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+lhb-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+lhb-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: 139.533s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 14.27 (sum: 9318, count: 653, min: 0, max: 17) Number of global variables per state: 8.97 (sum: 5859, count: 653, min: 0, max: 9) Number of assumptions: 353 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 652 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: 5695 (count: 652, min: 0, max: 13, avg: 8.73) Symbolic values after refinement: 5695 (count: 652, min: 0, max: 13, avg: 8.73) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 139.035s Time for SMT check: 111.279s Time for resolving definites: 23.381s Cache lookups: 323 Direct cache hits: 29 Direct cache lookup time: 0.001s Number of removed outdated constraints: 54 (count: 308, min: 0, max: 2, avg: 0.18) Time for outdated constraint removal: 0.036s Constraints after refinement in state: 6394 (count: 652, min: 0, max: 15, avg: 9.81) Constraints before refinement in state: 6394 (count: 652, min: 0, max: 15, avg: 9.81) Time for constraints adjustment: 0.011s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.018s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1095, count: 1095, min: 1, max: 1) [1 x 1095] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 603 Max size of waitlist: 51 Average size of waitlist: 25 Number of computed successors: 652 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: 139.390s (Max: 139.390s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.054s Time for transfer relation: 139.272s Time for stop operator: 0.041s Time for adding to reached set: 0.006s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 603 Max size of waitlist: 51 Average size of waitlist: 25 Number of computed successors: 652 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: 139.390s (Max: 139.390s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.054s Time for transfer relation: 139.272s Time for stop operator: 0.041s Time for adding to reached set: 0.006s 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: 1.174s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 48, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 48, min: 0, max: 0) Number of assumptions: 20 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 58 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.000s 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: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 108, count: 108, min: 1, max: 1) [1 x 108] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 49 Max size of waitlist: 6 Average size of waitlist: 3 Number of computed successors: 58 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 9 Number of times breaked: 1 Total time for CPA algorithm: 0.017s (Max: 0.013s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.000s Time for transfer relation: 0.014s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.035s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 28 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 28.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.069s Time for refinements: 0.051s Average time for refinement: 0.051s Max time for refinement: 0.051s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 1.025s CPA algorithm statistics ------------------------ Number of iterations: 49 Max size of waitlist: 6 Average size of waitlist: 3 Number of computed successors: 58 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 9 Number of times breaked: 1 Total time for CPA algorithm: 0.017s (Max: 0.013s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.000s Time for transfer relation: 0.014s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.035s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 28 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 28.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.069s Time for refinements: 0.051s Average time for refinement: 0.051s Max time for refinement: 0.051s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 1.025s 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: 0.6875 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: 2.786s PredicateCPA statistics ----------------------- Number of abstractions: 22 (7% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 19 (86%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 3 (14%) Times precision was empty: 9 (41%) Times precision was {false}: 9 (41%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 4 (18%) Times result was 'false': 3 (14%) Number of strengthen sat checks: 0 Number of coverage checks: 40 BDD entailment checks: 24 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 15 Avg ABE block size: 11.05 (sum: 243, count: 22, min: 9, max: 15) Number of predicates discovered: 4 Number of abstraction locations: 2 Max number of predicates per location: 3 Avg number of predicates per location: 2 Total predicates per abstraction: 21 Max number of predicates per abstraction: 3 Avg number of predicates per abstraction: 1.62 Number of irrelevant predicates: 13 (62%) Number of preds handled by boolean abs: 8 (38%) Total number of models for allsat: 2 Max number of models for allsat: 1 Avg number of models for allsat: 0.50 Time for post operator: 0.032s Time for path formula creation: 0.031s Time for strengthen operator: 0.002s Time for prec operator: 1.590s Time for abstraction: 1.585s (Max: 0.797s, Count: 22) Boolean abstraction: 1.367s Solving time: 0.292s (Max: 0.037s) Model enumeration time: 1.236s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.002s Time for coverage checks: 0.004s Time for BDD entailment checks: 0.004s Total time for SMT solver (w/o itp): 1.528s Number of path formula cache hits: 194 (61%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.025s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 203 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 111, min: 0, max: 0) Time for BDD node cleanup: 0.001s 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: 0.001s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 299, count: 299, min: 1, max: 1) [1 x 299] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 147 Max size of waitlist: 9 Average size of waitlist: 5 ReversePostorderSortedWaitlist: 0.82 (sum: 9, count: 11, min: 0, max: 9) CallstackSortedWaitlist: 96.33 (sum: 289, count: 3, min: 51, max: 136) Number of computed successors: 171 Max successors for one state: 2 Number of times merged: 8 Number of times stopped: 20 Number of times breaked: 2 Total time for CPA algorithm: 1.650s (Max: 1.447s) Time for choose from waitlist: 0.000s Time for precision adjustment: 1.594s Time for transfer relation: 0.043s Time for merge operator: 0.010s Time for stop operator: 0.001s Time for adding to reached set: 0.001s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.478s Time for path feasibility check: 0.472s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.002s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 3.00 (sum: 3, count: 1, min: 3, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.575s Path-formulas extraction: 0.000s Counterexample analysis: 1.043s (Max: 0.571s, Calls: 2) Refinement sat check: 1.024s Interpolant computation: 0.002s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.002s Precision update: 0.001s ARG update: 0.000s Length of refined path (in blocks): 3.00 (sum: 3, count: 1, min: 3, max: 3) Number of affected states: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'true': 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp non-trivial itp: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'false': 0 (count: 1, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 59 Max. size of reached set after ref.: 27 Avg. size of reached set before ref.: 59.00 Avg. size of reached set after ref.: 14.00 Total time for CEGAR algorithm: 2.704s Time for refinements: 1.054s Average time for refinement: 0.527s Max time for refinement: 0.576s CPA algorithm statistics ------------------------ Number of iterations: 147 Max size of waitlist: 9 Average size of waitlist: 5 ReversePostorderSortedWaitlist: 0.82 (sum: 9, count: 11, min: 0, max: 9) CallstackSortedWaitlist: 96.33 (sum: 289, count: 3, min: 51, max: 136) Number of computed successors: 171 Max successors for one state: 2 Number of times merged: 8 Number of times stopped: 20 Number of times breaked: 2 Total time for CPA algorithm: 1.650s (Max: 1.447s) Time for choose from waitlist: 0.000s Time for precision adjustment: 1.594s Time for transfer relation: 0.043s Time for merge operator: 0.010s Time for stop operator: 0.001s Time for adding to reached set: 0.001s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.478s Time for path feasibility check: 0.472s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.002s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 3.00 (sum: 3, count: 1, min: 3, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.575s Path-formulas extraction: 0.000s Counterexample analysis: 1.043s (Max: 0.571s, Calls: 2) Refinement sat check: 1.024s Interpolant computation: 0.002s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.002s Precision update: 0.001s ARG update: 0.000s Length of refined path (in blocks): 3.00 (sum: 3, count: 1, min: 3, max: 3) Number of affected states: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'true': 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp non-trivial itp: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'false': 0 (count: 1, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 59 Max. size of reached set after ref.: 27 Avg. size of reached set before ref.: 59.00 Avg. size of reached set after ref.: 14.00 Total time for CEGAR algorithm: 2.704s Time for refinements: 1.054s Average time for refinement: 0.527s Max time for refinement: 0.576s CPAchecker general statistics ----------------------------- Number of program locations: 105 Number of CFA edges (per node): 112 (count: 105, min: 0, max: 2, avg: 1.07) Number of relevant variables: 16 Number of functions: 2 Number of loops (and loop nodes): 1 (sum: 66, min: 66, max: 66, avg: 66.00) Size of reached set: 59 Number of reached locations: 49 (47%) 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: 0.891s Time for loading CPAs: 0.274s Time for loading parser: 0.134s Time for CFA construction: 0.458s Time for parsing file(s): 0.213s Time for AST to CFA: 0.124s Time for CFA sanity check: 0.001s Time for post-processing: 0.078s Time for loop structure: 0.010s 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: 0.046s Time for collecting variables: 0.022s Time for solving dependencies: 0.002s Time for building hierarchy: 0.000s Time for building classification: 0.022s Time for exporting data: 0.000s Time for Analysis: 143.563s CPU time for analysis: 145.230s Time for analyzing result: 0.000s Total time for CPAchecker: 144.455s Total CPU time for CPAchecker: 146.890s Time for statistics: 0.043s Time for Garbage Collector: 0.057s (in 8 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".