/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/read_write_lock-2.yml/witness.graphml -timelimit 90s -stats -spec ../sv-benchmarks/c/properties/unreach-call.prp -32 ../sv-benchmarks/c/pthread-atomic/read_write_lock-2.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-atomic/read_write_lock-2.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/read_write_lock-2.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 749: Unsupported feature (pthread_create): pthread_create(&t1, 0, &writer, 0); (line was originally pthread_create(&t1, 0, writer, 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: 0.395s PredicateCPA statistics ----------------------- Number of abstractions: 0 (0% of all post computations) Number of strengthen sat checks: 0 Number of coverage checks: 16 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: 0.037s Time for path formula creation: 0.035s Time for strengthen operator: 0.019s Time for prec operator: 0.002s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.000s Number of path formula cache hits: 3 (1%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.028s 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: 0.19 (sum: 60, count: 317, min: 0, max: 4) Number of global variables per state: 0.19 (sum: 60, count: 317, min: 0, max: 4) Number of assumptions: 0 Number of deterministic assumptions: 0 Level of Determinism: 100% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 319 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.001s 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: 0.004s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 315, count: 315, min: 1, max: 1) [1 x 315] Number of states with assumption transitions: 0 AutomatonAnalysis (WitnessAutomaton) statistics ----------------------------------------------- Number of states: 41 Total time for successor computation: 0.014s Automaton transfers with branching: 4 Automaton transfer successors: 1.01 (sum: 319, count: 315, min: 1, max: 2) [1 x 311, 2 x 4] Number of states with assumption transitions: 13 CPA algorithm statistics ------------------------ Number of iterations: 316 Max size of waitlist: 4 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 313, min: 0, max: 0) CallstackSortedWaitlist: 0.01 (sum: 3, count: 313, min: 0, max: 3) AutomatonVariableWaitlist: 3.00 (sum: 3, count: 1, min: 3, max: 3) Number of computed successors: 319 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 3 Number of times breaked: 0 Total time for CPA algorithm: 0.136s (Max: 0.136s) Time for choose from waitlist: 0.006s Time for precision adjustment: 0.016s Time for transfer relation: 0.094s Time for merge operator: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.011s 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: 316 Max size of waitlist: 4 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 313, min: 0, max: 0) CallstackSortedWaitlist: 0.01 (sum: 3, count: 313, min: 0, max: 3) AutomatonVariableWaitlist: 3.00 (sum: 3, count: 1, min: 3, max: 3) Number of computed successors: 319 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 3 Number of times breaked: 0 Total time for CPA algorithm: 0.136s (Max: 0.136s) Time for choose from waitlist: 0.006s Time for precision adjustment: 0.016s Time for transfer relation: 0.094s Time for merge operator: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.011s 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/read_write_lock-2.yml/witness.graphml' and ''. Using ''. (NestingAlgorithm.checkConfigs, INFO) Starting analysis 3 ... (RestartAlgorithm.run, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Restart Algorithm statistics ---------------------------- Number of algorithms provided: 3 Number of algorithms used: 3 Total time for algorithm 3: 0.220s BDDCPA statistics ----------------- Number of boolean vars: 4 (of 23) Number of intEqual vars: 5 (of 13) Number of intAdd vars: 9 (of 21) Number of all vars: 18 Number of intBool partitions: 23 Number of intEq partitions: 1 Number of intAdd partitions: 1 Number of all partitions: 81 Number of named predicates: 14720 Number of BDD nodes: 65577 Size of BDD node table: 262147 Size of BDD cache: 26227 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 19186, min: 0, max: 0) Time for BDD node cleanup: 0.003s Time for BDD garbage collection: 0.000s (in 0 runs) 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: 496, count: 496, min: 1, max: 1) [1 x 496] Number of states with assumption transitions: 0 AutomatonAnalysis (WitnessAutomaton) statistics ----------------------------------------------- Number of states: 41 Total time for successor computation: 0.016s Total time for strengthen operator: 0.002s Automaton transfers with branching: 4 Automaton transfer successors: 1.01 (sum: 595, count: 591, min: 1, max: 2) [1 x 587, 2 x 4] Number of states with assumption transitions: 13 CPA algorithm statistics ------------------------ Number of iterations: 424 Max size of waitlist: 84 Average size of waitlist: 15 CallstackSortedWaitlist: 0.01 (sum: 3, count: 379, min: 0, max: 3) AutomatonVariableWaitlist: 45.00 (sum: 45, count: 1, min: 45, max: 45) Number of computed successors: 526 Max successors for one state: 8 Number of times merged: 0 Number of times stopped: 19 Number of times breaked: 1 Total time for CPA algorithm: 0.162s (Max: 0.162s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.004s Time for transfer relation: 0.141s Time for merge operator: 0.000s Time for stop operator: 0.006s Time for adding to reached set: 0.008s CPA algorithm statistics ------------------------ Number of iterations: 424 Max size of waitlist: 84 Average size of waitlist: 15 CallstackSortedWaitlist: 0.01 (sum: 3, count: 379, min: 0, max: 3) AutomatonVariableWaitlist: 45.00 (sum: 45, count: 1, min: 45, max: 45) Number of computed successors: 526 Max successors for one state: 8 Number of times merged: 0 Number of times stopped: 19 Number of times breaked: 1 Total time for CPA algorithm: 0.162s (Max: 0.162s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.004s Time for transfer relation: 0.141s Time for merge operator: 0.000s Time for stop operator: 0.006s Time for adding to reached set: 0.008s CPAchecker general statistics ----------------------------- Number of program locations: 856 Number of CFA edges (per node): 867 (count: 856, min: 0, max: 2, avg: 1.01) Number of relevant variables: 64 Number of functions: 73 Number of loops (and loop nodes): 0 (sum: 0, min: 0, max: 0, avg: 0.00) Size of reached set: 508 Number of partitions: 494 Avg size of partitions: 1 Max size of partitions: 2 (with key [{main=N857 (before line 704) Function main called from node N99, stack depth 1 [48619f15], stack [main] @@ 0}]) Number of target states: 1 Size of final wait list: 84 Time for analysis setup: 1.059s Time for loading CPAs: 0.209s Time for loading parser: 0.158s Time for CFA construction: 0.671s Time for parsing file(s): 0.317s Time for AST to CFA: 0.218s Time for CFA sanity check: 0.001s Time for post-processing: 0.092s Time for function pointers resolving: 0.002s 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: 0.046s Time for collecting variables: 0.023s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.022s Time for exporting data: 0.000s Time for Analysis: 0.650s CPU time for analysis: 1.280s Time for analyzing result: 0.001s Total time for CPAchecker: 1.710s Total CPU time for CPAchecker: 3.290s Time for statistics: 0.037s Time for Garbage Collector: 0.059s (in 5 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: FALSE. Property violation (unreach-call: reach_error(); called in line 738) found by chosen configuration. More details about the verification run can be found in the directory "./output".