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-lit/gsv2008.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu' has two values '900s' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu::required' has two values '900' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 140s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 1 stopped. (The CPU-time limit of 140s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 138.963s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 5.36 (sum: 3864, count: 721, min: 0, max: 7) Number of global variables per state: 1.99 (sum: 1438, count: 721, min: 0, max: 2) Number of assumptions: 390 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 720 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: 2348 (count: 720, min: 0, max: 5, avg: 3.26) Symbolic values after refinement: 2348 (count: 720, min: 0, max: 5, avg: 3.26) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 122.391s Time for SMT check: 96.083s Time for resolving definites: 19.364s Cache lookups: 388 Direct cache hits: 1 Direct cache lookup time: 0.000s Number of removed outdated constraints: 0 (count: 387, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 9.108s Constraints after refinement in state: 42341 (count: 720, min: 0, max: 123, avg: 58.81) Constraints before refinement in state: 42341 (count: 720, min: 0, max: 123, avg: 58.81) Time for constraints adjustment: 2.588s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.014s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1307, count: 1307, min: 1, max: 1) [1 x 1307] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 720 Max size of waitlist: 3 Average size of waitlist: 2 Number of computed successors: 720 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: 138.833s (Max: 138.833s) Time for choose from waitlist: 0.001s Time for precision adjustment: 2.626s Time for transfer relation: 135.306s Time for stop operator: 0.884s Time for adding to reached set: 0.004s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 720 Max size of waitlist: 3 Average size of waitlist: 2 Number of computed successors: 720 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: 138.833s (Max: 138.833s) Time for choose from waitlist: 0.001s Time for precision adjustment: 2.626s Time for transfer relation: 135.306s Time for stop operator: 0.884s Time for adding to reached set: 0.004s 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: 0.354s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.41 (sum: 7, count: 17, min: 0, max: 1) Number of global variables per state: 0.00 (sum: 0, count: 17, min: 0, max: 0) Number of assumptions: 20 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 37 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.001s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 75, count: 75, min: 1, max: 1) [1 x 75] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 31 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 37 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 4 Number of times breaked: 2 Total time for CPA algorithm: 0.010s (Max: 0.005s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.002s Time for transfer relation: 0.006s Time for stop operator: 0.001s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.026s 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: 0.003s Number of interpolations: 1 Number of interpolation queries: 6 (count: 6, min: 0, max: 3, avg: 1.00) Size of interpolant: 0.67 (sum: 4, count: 6, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.003s Selecting infeasible sliced prefixes: 0.002s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 19 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 17.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.047s Time for refinements: 0.037s Average time for refinement: 0.018s Max time for refinement: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.278s CPA algorithm statistics ------------------------ Number of iterations: 31 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 37 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 4 Number of times breaked: 2 Total time for CPA algorithm: 0.010s (Max: 0.005s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.002s Time for transfer relation: 0.006s Time for stop operator: 0.001s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.026s 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: 0.003s Number of interpolations: 1 Number of interpolation queries: 6 (count: 6, min: 0, max: 3, avg: 1.00) Size of interpolant: 0.67 (sum: 4, count: 6, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.003s Selecting infeasible sliced prefixes: 0.002s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 19 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 17.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.047s Time for refinements: 0.037s Average time for refinement: 0.018s Max time for refinement: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.278s 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: 196.736s PredicateCPA statistics ----------------------- Number of abstractions: 685 (13% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 343 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 342 (50%) Times precision was empty: 3 (0%) Times precision was {false}: 341 (50%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 341 (50%) Times result was 'false': 316 (46%) Number of strengthen sat checks: 0 Number of coverage checks: 5444 BDD entailment checks: 5440 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 6 Avg ABE block size: 4.62 (sum: 3162, count: 685, min: 3, max: 6) Number of predicates discovered: 53 Number of abstraction locations: 2 Max number of predicates per location: 52 Avg number of predicates per location: 26 Total predicates per abstraction: 12269 Max number of predicates per abstraction: 52 Avg number of predicates per abstraction: 17.99 Number of irrelevant predicates: 682 (6%) Number of preds handled by boolean abs: 11587 (94%) Total number of models for allsat: 53931 Max number of models for allsat: 526 Avg number of models for allsat: 158.16 Time for post operator: 0.064s Time for path formula creation: 0.058s Time for strengthen operator: 0.005s Time for prec operator: 193.195s Time for abstraction: 193.160s (Max: 2.965s, Count: 685) Boolean abstraction: 185.054s Solving time: 9.542s (Max: 0.045s) Model enumeration time: 178.910s Time for BDD construction: 2.922s (Max: 0.026s) Time for merge operator: 0.003s Time for coverage checks: 0.089s Time for BDD entailment checks: 0.088s Total time for SMT solver (w/o itp): 188.452s Number of path formula cache hits: 5021 (93%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.043s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 309756 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 2.06 (sum: 135225, count: 65757, min: 0, max: 10138) Time for BDD node cleanup: 0.016s Time for BDD garbage collection: 0.040s (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: 0.040s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 5095, count: 5095, min: 1, max: 1) [1 x 5095] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 3040 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 1001, min: 0, max: 1) CallstackSortedWaitlist: 730.41 (sum: 19721, count: 27, min: 10, max: 2039) Number of computed successors: 3411 Max successors for one state: 2 Number of times merged: 2 Number of times stopped: 2 Number of times breaked: 26 Total time for CPA algorithm: 193.626s (Max: 33.461s) Time for choose from waitlist: 0.014s Time for precision adjustment: 193.219s Time for transfer relation: 0.231s Time for merge operator: 0.106s Time for stop operator: 0.008s Time for adding to reached set: 0.017s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.005s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.002s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 25 Avg. length of target path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 3.050s Path-formulas extraction: 0.002s Counterexample analysis: 2.988s (Max: 0.480s, Calls: 26) Refinement sat check: 1.511s Interpolant computation: 1.374s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.035s Precision update: 0.010s ARG update: 0.012s Length of refined path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of affected states: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'true': 0 (count: 25, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'false': 0 (count: 25, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 300 (count: 25, min: 0, max: 24, avg: 12.00) Equal non-trivial interpolants along paths: 0 (count: 25, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 26 Number of successful refinements: 26 Number of failed refinements: 0 Max. size of reached set before ref.: 233 Max. size of reached set after ref.: 8 Avg. size of reached set before ref.: 120.85 Avg. size of reached set after ref.: 7.73 Total time for CEGAR algorithm: 196.690s Time for refinements: 3.062s Average time for refinement: 0.117s Max time for refinement: 0.483s CPA algorithm statistics ------------------------ Number of iterations: 3040 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 1001, min: 0, max: 1) CallstackSortedWaitlist: 730.41 (sum: 19721, count: 27, min: 10, max: 2039) Number of computed successors: 3411 Max successors for one state: 2 Number of times merged: 2 Number of times stopped: 2 Number of times breaked: 26 Total time for CPA algorithm: 193.626s (Max: 33.461s) Time for choose from waitlist: 0.014s Time for precision adjustment: 193.219s Time for transfer relation: 0.231s Time for merge operator: 0.106s Time for stop operator: 0.008s Time for adding to reached set: 0.017s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.005s Time for path feasibility check: 0.002s Time for predicate extraction from CFA: 0.002s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 25 Avg. length of target path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 3.050s Path-formulas extraction: 0.002s Counterexample analysis: 2.988s (Max: 0.480s, Calls: 26) Refinement sat check: 1.511s Interpolant computation: 1.374s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.035s Precision update: 0.010s ARG update: 0.012s Length of refined path (in blocks): 14.00 (sum: 350, count: 25, min: 2, max: 26) Number of affected states: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'true': 0 (count: 25, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 325 (count: 25, min: 1, max: 25, avg: 13.00) Length (states) of path with itp 'false': 0 (count: 25, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 300 (count: 25, min: 0, max: 24, avg: 12.00) Equal non-trivial interpolants along paths: 0 (count: 25, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 26 Number of successful refinements: 26 Number of failed refinements: 0 Max. size of reached set before ref.: 233 Max. size of reached set after ref.: 8 Avg. size of reached set before ref.: 120.85 Avg. size of reached set after ref.: 7.73 Total time for CEGAR algorithm: 196.690s Time for refinements: 3.062s Average time for refinement: 0.117s Max time for refinement: 0.483s 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: 54.595s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.010s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 12563, count: 12563, min: 1, max: 1) [1 x 12563] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 11347 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 12563 Max successors for one state: 2 Number of times merged: 4995 Number of times stopped: 6211 Number of times breaked: 0 Total time for CPA algorithm: 54.553s (Max: 54.553s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.021s Time for transfer relation: 0.709s Time for merge operator: 37.937s Time for stop operator: 15.815s Time for adding to reached set: 0.017s CPA algorithm statistics ------------------------ Number of iterations: 11347 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 12563 Max successors for one state: 2 Number of times merged: 4995 Number of times stopped: 6211 Number of times breaked: 0 Total time for CPA algorithm: 54.553s (Max: 54.553s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.021s Time for transfer relation: 0.709s Time for merge operator: 37.937s Time for stop operator: 15.815s Time for adding to reached set: 0.017s 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) Adjusting maxLoopIterations to 13 (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 14 (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 15 (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 16 (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 17 (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 18 (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 19 (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 20 (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 21 (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 22 (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 23 (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 24 (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 25 (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 26 (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 27 (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 28 (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 29 (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 30 (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 31 (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 32 (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: 0.1667 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: 7 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 7: 495.564s PredicateCPA statistics ----------------------- Number of abstractions: 96 (15% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 64 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 32 (33%) Times precision was empty: 96 (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: 2 BDD entailment checks: 0 Number of SMT sat checks: 66 trivial: 0 cached: 27 Max ABE block size: 6 Avg ABE block size: 4.03 (sum: 387, count: 96, min: 3, max: 6) Number of predicates discovered: 0 Time for post operator: 0.032s Time for path formula creation: 0.031s Time for strengthen operator: 0.004s Time for prec operator: 0.003s Time for abstraction: 0.001s (Max: 0.001s, Count: 96) 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): 0.325s 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: 32 Maximum loop iteration reached: 33 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.005s Automaton transfers with branching: 0 Automaton transfer successors: 0.94 (sum: 533, count: 565, min: 0, max: 1) [0 x 32, 1 x 533] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 564 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 1.08 (sum: 293, count: 271, min: 0, max: 9) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 272, min: 0, max: 0) LoopIterationSortedWaitlist: 1.08 (sum: 292, count: 271, min: 0, max: 9) CallstackSortedWaitlist: 153.50 (sum: 4912, count: 32, min: 14, max: 293) Number of computed successors: 533 Max successors for one state: 2 Number of times merged: 1 Number of times stopped: 1 Number of times breaked: 0 Total time for CPA algorithm: 0.071s (Max: 0.006s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.009s Time for transfer relation: 0.054s Time for merge operator: 0.000s Time for stop operator: 0.000s Time for adding to reached set: 0.004s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.076s Time for final sat check: 1.143s Time for bounding assertions check: 0.268s Time for collecting formulas for interpolation: 0.016s Time for computing fixed-point by interpolation: 493.921s Total number of computed interpolants: 4 Total number of interpolation calls: 4 Total number of atoms in interpolants: 68 Avg. #atoms in itp: 17 Min. #atoms in itp: 2 Max. #atoms in itp: 32 Total number of vars in interpolants: 8 Avg. #vars in itp: 2 Min. #vars in itp: 2 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 493.874s (Max: 349.777s, Calls: 8) Refinement sat check: 493.819s Reused formulas on solver stack: 8 (Avg: 1.00) Interpolant computation: 0.055s CPA algorithm statistics ------------------------ Number of iterations: 564 Max size of waitlist: 3 Average size of waitlist: 1 LoopstackSortedWaitlist: 1.08 (sum: 293, count: 271, min: 0, max: 9) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 272, min: 0, max: 0) LoopIterationSortedWaitlist: 1.08 (sum: 292, count: 271, min: 0, max: 9) CallstackSortedWaitlist: 153.50 (sum: 4912, count: 32, min: 14, max: 293) Number of computed successors: 533 Max successors for one state: 2 Number of times merged: 1 Number of times stopped: 1 Number of times breaked: 0 Total time for CPA algorithm: 0.071s (Max: 0.006s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.009s Time for transfer relation: 0.054s Time for merge operator: 0.000s Time for stop operator: 0.000s Time for adding to reached set: 0.004s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.076s Time for final sat check: 1.143s Time for bounding assertions check: 0.268s Time for collecting formulas for interpolation: 0.016s Time for computing fixed-point by interpolation: 493.921s Total number of computed interpolants: 4 Total number of interpolation calls: 4 Total number of atoms in interpolants: 68 Avg. #atoms in itp: 17 Min. #atoms in itp: 2 Max. #atoms in itp: 32 Total number of vars in interpolants: 8 Avg. #vars in itp: 2 Min. #vars in itp: 2 Max. #vars in itp: 2 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 493.874s (Max: 349.777s, Calls: 8) Refinement sat check: 493.819s Reused formulas on solver stack: 8 (Avg: 1.00) Interpolant computation: 0.055s CPAchecker general statistics ----------------------------- Number of program locations: 47 Number of CFA edges (per node): 46 (count: 47, min: 0, max: 2, avg: 0.98) Number of relevant variables: 6 Number of functions: 3 Number of loops (and loop nodes): 1 (sum: 5, min: 5, max: 5, avg: 5.00) Size of reached set: 471 Number of reached locations: 35 (74%) Avg states per location: 13 Max states per location: 33 (at node N10) Number of reached functions: 2 (67%) Number of target states: 1 Time for analysis setup: 0.827s Time for loading CPAs: 0.256s Time for loading parser: 0.134s Time for CFA construction: 0.394s Time for parsing file(s): 0.207s Time for AST to CFA: 0.093s Time for CFA sanity check: 0.000s Time for post-processing: 0.057s Time for loop structure: 0.004s 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: 0.034s Time for collecting variables: 0.019s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.014s Time for exporting data: 0.000s Time for Analysis: 886.597s CPU time for analysis: 898.120s Total time for CPAchecker: 887.424s Total CPU time for CPAchecker: 899.650s Time for statistics: 0.016s Time for Garbage Collector: 0.666s (in 473 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".