function call through function pointer *__cil_tmp45: tmp = (*__cil_tmp45)(__cil_tmp48, __cil_tmp49); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) line 777: Ignoring call via function pointer zr36016_read::__cil_tmp21 for which no suitable target was found in line: tmp = (*__cil_tmp21)(__cil_tmp24, reg); (FunctionPointerCPA:FunctionPointerTransferRelation.getAbstractSuccessorsForEdge, WARNING) line 777: Ignoring function call through function pointer *__cil_tmp21: tmp = (*__cil_tmp21)(__cil_tmp24, reg); (PredicateCPA:ExpressionToFormulaVisitor.visit, WARNING) Assuming external function videocodec_unregister to be a pure function. (PredicateCPA:ExpressionToFormulaVisitor.visit, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) PredicateCPA statistics ----------------------- Number of abstractions: 10 (0% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 10 (100%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Times precision was empty: 5 (50%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 5 (50%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 4 Times result was 'false': 3 (75%) Number of coverage checks: 894 BDD entailment checks: 6 Number of SMT sat checks: 4 trivial: 0 cached: 1 Max ABE block size: 301 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: 10 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: 10 (100%) Total number of models for allsat: 5 Max number of models for allsat: 1 Avg number of models for allsat: 1.00 Number of path formula cache hits: 2504 (52%) Time for post operator: 0.513s Time for path formula creation: 0.463s Actual computation: 0.434s Time for strengthen operator: 0.046s Time for satisfiability checks: 0.033s Time for prec operator: 2.034s Time for abstraction: 2.029s (Max: 0.905s, Count: 10) Boolean abstraction: 1.153s Solving time: 1.060s (Max: 0.525s) Model enumeration time: 0.087s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.247s Time for coverage check: 0.002s Time for BDD entailment checks: 0.002s Total time for SMT solver (w/o itp): 1.179s Number of BDD nodes: 203 Size of BDD node table: 10007 Size of BDD node cleanup queue: 0 (count: 38, 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: 0.122s Automaton transfers with branching: 0 Automaton transfer successors: 19069 (count: 19069, min: 1, max: 1, avg: 1,00) [1 x 19069] CPA algorithm statistics ------------------------ Number of iterations: 4105 Max size of waitlist: 15 Average size of waitlist: 8 Number of computed successors: 4556 Max successors for one state: 2 Number of times merged: 444 Number of times stopped: 450 Number of times breaked: 1 Total time for CPA algorithm: 3.542s (Max: 2.121s) Time for choose from waitlist: 0.027s Time for precision adjustment: 2.121s Time for transfer relation: 0.897s Time for merge operator: 0.291s Time for stop operator: 0.039s Time for adding to reached set: 0.073s Predicate-Abstraction Refiner statistics ---------------------------------------- Avg. length of target path (in blocks): 2 (count: 1, min: 2, max: 2, avg: 2,00) Time for refinement: 0.049s Counterexample analysis: 0.010s (Max: 0.010s, Calls: 1) Refinement sat check: 0.008s Interpolant computation: 0.000s Error path post-processing: 0.000s Path-formulas extraction: 0.000s Building the counterexample trace: 0.010s 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.: 2052 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2052.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 3.601s Time for refinements: 0.058s Average time for refinement: 0.058s Max time for refinement: 0.058s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 569 Number of functions: 28 Number of loops: 2 Size of reached set: 2056 Number of reached locations: 496 (87%) Avg states per location: 4 Max states per location: 35 (at node N390) Number of reached functions: 19 (68%) Number of partitions: 2056 Avg size of partitions: 1 Max size of partitions: 1 Number of target states: 0 Time for analysis setup: 2.481s Time for loading CPAs: 0.683s Time for loading parser: 0.349s Time for CFA construction: 1.328s Time for parsing file(s): 0.403s Time for AST to CFA: 0.537s Time for CFA sanity check: 0.000s Time for post-processing: 0.283s Time for var class.: 0.000s Time for Analysis: 3.605s CPU time for analysis: 7.800s Total time for CPAchecker: 6.088s Total CPU time for CPAchecker: 11.330s Time for Garbage Collector: 0.000s (in 0 runs) Garbage Collector(s) used: PS MarkSweep, PS Scavenge Used heap memory: 487MB ( 464 MiB) max; 249MB ( 238 MiB) avg; 497MB ( 474 MiB) peak Used non-heap memory: 23MB ( 22 MiB) max; 18MB ( 17 MiB) avg; 24MB ( 22 MiB) peak Used in PS Old Gen pool: 0MB ( 0 MiB) max; 0MB ( 0 MiB) avg; 0MB ( 0 MiB) peak Allocated heap memory: 2024MB ( 1930 MiB) max; 2024MB ( 1930 MiB) avg Allocated non-heap memory: 25MB ( 24 MiB) max; 24MB ( 23 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".