cpachecker/bin/cpachecker --svcomp24 --heap 10000M --benchmark --option cpa.arg.yamlProofWitness=witness-%s.yml --option witness.yamlexporter.witnessVersions=V2d1,V2 --timelimit 900s --stats --spec sv-benchmarks/c/properties/unreach-call.prp --32 sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. 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 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu' has two values '900s' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu::required' has two values '900' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 140s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 1 stopped. (The CPU-time limit of 140s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 139.676s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 5.88 (sum: 3570, count: 607, min: 0, max: 8) Number of global variables per state: 1.99 (sum: 1210, count: 607, min: 0, max: 2) Number of assumptions: 478 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 606 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.009s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 1755 (count: 606, min: 0, max: 5, avg: 2.90) Symbolic values after refinement: 1755 (count: 606, min: 0, max: 5, avg: 2.90) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 139.171s Time for SMT check: 123.937s Time for resolving definites: 10.312s Cache lookups: 394 Direct cache hits: 83 Direct cache lookup time: 0.001s Number of removed outdated constraints: 134 (count: 352, min: 0, max: 1, avg: 0.38) Time for outdated constraint removal: 0.052s Constraints after refinement in state: 4392 (count: 606, min: 0, max: 10, avg: 7.25) Constraints before refinement in state: 4392 (count: 606, min: 0, max: 10, avg: 7.25) Time for constraints adjustment: 0.011s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.010s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 865, count: 865, min: 1, max: 1) [1 x 865] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 553 Max size of waitlist: 55 Average size of waitlist: 28 Number of computed successors: 606 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 139.535s (Max: 139.535s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.058s Time for transfer relation: 139.410s Time for stop operator: 0.054s Time for adding to reached set: 0.005s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 553 Max size of waitlist: 55 Average size of waitlist: 28 Number of computed successors: 606 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 139.535s (Max: 139.535s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.058s Time for transfer relation: 139.410s Time for stop operator: 0.054s Time for adding to reached set: 0.005s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Infeasible counterexample found, but could not remove it from the ARG. Therefore, we cannot prove safety. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, WARNING) Analysis 2 terminated, but result is unsound. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 1.268s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.92 (sum: 34, count: 37, min: 0, max: 1) Number of global variables per state: 0.00 (sum: 0, count: 37, min: 0, max: 0) Number of assumptions: 34 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 62 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: 0.008s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 104, count: 104, min: 1, max: 1) [1 x 104] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 51 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 62 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 8 Number of times breaked: 2 Total time for CPA algorithm: 0.037s (Max: 0.032s) Time for choose from waitlist: 0.022s Time for precision adjustment: 0.001s Time for transfer relation: 0.013s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.031s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.002s Number of interpolations: 1 Number of interpolation queries: 6 (count: 6, min: 0, max: 3, avg: 1.00) Size of interpolant: 0.67 (sum: 4, count: 6, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.006s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 34 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 25.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.080s Time for refinements: 0.043s Average time for refinement: 0.021s Max time for refinement: 0.027s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 1.116s CPA algorithm statistics ------------------------ Number of iterations: 51 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 62 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 8 Number of times breaked: 2 Total time for CPA algorithm: 0.037s (Max: 0.032s) Time for choose from waitlist: 0.022s Time for precision adjustment: 0.001s Time for transfer relation: 0.013s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.031s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.002s Number of interpolations: 1 Number of interpolation queries: 6 (count: 6, min: 0, max: 3, avg: 1.00) Size of interpolant: 0.67 (sum: 4, count: 6, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.006s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 34 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 25.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.080s Time for refinements: 0.043s Average time for refinement: 0.021s Max time for refinement: 0.027s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 1.116s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu' has two values '900s' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 200s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant) and JFactory 1.21. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPARefiner., INFO) Starting analysis 3 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.2857 Requires alias handling: 0 Requires loop handling: 1 Has a single loop: 1 Requires composite-type handling: 0 Requires array handling: 0 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.0000 Program containing external functions: true Number of all righthand side functions: 3 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 3 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties Total time for algorithm 3: 12.083s PredicateCPA statistics ----------------------- Number of abstractions: 14 (7% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 9 (64%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 5 (36%) Times precision was empty: 4 (29%) Times precision was {false}: 5 (36%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 5 (36%) Times result was 'false': 2 (14%) Number of strengthen sat checks: 0 Number of coverage checks: 56 BDD entailment checks: 16 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 10 Avg ABE block size: 8.14 (sum: 114, count: 14, min: 3, max: 10) Number of predicates discovered: 5 Number of abstraction locations: 2 Max number of predicates per location: 4 Avg number of predicates per location: 2 Total predicates per abstraction: 19 Max number of predicates per abstraction: 4 Avg number of predicates per abstraction: 1.90 Number of irrelevant predicates: 10 (53%) Number of preds handled by boolean abs: 9 (47%) Total number of models for allsat: 11 Max number of models for allsat: 3 Avg number of models for allsat: 2.20 Time for post operator: 0.026s Time for path formula creation: 0.025s Time for strengthen operator: 0.000s Time for prec operator: 11.032s Time for abstraction: 11.030s (Max: 5.439s, Count: 14) Boolean abstraction: 10.927s Solving time: 0.220s (Max: 0.054s) Model enumeration time: 10.762s Time for BDD construction: 0.002s (Max: 0.001s) Time for merge operator: 0.005s Time for coverage checks: 0.031s Time for BDD entailment checks: 0.031s Total time for SMT solver (w/o itp): 10.982s Number of path formula cache hits: 146 (62%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.022s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 213 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 90, 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 ------------------------------- AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 215, count: 215, min: 1, max: 1) [1 x 215] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 120 Max size of waitlist: 6 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 0.50 (sum: 8, count: 16, min: 0, max: 8) CallstackSortedWaitlist: 60.25 (sum: 241, count: 4, min: 19, max: 104) Number of computed successors: 148 Max successors for one state: 2 Number of times merged: 20 Number of times stopped: 24 Number of times breaked: 3 Total time for CPA algorithm: 11.119s (Max: 10.874s) Time for choose from waitlist: 0.000s Time for precision adjustment: 11.033s Time for transfer relation: 0.039s Time for merge operator: 0.041s Time for stop operator: 0.000s Time for adding to reached set: 0.002s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.007s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.006s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 2 Avg. length of target path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.896s Path-formulas extraction: 0.000s Counterexample analysis: 0.890s (Max: 0.862s, Calls: 3) Refinement sat check: 0.870s Interpolant computation: 0.003s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.001s Precision update: 0.002s ARG update: 0.001s Length of refined path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of affected states: 2 (count: 2, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'true': 1 (count: 2, min: 0, max: 1, avg: 0.50) Length (states) of path with itp non-trivial itp: 2 (count: 2, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'false': 0 (count: 2, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 3 Number of successful refinements: 3 Number of failed refinements: 0 Max. size of reached set before ref.: 50 Max. size of reached set after ref.: 26 Avg. size of reached set before ref.: 34.67 Avg. size of reached set after ref.: 10.00 Total time for CEGAR algorithm: 12.023s Time for refinements: 0.904s Average time for refinement: 0.301s Max time for refinement: 0.864s CPA algorithm statistics ------------------------ Number of iterations: 120 Max size of waitlist: 6 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 0.50 (sum: 8, count: 16, min: 0, max: 8) CallstackSortedWaitlist: 60.25 (sum: 241, count: 4, min: 19, max: 104) Number of computed successors: 148 Max successors for one state: 2 Number of times merged: 20 Number of times stopped: 24 Number of times breaked: 3 Total time for CPA algorithm: 11.119s (Max: 10.874s) Time for choose from waitlist: 0.000s Time for precision adjustment: 11.033s Time for transfer relation: 0.039s Time for merge operator: 0.041s Time for stop operator: 0.000s Time for adding to reached set: 0.002s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.007s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.006s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 2 Avg. length of target path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.896s Path-formulas extraction: 0.000s Counterexample analysis: 0.890s (Max: 0.862s, Calls: 3) Refinement sat check: 0.870s Interpolant computation: 0.003s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.001s Precision update: 0.002s ARG update: 0.001s Length of refined path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of affected states: 2 (count: 2, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'true': 1 (count: 2, min: 0, max: 1, avg: 0.50) Length (states) of path with itp non-trivial itp: 2 (count: 2, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'false': 0 (count: 2, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 3 Number of successful refinements: 3 Number of failed refinements: 0 Max. size of reached set before ref.: 50 Max. size of reached set after ref.: 26 Avg. size of reached set before ref.: 34.67 Avg. size of reached set after ref.: 10.00 Total time for CEGAR algorithm: 12.023s Time for refinements: 0.904s Average time for refinement: 0.301s Max time for refinement: 0.864s CPAchecker general statistics ----------------------------- Number of program locations: 52 Number of CFA edges (per node): 55 (count: 52, min: 0, max: 2, avg: 1.06) Number of relevant variables: 7 Number of functions: 2 Number of loops (and loop nodes): 1 (sum: 21, min: 21, max: 21, avg: 21.00) Size of reached set: 49 Number of reached locations: 26 (50%) Avg states per location: 1 Max states per location: 2 (at node N4) Number of reached functions: 1 (50%) Number of target states: 0 Time for analysis setup: 0.882s Time for loading CPAs: 0.286s Time for loading parser: 0.165s Time for CFA construction: 0.401s Time for parsing file(s): 0.166s Time for AST to CFA: 0.110s Time for CFA sanity check: 0.000s Time for post-processing: 0.084s Time for loop structure: 0.005s Time for AST structure: 0.000s 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: 0.052s Time for collecting variables: 0.033s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.019s Time for exporting data: 0.000s Time for Analysis: 153.115s CPU time for analysis: 154.880s Time for analyzing result: 0.000s Total time for CPAchecker: 153.998s Total CPU time for CPAchecker: 156.550s Time for statistics: 0.024s Time for Garbage Collector: 0.056s (in 7 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".