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/loops-crafted-1/mono-crafted_11.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/loops-crafted-1/mono-crafted_11.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: 134.016s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 2.00 (sum: 134128, count: 67068, min: 0, max: 2) Number of global variables per state: 0.00 (sum: 0, count: 67068, min: 0, max: 0) Number of assumptions: 107304 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 67067 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.047s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 0 (count: 67067, min: 0, max: 0, avg: 0.00) Symbolic values after refinement: 0 (count: 67067, min: 0, max: 0, avg: 0.00) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.006s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 1.332s Time for SMT check: 0.000s Time for resolving definites: 0.000s Cache lookups: 26826 Direct cache hits: 26825 Direct cache lookup time: 0.025s Number of removed outdated constraints: 0 (count: 26826, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 0.123s Constraints after refinement in state: 0 (count: 67067, min: 0, max: 0, avg: 0.00) Constraints before refinement in state: 0 (count: 67067, min: 0, max: 0, avg: 0.00) Time for constraints adjustment: 0.019s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.104s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 93899, count: 93899, min: 1, max: 1) [1 x 93899] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 67067 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 67067 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: 133.822s (Max: 133.822s) Time for choose from waitlist: 0.034s Time for precision adjustment: 0.383s Time for transfer relation: 2.894s Time for stop operator: 130.148s Time for adding to reached set: 0.111s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 67067 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 67067 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: 133.822s (Max: 133.822s) Time for choose from waitlist: 0.034s Time for precision adjustment: 0.383s Time for transfer relation: 2.894s Time for stop operator: 130.148s Time for adding to reached set: 0.111s 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) Warning: Analysis 2 stopped. (The CPU-time limit of 60s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 56.829s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 1.00 (sum: 52281, count: 52283, min: 0, max: 1) Number of global variables per state: 0.00 (sum: 0, count: 52283, min: 0, max: 0) Number of assumptions: 83654 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 52303 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.042s 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: 0.047s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 73229, count: 73229, min: 1, max: 1) [1 x 73229] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 52300 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 52303 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2 Number of times breaked: 1 Total time for CPA algorithm: 56.737s (Max: 56.722s) Time for choose from waitlist: 0.071s Time for precision adjustment: 0.117s Time for transfer relation: 0.463s Time for stop operator: 55.943s Time for adding to reached set: 0.102s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.025s 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: 0.001s Number of interpolations: 1 Number of interpolation queries: 2 (count: 4, min: 0, max: 1, avg: 0.50) Size of interpolant: 0.50 (sum: 2, count: 4, min: 0, max: 1) Number of sliced prefixes: 2 (count: 1, min: 2, max: 2, avg: 2.00) Extracting infeasible sliced prefixes: 0.005s Selecting infeasible sliced prefixes: 0.006s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 20 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 20.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.782s Time for refinements: 0.045s Average time for refinement: 0.045s Max time for refinement: 0.045s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 52300 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 52303 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2 Number of times breaked: 1 Total time for CPA algorithm: 56.737s (Max: 56.722s) Time for choose from waitlist: 0.071s Time for precision adjustment: 0.117s Time for transfer relation: 0.463s Time for stop operator: 55.943s Time for adding to reached set: 0.102s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.025s 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: 0.001s Number of interpolations: 1 Number of interpolation queries: 2 (count: 4, min: 0, max: 1, avg: 0.50) Size of interpolant: 0.50 (sum: 2, count: 4, min: 0, max: 1) Number of sliced prefixes: 2 (count: 1, min: 2, max: 2, avg: 2.00) Extracting infeasible sliced prefixes: 0.005s Selecting infeasible sliced prefixes: 0.006s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 20 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 20.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.782s Time for refinements: 0.045s Average time for refinement: 0.045s Max time for refinement: 0.045s 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 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) Warning: Analysis 3 stopped. (The CPU-time limit of 200s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 3 of 7 =============================== Total time for algorithm 3: 195.755s PredicateCPA statistics ----------------------- Number of abstractions: 676 (10% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 338 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 338 (50%) Times precision was empty: 4 (1%) Times precision was {false}: 336 (50%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 336 (50%) Times result was 'false': 328 (49%) Number of strengthen sat checks: 0 Number of coverage checks: 38168 BDD entailment checks: 37512 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 3 Avg ABE block size: 2.97 (sum: 2008, count: 676, min: 1, max: 3) Number of predicates discovered: 183 Number of abstraction locations: 2 Max number of predicates per location: 181 Avg number of predicates per location: 91 Total predicates per abstraction: 41566 Max number of predicates per abstraction: 181 Avg number of predicates per abstraction: 61.85 Number of irrelevant predicates: 336 (1%) Number of preds handled by boolean abs: 41230 (99%) Total number of models for allsat: 2763 Max number of models for allsat: 84 Avg number of models for allsat: 8.22 Time for post operator: 0.229s Time for path formula creation: 0.227s Time for strengthen operator: 0.007s Time for prec operator: 12.849s Time for abstraction: 12.821s (Max: 0.248s, Count: 676) Boolean abstraction: 9.016s Solving time: 3.646s (Max: 0.044s) Model enumeration time: 5.993s Time for BDD construction: 1.870s (Max: 0.032s) Time for merge operator: 0.009s Time for coverage checks: 0.143s Time for BDD entailment checks: 0.136s Total time for SMT solver (w/o itp): 9.639s Number of path formula cache hits: 3619 (52%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.218s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 517782 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 1.32 (sum: 121807, count: 91973, min: 0, max: 98044) Time for BDD node cleanup: 0.015s Time for BDD garbage collection: 0.045s (in 3 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: 0.068s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 6666, count: 6666, min: 1, max: 1) [1 x 6666] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 5322 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 2340, min: 0, max: 0) CallstackSortedWaitlist: 588.00 (sum: 5880, count: 10, min: 3, max: 2982) Number of computed successors: 5998 Max successors for one state: 2 Number of times merged: 328 Number of times stopped: 328 Number of times breaked: 10 Total time for CPA algorithm: 13.574s (Max: 9.923s) Time for choose from waitlist: 0.015s Time for precision adjustment: 12.860s Time for transfer relation: 0.415s Time for merge operator: 0.209s Time for stop operator: 0.024s Time for adding to reached set: 0.019s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.009s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.007s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 9 Avg. length of target path (in blocks): 38.44 (sum: 346, count: 9, min: 2, max: 170) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 182.065s Path-formulas extraction: 0.000s Counterexample analysis: 182.015s (Max: 168.518s, Calls: 10) Refinement sat check: 7.868s Interpolant computation: 174.099s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.018s Precision update: 0.010s ARG update: 0.014s Length of refined path (in blocks): 22.00 (sum: 176, count: 8, min: 2, max: 85) Number of affected states: 168 (count: 8, min: 1, max: 84, avg: 21.00) Length (states) of path with itp 'true': 0 (count: 8, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 168 (count: 8, min: 1, max: 84, avg: 21.00) Length (states) of path with itp 'false': 0 (count: 8, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 160 (count: 8, min: 0, max: 83, avg: 20.00) Equal non-trivial interpolants along paths: 0 (count: 8, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 10 Number of successful refinements: 9 Number of failed refinements: 0 Max. size of reached set before ref.: 2700 Max. size of reached set after ref.: 3 Avg. size of reached set before ref.: 536.80 Avg. size of reached set after ref.: 2.78 Total time for CEGAR algorithm: 195.654s Time for refinements: 182.080s Average time for refinement: 18.208s Max time for refinement: 168.521s CPA algorithm statistics ------------------------ Number of iterations: 5322 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 2340, min: 0, max: 0) CallstackSortedWaitlist: 588.00 (sum: 5880, count: 10, min: 3, max: 2982) Number of computed successors: 5998 Max successors for one state: 2 Number of times merged: 328 Number of times stopped: 328 Number of times breaked: 10 Total time for CPA algorithm: 13.574s (Max: 9.923s) Time for choose from waitlist: 0.015s Time for precision adjustment: 12.860s Time for transfer relation: 0.415s Time for merge operator: 0.209s Time for stop operator: 0.024s Time for adding to reached set: 0.019s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.009s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.007s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 9 Avg. length of target path (in blocks): 38.44 (sum: 346, count: 9, min: 2, max: 170) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 182.065s Path-formulas extraction: 0.000s Counterexample analysis: 182.015s (Max: 168.518s, Calls: 10) Refinement sat check: 7.868s Interpolant computation: 174.099s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.018s Precision update: 0.010s ARG update: 0.014s Length of refined path (in blocks): 22.00 (sum: 176, count: 8, min: 2, max: 85) Number of affected states: 168 (count: 8, min: 1, max: 84, avg: 21.00) Length (states) of path with itp 'true': 0 (count: 8, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 168 (count: 8, min: 1, max: 84, avg: 21.00) Length (states) of path with itp 'false': 0 (count: 8, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 160 (count: 8, min: 0, max: 83, avg: 20.00) Equal non-trivial interpolants along paths: 0 (count: 8, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 10 Number of successful refinements: 9 Number of failed refinements: 0 Max. size of reached set before ref.: 2700 Max. size of reached set after ref.: 3 Avg. size of reached set before ref.: 536.80 Avg. size of reached set after ref.: 2.78 Total time for CEGAR algorithm: 195.654s Time for refinements: 182.080s Average time for refinement: 18.208s Max time for refinement: 168.521s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 4 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.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-dataFlow.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-dataFlow.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-dataFlow.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 4 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 4 stopped. (The CPU-time limit of 60s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 4 of 7 =============================== Total time for algorithm 4: 53.475s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.022s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 16006, count: 16006, min: 1, max: 1) [1 x 16006] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 16006 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 16006 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: 53.399s (Max: 53.399s) Time for choose from waitlist: 0.012s Time for precision adjustment: 0.026s Time for transfer relation: 1.145s Time for merge operator: 38.428s Time for stop operator: 13.667s Time for adding to reached set: 0.062s CPA algorithm statistics ------------------------ Number of iterations: 16006 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 16006 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: 53.399s (Max: 53.399s) Time for choose from waitlist: 0.012s Time for precision adjustment: 0.026s Time for transfer relation: 1.145s Time for merge operator: 38.428s Time for stop operator: 13.667s Time for adding to reached set: 0.062s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 5 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.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-IMC.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.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). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:PredicateCPA:PredicateCPA., INFO) Starting analysis 5 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Adjusting maxLoopIterations to 2 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 3 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 4 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 5 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 6 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 7 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 8 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 9 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 10 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 11 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 12 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) The current image reaches a fixed point (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:IMCAlgorithm.reachFixedPointByInterpolation, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties' because condition if-recursive did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties' because condition if-concurrent did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, 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: 0.0000 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: 4 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 7 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 7: 0.248s PredicateCPA statistics ----------------------- Number of abstractions: 36 (12% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 24 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 12 (33%) Times precision was empty: 36 (100%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 0 (0%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 0 Number of coverage checks: 24 BDD entailment checks: 0 Number of SMT sat checks: 25 trivial: 0 cached: 9 Max ABE block size: 3 Avg ABE block size: 2.94 (sum: 106, count: 36, min: 1, max: 3) Number of predicates discovered: 0 Time for post operator: 0.011s Time for path formula creation: 0.009s Time for strengthen operator: 0.000s Time for prec operator: 0.001s Time for abstraction: 0.000s (Max: 0.000s, Count: 36) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.000s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.015s Total number of created targets for pointer analysis: 0 KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- Bounds CPA statistics --------------------- Bound k: 12 Maximum loop iteration reached: 13 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.000s Automaton transfers with branching: 0 Automaton transfer successors: 0.96 (sum: 260, count: 272, min: 0, max: 1) [0 x 12, 1 x 260] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 260 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.47 (sum: 60, count: 128, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 128, min: 0, max: 0) LoopIterationSortedWaitlist: 0.47 (sum: 60, count: 128, min: 0, max: 3) CallstackSortedWaitlist: 71.50 (sum: 858, count: 12, min: 11, max: 132) Number of computed successors: 260 Max successors for one state: 2 Number of times merged: 12 Number of times stopped: 12 Number of times breaked: 0 Total time for CPA algorithm: 0.049s (Max: 0.012s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.011s Time for transfer relation: 0.029s Time for merge operator: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.001s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.052s Time for final sat check: 0.033s Time for bounding assertions check: 0.012s Time for collecting formulas for interpolation: 0.006s Time for computing fixed-point by interpolation: 0.055s Total number of computed interpolants: 3 Total number of interpolation calls: 3 Total number of atoms in interpolants: 7 Avg. #atoms in itp: 2 Min. #atoms in itp: 1 Max. #atoms in itp: 3 Total number of vars in interpolants: 3 Avg. #vars in itp: 1 Min. #vars in itp: 1 Max. #vars in itp: 1 Fixed-point convergence length: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 0.044s (Max: 0.028s, Calls: 4) Refinement sat check: 0.021s Reused formulas on solver stack: 4 (Avg: 1.00) Interpolant computation: 0.023s CPA algorithm statistics ------------------------ Number of iterations: 260 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.47 (sum: 60, count: 128, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 128, min: 0, max: 0) LoopIterationSortedWaitlist: 0.47 (sum: 60, count: 128, min: 0, max: 3) CallstackSortedWaitlist: 71.50 (sum: 858, count: 12, min: 11, max: 132) Number of computed successors: 260 Max successors for one state: 2 Number of times merged: 12 Number of times stopped: 12 Number of times breaked: 0 Total time for CPA algorithm: 0.049s (Max: 0.012s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.011s Time for transfer relation: 0.029s Time for merge operator: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.001s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.052s Time for final sat check: 0.033s Time for bounding assertions check: 0.012s Time for collecting formulas for interpolation: 0.006s Time for computing fixed-point by interpolation: 0.055s Total number of computed interpolants: 3 Total number of interpolation calls: 3 Total number of atoms in interpolants: 7 Avg. #atoms in itp: 2 Min. #atoms in itp: 1 Max. #atoms in itp: 3 Total number of vars in interpolants: 3 Avg. #vars in itp: 1 Min. #vars in itp: 1 Max. #vars in itp: 1 Fixed-point convergence length: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 0.044s (Max: 0.028s, Calls: 4) Refinement sat check: 0.021s Reused formulas on solver stack: 4 (Avg: 1.00) Interpolant computation: 0.023s CPAchecker general statistics ----------------------------- Number of program locations: 35 Number of CFA edges (per node): 34 (count: 35, min: 0, max: 2, avg: 0.97) Number of relevant variables: 4 Number of functions: 3 Number of loops (and loop nodes): 1 (sum: 9, min: 9, max: 9, avg: 9.00) Size of reached set: 226 Number of reached locations: 27 (77%) Avg states per location: 8 Max states per location: 13 (at node N16) Number of reached functions: 2 (67%) Number of target states: 0 Time for analysis setup: 1.142s Time for loading CPAs: 0.370s Time for loading parser: 0.216s Time for CFA construction: 0.521s Time for parsing file(s): 0.260s Time for AST to CFA: 0.135s Time for CFA sanity check: 0.000s Time for post-processing: 0.083s Time for loop structure: 0.005s Time for AST structure: 0.000s 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: 0.051s Time for collecting variables: 0.029s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.022s Time for exporting data: 0.000s Time for Analysis: 440.520s CPU time for analysis: 461.910s Time for analyzing result: 0.000s Total time for CPAchecker: 441.664s Total CPU time for CPAchecker: 464.130s Time for statistics: 0.033s Time for Garbage Collector: 1.936s (in 316 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-IMC.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".