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/loopv1.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/loopv1.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: 133.902s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 5.02 (sum: 375650, count: 74769, min: 0, max: 6) Number of global variables per state: 1.00 (sum: 74767, count: 74769, min: 0, max: 1) Number of assumptions: 38518 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 74768 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.086s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 142556 (count: 74768, min: 0, max: 3, avg: 1.91) Symbolic values after refinement: 142556 (count: 74768, min: 0, max: 3, avg: 1.91) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.005s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 48.241s Time for SMT check: 16.823s Time for resolving definites: 13.016s Cache lookups: 30328 Direct cache hits: 8189 Direct cache lookup time: 0.022s Number of removed outdated constraints: 8188 (count: 26233, min: 0, max: 1, avg: 0.31) Time for outdated constraint removal: 0.760s Constraints after refinement in state: 982995 (count: 74768, min: 0, max: 15, avg: 13.15) Constraints before refinement in state: 982995 (count: 74768, min: 0, max: 15, avg: 13.15) Time for constraints adjustment: 0.375s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.114s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 78876, count: 78876, min: 1, max: 1) [1 x 78876] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 65747 Max size of waitlist: 9021 Average size of waitlist: 3953 Number of computed successors: 74768 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: 133.772s (Max: 133.772s) Time for choose from waitlist: 0.062s Time for precision adjustment: 0.797s Time for transfer relation: 50.996s Time for stop operator: 81.469s Time for adding to reached set: 0.139s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 65747 Max size of waitlist: 9021 Average size of waitlist: 3953 Number of computed successors: 74768 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: 133.772s (Max: 133.772s) Time for choose from waitlist: 0.062s Time for precision adjustment: 0.797s Time for transfer relation: 50.996s Time for stop operator: 81.469s Time for adding to reached set: 0.139s 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: 57.933s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 1.21 (sum: 93551, count: 77049, min: 0, max: 2) Number of global variables per state: 0.00 (sum: 0, count: 77049, min: 0, max: 0) Number of assumptions: 44030 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 88078 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.063s 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: 0.092s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 93608, count: 93608, min: 1, max: 1) [1 x 93608] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 77069 Max size of waitlist: 10 Average size of waitlist: 3 Number of computed successors: 88078 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 11007 Number of times breaked: 1 Total time for CPA algorithm: 57.876s (Max: 57.870s) Time for choose from waitlist: 0.143s Time for precision adjustment: 0.194s Time for transfer relation: 0.875s Time for stop operator: 56.315s Time for adding to reached set: 0.227s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.014s 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: 7 (count: 9, min: 0, max: 2, avg: 0.78) Size of interpolant: 0.56 (sum: 5, count: 9, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.004s Selecting infeasible sliced prefixes: 0.001s 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.: 24 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 24.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 57.900s Time for refinements: 0.023s Average time for refinement: 0.023s Max time for refinement: 0.023s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 77069 Max size of waitlist: 10 Average size of waitlist: 3 Number of computed successors: 88078 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 11007 Number of times breaked: 1 Total time for CPA algorithm: 57.876s (Max: 57.870s) Time for choose from waitlist: 0.143s Time for precision adjustment: 0.194s Time for transfer relation: 0.875s Time for stop operator: 56.315s Time for adding to reached set: 0.227s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.014s 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: 7 (count: 9, min: 0, max: 2, avg: 0.78) Size of interpolant: 0.56 (sum: 5, count: 9, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.004s Selecting infeasible sliced prefixes: 0.001s 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.: 24 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 24.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 57.900s Time for refinements: 0.023s Average time for refinement: 0.023s Max time for refinement: 0.023s 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: 197.982s PredicateCPA statistics ----------------------- Number of abstractions: 274 (11% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 137 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 137 (50%) Times precision was empty: 4 (1%) Times precision was {false}: 135 (49%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 135 (49%) Times result was 'false': 120 (44%) Number of strengthen sat checks: 0 Number of coverage checks: 1600 BDD entailment checks: 1360 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 6 Avg ABE block size: 4.06 (sum: 1113, count: 274, min: 3, max: 6) Number of predicates discovered: 32 Number of abstraction locations: 2 Max number of predicates per location: 30 Avg number of predicates per location: 15 Total predicates per abstraction: 2801 Max number of predicates per abstraction: 30 Avg number of predicates per abstraction: 10.37 Number of irrelevant predicates: 135 (5%) Number of preds handled by boolean abs: 2666 (95%) Total number of models for allsat: 806 Max number of models for allsat: 15 Avg number of models for allsat: 5.97 Time for post operator: 0.069s Time for path formula creation: 0.066s Time for strengthen operator: 0.011s Time for prec operator: 4.955s Time for abstraction: 4.933s (Max: 0.050s, Count: 274) Boolean abstraction: 0.585s Solving time: 3.805s (Max: 0.044s) Model enumeration time: 0.227s Time for BDD construction: 0.046s (Max: 0.003s) Time for merge operator: 0.005s Time for coverage checks: 0.008s Time for BDD entailment checks: 0.008s Total time for SMT solver (w/o itp): 4.032s Number of path formula cache hits: 2490 (88%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.062s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 27558 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.61 (sum: 3924, count: 6427, min: 0, max: 3924) Time for BDD node cleanup: 0.005s 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: 0.029s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 2591, count: 2591, min: 1, max: 1) [1 x 2591] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 2170 Max size of waitlist: 4 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 1028, min: 0, max: 1) CallstackSortedWaitlist: 397.41 (sum: 6756, count: 17, min: 7, max: 1142) Number of computed successors: 2445 Max successors for one state: 2 Number of times merged: 120 Number of times stopped: 120 Number of times breaked: 17 Total time for CPA algorithm: 5.210s (Max: 0.666s) Time for choose from waitlist: 0.007s Time for precision adjustment: 4.971s Time for transfer relation: 0.166s Time for merge operator: 0.029s Time for stop operator: 0.009s Time for adding to reached set: 0.010s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s 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: 16 Avg. length of target path (in blocks): 9.50 (sum: 152, count: 16, min: 2, max: 17) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 192.671s Path-formulas extraction: 0.000s Counterexample analysis: 192.632s (Max: 102.964s, Calls: 17) Refinement sat check: 38.930s Interpolant computation: 153.570s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.015s Precision update: 0.010s ARG update: 0.009s Length of refined path (in blocks): 9.00 (sum: 135, count: 15, min: 2, max: 16) Number of affected states: 120 (count: 15, min: 1, max: 15, avg: 8.00) Length (states) of path with itp 'true': 0 (count: 15, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 120 (count: 15, min: 1, max: 15, avg: 8.00) Length (states) of path with itp 'false': 0 (count: 15, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 105 (count: 15, min: 0, max: 14, avg: 7.00) Equal non-trivial interpolants along paths: 0 (count: 15, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 17 Number of successful refinements: 16 Number of failed refinements: 0 Max. size of reached set before ref.: 271 Max. size of reached set after ref.: 7 Avg. size of reached set before ref.: 136.00 Avg. size of reached set after ref.: 6.63 Total time for CEGAR algorithm: 197.892s Time for refinements: 192.681s Average time for refinement: 11.334s Max time for refinement: 102.968s CPA algorithm statistics ------------------------ Number of iterations: 2170 Max size of waitlist: 4 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 1028, min: 0, max: 1) CallstackSortedWaitlist: 397.41 (sum: 6756, count: 17, min: 7, max: 1142) Number of computed successors: 2445 Max successors for one state: 2 Number of times merged: 120 Number of times stopped: 120 Number of times breaked: 17 Total time for CPA algorithm: 5.210s (Max: 0.666s) Time for choose from waitlist: 0.007s Time for precision adjustment: 4.971s Time for transfer relation: 0.166s Time for merge operator: 0.029s Time for stop operator: 0.009s Time for adding to reached set: 0.010s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s 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: 16 Avg. length of target path (in blocks): 9.50 (sum: 152, count: 16, min: 2, max: 17) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 192.671s Path-formulas extraction: 0.000s Counterexample analysis: 192.632s (Max: 102.964s, Calls: 17) Refinement sat check: 38.930s Interpolant computation: 153.570s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.015s Precision update: 0.010s ARG update: 0.009s Length of refined path (in blocks): 9.00 (sum: 135, count: 15, min: 2, max: 16) Number of affected states: 120 (count: 15, min: 1, max: 15, avg: 8.00) Length (states) of path with itp 'true': 0 (count: 15, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 120 (count: 15, min: 1, max: 15, avg: 8.00) Length (states) of path with itp 'false': 0 (count: 15, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 105 (count: 15, min: 0, max: 14, avg: 7.00) Equal non-trivial interpolants along paths: 0 (count: 15, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 17 Number of successful refinements: 16 Number of failed refinements: 0 Max. size of reached set before ref.: 271 Max. size of reached set after ref.: 7 Avg. size of reached set before ref.: 136.00 Avg. size of reached set after ref.: 6.63 Total time for CEGAR algorithm: 197.892s Time for refinements: 192.681s Average time for refinement: 11.334s Max time for refinement: 102.968s 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: 53.466s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.033s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 20474, count: 20474, min: 1, max: 1) [1 x 20474] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 18018 Max size of waitlist: 12 Average size of waitlist: 10 ReversePostorderSortedWaitlist: 6541.00 (sum: 6541, count: 1, min: 6541, max: 6541) Number of computed successors: 20474 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2447 Number of times breaked: 0 Total time for CPA algorithm: 53.417s (Max: 53.417s) Time for choose from waitlist: 0.040s Time for precision adjustment: 0.056s Time for transfer relation: 1.451s Time for merge operator: 36.233s Time for stop operator: 15.446s Time for adding to reached set: 0.088s CPA algorithm statistics ------------------------ Number of iterations: 18018 Max size of waitlist: 12 Average size of waitlist: 10 ReversePostorderSortedWaitlist: 6541.00 (sum: 6541, count: 1, min: 6541, max: 6541) Number of computed successors: 20474 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2447 Number of times breaked: 0 Total time for CPA algorithm: 53.417s (Max: 53.417s) Time for choose from waitlist: 0.040s Time for precision adjustment: 0.056s Time for transfer relation: 1.451s Time for merge operator: 36.233s Time for stop operator: 15.446s Time for adding to reached set: 0.088s 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) Shutdown requested (The JVM is shutting down, probably because Ctrl+C was pressed.), waiting for termination. (ForceTerminationOnShutdown$1.shutdownRequested, WARNING) 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) Warning: Analysis interrupted (The JVM is shutting down, probably because Ctrl+C was pressed.) (ShutdownNotifier.shutdownIfNecessary, WARNING) 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: 0.2500 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: 5 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: 436.722s 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: 6 Avg ABE block size: 4.36 (sum: 157, count: 36, min: 3, max: 6) Number of predicates discovered: 0 Time for post operator: 0.022s Time for path formula creation: 0.022s Time for strengthen operator: 0.001s Time for prec operator: 0.004s 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): 0.504s 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: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 0.96 (sum: 271, count: 283, min: 0, max: 1) [0 x 12, 1 x 271] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 271 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.41 (sum: 65, count: 158, min: 0, max: 5) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 159, min: 0, max: 0) LoopIterationSortedWaitlist: 0.41 (sum: 64, count: 158, min: 0, max: 4) CallstackSortedWaitlist: 63.50 (sum: 762, count: 12, min: 14, max: 113) Number of computed successors: 271 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: 0.053s (Max: 0.008s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.011s Time for transfer relation: 0.035s Time for merge operator: 0.002s Time for stop operator: 0.001s Time for adding to reached set: 0.001s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.055s Time for final sat check: 1.141s Time for bounding assertions check: 0.148s Time for collecting formulas for interpolation: 0.010s Time for computing fixed-point by interpolation: 435.142s Total number of computed interpolants: 3 Total number of interpolation calls: 3 Total number of atoms in interpolants: 22 Avg. #atoms in itp: 7 Min. #atoms in itp: 2 Max. #atoms in itp: 11 Total number of vars in interpolants: 4 Avg. #vars in itp: 1 Min. #vars in itp: 1 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 434.854s (Max: 426.020s, Calls: 5) Refinement sat check: 432.344s Reused formulas on solver stack: 6 (Avg: 1.20) Interpolant computation: 2.510s CPA algorithm statistics ------------------------ Number of iterations: 271 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.41 (sum: 65, count: 158, min: 0, max: 5) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 159, min: 0, max: 0) LoopIterationSortedWaitlist: 0.41 (sum: 64, count: 158, min: 0, max: 4) CallstackSortedWaitlist: 63.50 (sum: 762, count: 12, min: 14, max: 113) Number of computed successors: 271 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: 0.053s (Max: 0.008s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.011s Time for transfer relation: 0.035s Time for merge operator: 0.002s Time for stop operator: 0.001s Time for adding to reached set: 0.001s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.055s Time for final sat check: 1.141s Time for bounding assertions check: 0.148s Time for collecting formulas for interpolation: 0.010s Time for computing fixed-point by interpolation: 435.142s Total number of computed interpolants: 3 Total number of interpolation calls: 3 Total number of atoms in interpolants: 22 Avg. #atoms in itp: 7 Min. #atoms in itp: 2 Max. #atoms in itp: 11 Total number of vars in interpolants: 4 Avg. #vars in itp: 1 Min. #vars in itp: 1 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 434.854s (Max: 426.020s, Calls: 5) Refinement sat check: 432.344s Reused formulas on solver stack: 6 (Avg: 1.20) Interpolant computation: 2.510s CPAchecker general statistics ----------------------------- Number of program locations: 52 Number of CFA edges (per node): 50 (count: 52, min: 0, max: 2, avg: 0.96) Number of relevant variables: 8 Number of functions: 4 Number of loops (and loop nodes): 1 (sum: 9, min: 9, max: 9, avg: 9.00) Size of reached set: 238 Number of reached locations: 38 (73%) Avg states per location: 6 Max states per location: 13 (at node N19) Number of reached functions: 3 (75%) Number of target states: 1 Time for analysis setup: 0.879s Time for loading CPAs: 0.271s Time for loading parser: 0.149s Time for CFA construction: 0.436s Time for parsing file(s): 0.217s Time for AST to CFA: 0.106s Time for CFA sanity check: 0.000s Time for post-processing: 0.075s Time for loop structure: 0.004s Time for AST structure: 0.000s Time for function pointers resolving: 0.004s 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: 0.024s Time for solving dependencies: 0.002s Time for building hierarchy: 0.000s Time for building classification: 0.020s Time for exporting data: 0.000s Time for Analysis: 880.164s CPU time for analysis: 898.370s Total time for CPAchecker: 881.053s Total CPU time for CPAchecker: 900.020s Time for statistics: 0.019s Time for Garbage Collector: 2.060s (in 201 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: UNKNOWN, incomplete analysis. 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".