/storage/repos/cpachecker/scripts/cpa.sh -witnessValidation -setprop witness.checkProgramHash=false -heap 5000m -benchmark -setprop cpa.predicate.memoryAllocationsAlwaysSucceed=true -setprop cpa.smg.memoryAllocationFunctions=malloc,__kmalloc,kmalloc,kzalloc,kzalloc_node,ldv_zalloc,ldv_malloc -setprop cpa.smg.arrayAllocationFunctions=calloc,kmalloc_array,kcalloc -setprop cpa.smg.zeroingMemoryAllocation=calloc,kzalloc,kcalloc,kzalloc_node,ldv_zalloc -setprop cpa.smg.deallocationFunctions=free,kfree,kfree_const -witness /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/results-verified/uautomizer-local.2021-09-22_14-18-52.files/SV-COMP21_unreach-call/singleton.yml/witness.graphml -timelimit 90s -stats -spec ../sv-benchmarks/c/properties/unreach-call.prp -32 ../sv-benchmarks/c/pthread/singleton.i -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 5000m. Running CPAchecker with default stack size (1024k). Specify a larger value with -stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 90s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 2.0.1-svn / witnessValidation (OpenJDK 64-Bit Server VM 11.0.12) started (CPAchecker.run, INFO) Parsing CFA from file(s) "../sv-benchmarks/c/pthread/singleton.i" (CPAchecker.parse, INFO) program contains concurrency, cloning functions... (CFACreator.postProcessingOnMutableCFAs, INFO) Using Restarting Algorithm (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: termination.violation.witness cpa.smg.arrayAllocationFunctions cpa.smg.deallocationFunctions cpa.smg.memoryAllocationFunctions cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.automaton.treatErrorsAsTargets cpa.composite.aggregateBasicBlocks WitnessAutomaton.cpa.automaton.treatErrorsAsTargets counterexample.export.exportAsSource counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness cpa.smg.zeroingMemoryAllocation (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Loading analysis 1 from file /storage/repos/cpachecker/config/components/violationWitnessValidation.properties ... (RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/cpachecker/config/components/violationWitnessValidation.properties': 'limits.time.cpu' has two values '90s' and ''. Using ''. (NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/cpachecker/config/components/violationWitnessValidation.properties': 'specification' has two values '../sv-benchmarks/c/properties/unreach-call.prp,/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/results-verified/uautomizer-local.2021-09-22_14-18-52.files/SV-COMP21_unreach-call/singleton.yml/witness.graphml' and ''. Using ''. (NestingAlgorithm.checkConfigs, INFO) Using predicate analysis with MathSAT5 version 5.6.6 (218275631c24) (Apr 23 2021 08:35:29, gmp 6.1.2, gcc 7.5.0, 64-bit, reentrant) and JFactory 1.21. (Analysis /storage/repos/cpachecker/config/components/violationWitnessValidation.properties:PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/cpachecker/config/components/violationWitnessValidation.properties:PredicateCPA:PredicateCPARefiner., INFO) Starting analysis 1 ... (RestartAlgorithm.run, INFO) Warning: Analysis 1 not completed. (line 1162: Unsupported feature (pthread_create): pthread_create(&t, 0, &thread0, 0); (line was originally pthread_create(&t, 0, thread0, 0);)) (CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Ignoring restart configuration '/storage/repos/cpachecker/config/components/violationWitnessValidation--recursion.properties' because condition if-recursive did not match. (RestartAlgorithm.run, INFO) Statistics for algorithm 2 of 3 =============================== Total time for algorithm 2: 0.553s PredicateCPA statistics ----------------------- Number of abstractions: 0 (0% of all post computations) Number of strengthen sat checks: 0 Number of coverage checks: 0 BDD entailment checks: 0 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 0 Avg ABE block size: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of predicates discovered: 0 Time for post operator: 0.048s Time for path formula creation: 0.044s Time for strengthen operator: 0.008s Time for prec operator: 0.003s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.000s Number of path formula cache hits: 0 (0%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.040s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 202 Size of BDD node table: 262147 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 1, min: 0, max: 0) Time for BDD node cleanup: 0.000s Time for BDD garbage collection: 0.000s (in 0 runs) KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.02 (sum: 8, count: 514, min: 0, max: 1) Number of global variables per state: 0.02 (sum: 8, count: 514, min: 0, max: 1) Number of assumptions: 0 Number of deterministic assumptions: 0 Level of Determinism: 100% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 513 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.003s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.005s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 513, count: 513, min: 1, max: 1) [1 x 513] Number of states with assumption transitions: 0 AutomatonAnalysis (WitnessAutomaton) statistics ----------------------------------------------- Number of states: 32 Total time for successor computation: 0.024s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 513, count: 513, min: 1, max: 1) [1 x 513] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 514 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 514, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 514, min: 0, max: 0) AutomatonVariableWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 513 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 0.195s (Max: 0.195s) Time for choose from waitlist: 0.009s Time for precision adjustment: 0.015s Time for transfer relation: 0.133s Time for stop operator: 0.003s Time for adding to reached set: 0.027s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 0 Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.000s ARG update: 0.000s Length of refined path (in blocks): 0.00 (sum: 0, count: 0, min: 0, max: 0) 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) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 0 CPA algorithm statistics ------------------------ Number of iterations: 514 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 514, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 514, min: 0, max: 0) AutomatonVariableWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 513 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 0.195s (Max: 0.195s) Time for choose from waitlist: 0.009s Time for precision adjustment: 0.015s Time for transfer relation: 0.133s Time for stop operator: 0.003s Time for adding to reached set: 0.027s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 0 Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.000s ARG update: 0.000s Length of refined path (in blocks): 0.00 (sum: 0, count: 0, min: 0, max: 0) 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) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 0 RestartAlgorithm switches to the next configuration... (RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/cpachecker/config/components/violationWitnessValidation--concurrency.properties ... (RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/cpachecker/config/components/violationWitnessValidation--concurrency.properties': 'limits.time.cpu' has two values '90s' and ''. Using ''. (NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/cpachecker/config/components/violationWitnessValidation--concurrency.properties': 'specification' has two values '../sv-benchmarks/c/properties/unreach-call.prp,/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/results-verified/uautomizer-local.2021-09-22_14-18-52.files/SV-COMP21_unreach-call/singleton.yml/witness.graphml' and ''. Using ''. (NestingAlgorithm.checkConfigs, INFO) Starting analysis 3 ... (RestartAlgorithm.run, INFO) Error: Unsupported feature (BDD-analysis does not support arrays: v[0]) (BDDVectorCExpressionVisitor.visit, SEVERE) Restart Algorithm statistics ---------------------------- Number of algorithms provided: 3 Number of algorithms used: 3 Total time for algorithm 3: 1.028s BDDCPA statistics ----------------- Number of boolean vars: 4 (of 28) Number of intEqual vars: 0 (of 0) Number of intAdd vars: 0 (of 0) Number of all vars: 4 Number of intBool partitions: 28 Number of intEq partitions: 0 Number of intAdd partitions: 0 Number of all partitions: 139 Number of named predicates: 20096 Number of BDD nodes: 64506 Size of BDD node table: 262147 Size of BDD cache: 26227 Size of BDD node cleanup queue: 0.08 (sum: 7121, count: 87324, min: 0, max: 6070) Time for BDD node cleanup: 0.005s Time for BDD garbage collection: 0.000s (in 0 runs) AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.039s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 6059, count: 6059, min: 1, max: 1) [1 x 6059] Number of states with assumption transitions: 0 AutomatonAnalysis (WitnessAutomaton) statistics ----------------------------------------------- Number of states: 32 Total time for successor computation: 0.095s Automaton transfers with branching: 1 Automaton transfer successors: 1.00 (sum: 6802, count: 6801, min: 1, max: 2) [1 x 6800, 2] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 4143 Max size of waitlist: 339 Average size of waitlist: 197 CallstackSortedWaitlist: 6.87 (sum: 3609, count: 525, min: 0, max: 3609) AutomatonVariableWaitlist: 3618.00 (sum: 3618, count: 1, min: 3618, max: 3618) Number of computed successors: 6226 Max successors for one state: 4 Number of times merged: 0 Number of times stopped: 2078 Number of times breaked: 0 Total time for CPA algorithm: 0.914s (Max: 0.914s) Time for choose from waitlist: 0.006s Time for precision adjustment: 0.029s Time for transfer relation: 0.704s Time for merge operator: 0.065s Time for stop operator: 0.025s Time for adding to reached set: 0.039s CPA algorithm statistics ------------------------ Number of iterations: 4143 Max size of waitlist: 339 Average size of waitlist: 197 CallstackSortedWaitlist: 6.87 (sum: 3609, count: 525, min: 0, max: 3609) AutomatonVariableWaitlist: 3618.00 (sum: 3618, count: 1, min: 3618, max: 3618) Number of computed successors: 6226 Max successors for one state: 4 Number of times merged: 0 Number of times stopped: 2078 Number of times breaked: 0 Total time for CPA algorithm: 0.914s (Max: 0.914s) Time for choose from waitlist: 0.006s Time for precision adjustment: 0.029s Time for transfer relation: 0.704s Time for merge operator: 0.065s Time for stop operator: 0.025s Time for adding to reached set: 0.039s CPAchecker general statistics ----------------------------- Number of program locations: 956 Number of CFA edges (per node): 903 (count: 956, min: 0, max: 2, avg: 0.94) Number of relevant variables: 49 Number of functions: 73 Number of loops (and loop nodes): 0 (sum: 0, min: 0, max: 0, avg: 0.00) Size of reached set: 4149 Number of partitions: 4148 Avg size of partitions: 1 Max size of partitions: 2 (with key [{main=N89 (before line 1163) Function main called from node N86, stack depth 1 [2cc76912], stack [main] @@ 0, t=N291 (before line 1146) Function thread0__cloned_function__1 called from node N289, stack depth 1 [3763c93b], stack [thread0__cloned_function__1] @@ 1}]) Number of target states: 0 Size of final wait list: 7 Time for analysis setup: 1.390s Time for loading CPAs: 0.199s Time for loading parser: 0.208s Time for CFA construction: 0.952s Time for parsing file(s): 0.440s Time for AST to CFA: 0.321s Time for CFA sanity check: 0.001s Time for post-processing: 0.123s Time for function pointers resolving: 0.003s Function calls via function pointers: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer calls: 0 (count: 1, min: 0, max: 0, avg: 0.00) Function calls with function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Time for classifying variables: 0.060s Time for collecting variables: 0.028s Time for solving dependencies: 0.003s Time for building hierarchy: 0.000s Time for building classification: 0.029s Time for exporting data: 0.000s Time for Analysis: 1.630s CPU time for analysis: 3.190s Total time for CPAchecker: 3.021s Total CPU time for CPAchecker: 5.900s Time for statistics: 0.074s Time for Garbage Collector: 0.117s (in 8 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: UNKNOWN, incomplete analysis. More details about the verification run can be found in the directory "./output".