/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows ASSERTandASSUME -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:53:51,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:53:51,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 01:53:51,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:53:51,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:53:51,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:53:51,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:53:51,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:53:51,254 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:53:51,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:53:51,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:53:51,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:53:51,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:53:51,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> ASSERTandASSUME [2025-03-15 01:53:51,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:53:51,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:53:51,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:53:51,552 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:53:51,552 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:53:51,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2025-03-15 01:53:52,781 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95784c2b7/40295aca6b1244a8a7a2ce96b907b2d0/FLAGb7cadb5c8 [2025-03-15 01:53:52,991 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:53:52,991 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2025-03-15 01:53:53,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95784c2b7/40295aca6b1244a8a7a2ce96b907b2d0/FLAGb7cadb5c8 [2025-03-15 01:53:53,020 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95784c2b7/40295aca6b1244a8a7a2ce96b907b2d0 [2025-03-15 01:53:53,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:53:53,024 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:53:53,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:53:53,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:53:53,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:53:53,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e758e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53, skipping insertion in model container [2025-03-15 01:53:53,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:53:53,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:53:53,350 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:53:53,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:53:53,467 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:53:53,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53 WrapperNode [2025-03-15 01:53:53,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:53:53,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:53:53,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:53:53,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:53:53,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,505 INFO L138 Inliner]: procedures = 263, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2025-03-15 01:53:53,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:53:53,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:53:53,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:53:53,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:53:53,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:53:53,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:53:53,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:53:53,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:53:53,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:53:53,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:53,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 01:53:53,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 01:53:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:53:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:53:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:53:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:53:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:53:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:53:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:53:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:53:53,599 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:53:53,702 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:53:53,703 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:53:53,792 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:53:53,793 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:53:53,810 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:53:53,810 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:53:53,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:53:53 BoogieIcfgContainer [2025-03-15 01:53:53,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:53:53,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:53:53,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:53:53,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:53:53,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:53:53" (1/3) ... [2025-03-15 01:53:53,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f823d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:53:53, skipping insertion in model container [2025-03-15 01:53:53,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (2/3) ... [2025-03-15 01:53:53,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f823d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:53:53, skipping insertion in model container [2025-03-15 01:53:53,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:53:53" (3/3) ... [2025-03-15 01:53:53,819 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2025-03-15 01:53:53,831 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:53:53,833 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_04-munge_nr.i that has 2 procedures, 57 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:53:53,833 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:53:53,876 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:53:53,927 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:53:53,936 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7bf4d579, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:53:53,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 01:53:53,960 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:53:53,960 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2025-03-15 01:53:53,962 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:53:53,962 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:53,963 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:53,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:53,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash 673468809, now seen corresponding path program 1 times [2025-03-15 01:53:53,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:53,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695233976] [2025-03-15 01:53:53,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:53,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:54,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695233976] [2025-03-15 01:53:54,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695233976] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:53:54,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189422810] [2025-03-15 01:53:54,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:53:54,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:53:54,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:53:54,258 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 56 [2025-03-15 01:53:54,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 56 [2025-03-15 01:53:54,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:54,351 INFO L124 PetriNetUnfolderBase]: 29/145 cut-off events. [2025-03-15 01:53:54,351 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2025-03-15 01:53:54,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 145 events. 29/145 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 487 event pairs, 15 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 195. Up to 50 conditions per place. [2025-03-15 01:53:54,357 INFO L140 encePairwiseOnDemand]: 49/56 looper letters, 17 selfloop transitions, 3 changer transitions 9/63 dead transitions. [2025-03-15 01:53:54,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 63 transitions, 182 flow [2025-03-15 01:53:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:53:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:53:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2025-03-15 01:53:54,366 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8690476190476191 [2025-03-15 01:53:54,369 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places. [2025-03-15 01:53:54,370 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 63 transitions, 182 flow [2025-03-15 01:53:54,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,370 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:54,370 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:54,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:53:54,379 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:54,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:54,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2108160103, now seen corresponding path program 1 times [2025-03-15 01:53:54,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:54,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651030506] [2025-03-15 01:53:54,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:54,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651030506] [2025-03-15 01:53:54,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651030506] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:54,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699139024] [2025-03-15 01:53:54,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:54,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:54,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:54,704 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:54,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 63 transitions, 182 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:54,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:55,038 INFO L124 PetriNetUnfolderBase]: 80/312 cut-off events. [2025-03-15 01:53:55,038 INFO L125 PetriNetUnfolderBase]: For 29/34 co-relation queries the response was YES. [2025-03-15 01:53:55,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 312 events. 80/312 cut-off events. For 29/34 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1438 event pairs, 16 based on Foata normal form. 4/295 useless extension candidates. Maximal degree in co-relation 592. Up to 109 conditions per place. [2025-03-15 01:53:55,041 INFO L140 encePairwiseOnDemand]: 46/56 looper letters, 29 selfloop transitions, 30 changer transitions 9/103 dead transitions. [2025-03-15 01:53:55,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 103 transitions, 426 flow [2025-03-15 01:53:55,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:53:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:53:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 433 transitions. [2025-03-15 01:53:55,043 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.702922077922078 [2025-03-15 01:53:55,043 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 11 predicate places. [2025-03-15 01:53:55,043 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 103 transitions, 426 flow [2025-03-15 01:53:55,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:55,044 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:55,044 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:55,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:53:55,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:55,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:55,045 INFO L85 PathProgramCache]: Analyzing trace with hash 678283801, now seen corresponding path program 2 times [2025-03-15 01:53:55,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:55,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572786395] [2025-03-15 01:53:55,045 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:53:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:55,066 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:53:55,066 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:55,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:55,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572786395] [2025-03-15 01:53:55,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572786395] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:55,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:55,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:55,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653609370] [2025-03-15 01:53:55,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:55,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:55,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:55,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:55,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:55,230 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:55,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 103 transitions, 426 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:55,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:55,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:55,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:55,504 INFO L124 PetriNetUnfolderBase]: 95/376 cut-off events. [2025-03-15 01:53:55,504 INFO L125 PetriNetUnfolderBase]: For 129/161 co-relation queries the response was YES. [2025-03-15 01:53:55,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 376 events. 95/376 cut-off events. For 129/161 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1933 event pairs, 11 based on Foata normal form. 24/375 useless extension candidates. Maximal degree in co-relation 911. Up to 131 conditions per place. [2025-03-15 01:53:55,507 INFO L140 encePairwiseOnDemand]: 44/56 looper letters, 45 selfloop transitions, 50 changer transitions 11/141 dead transitions. [2025-03-15 01:53:55,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 141 transitions, 816 flow [2025-03-15 01:53:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:53:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:53:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 369 transitions. [2025-03-15 01:53:55,510 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7321428571428571 [2025-03-15 01:53:55,510 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 19 predicate places. [2025-03-15 01:53:55,510 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 141 transitions, 816 flow [2025-03-15 01:53:55,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:55,510 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:55,510 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:55,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:53:55,511 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:55,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:55,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1801216029, now seen corresponding path program 3 times [2025-03-15 01:53:55,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:55,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056593976] [2025-03-15 01:53:55,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:53:55,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:55,525 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:53:55,525 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:55,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:55,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056593976] [2025-03-15 01:53:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056593976] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:55,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:55,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660758922] [2025-03-15 01:53:55,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:55,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:55,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:55,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:55,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:55,677 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:55,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 141 transitions, 816 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:55,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:55,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:55,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:55,958 INFO L124 PetriNetUnfolderBase]: 167/593 cut-off events. [2025-03-15 01:53:55,959 INFO L125 PetriNetUnfolderBase]: For 474/546 co-relation queries the response was YES. [2025-03-15 01:53:55,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 593 events. 167/593 cut-off events. For 474/546 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3590 event pairs, 22 based on Foata normal form. 18/570 useless extension candidates. Maximal degree in co-relation 1771. Up to 216 conditions per place. [2025-03-15 01:53:55,968 INFO L140 encePairwiseOnDemand]: 45/56 looper letters, 75 selfloop transitions, 63 changer transitions 15/188 dead transitions. [2025-03-15 01:53:55,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 188 transitions, 1442 flow [2025-03-15 01:53:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:53:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:53:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 450 transitions. [2025-03-15 01:53:55,973 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7305194805194806 [2025-03-15 01:53:55,973 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 29 predicate places. [2025-03-15 01:53:55,973 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 188 transitions, 1442 flow [2025-03-15 01:53:55,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:55,974 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:55,974 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:55,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:53:55,974 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:55,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:55,974 INFO L85 PathProgramCache]: Analyzing trace with hash 504356383, now seen corresponding path program 4 times [2025-03-15 01:53:55,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:55,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201924992] [2025-03-15 01:53:55,974 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:53:55,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:55,987 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:53:55,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:56,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:56,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201924992] [2025-03-15 01:53:56,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201924992] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:56,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:56,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:56,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406420868] [2025-03-15 01:53:56,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:56,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:56,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:56,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:56,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:56,098 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:56,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 188 transitions, 1442 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:56,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:56,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:56,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:56,361 INFO L124 PetriNetUnfolderBase]: 173/617 cut-off events. [2025-03-15 01:53:56,361 INFO L125 PetriNetUnfolderBase]: For 974/1133 co-relation queries the response was YES. [2025-03-15 01:53:56,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 617 events. 173/617 cut-off events. For 974/1133 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3858 event pairs, 22 based on Foata normal form. 40/611 useless extension candidates. Maximal degree in co-relation 2166. Up to 231 conditions per place. [2025-03-15 01:53:56,365 INFO L140 encePairwiseOnDemand]: 44/56 looper letters, 83 selfloop transitions, 65 changer transitions 15/198 dead transitions. [2025-03-15 01:53:56,365 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 198 transitions, 1852 flow [2025-03-15 01:53:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:53:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:53:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 453 transitions. [2025-03-15 01:53:56,367 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7353896103896104 [2025-03-15 01:53:56,367 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 39 predicate places. [2025-03-15 01:53:56,367 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 198 transitions, 1852 flow [2025-03-15 01:53:56,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:56,368 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:56,368 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:56,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:53:56,368 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:56,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:56,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1077059621, now seen corresponding path program 5 times [2025-03-15 01:53:56,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:56,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052722244] [2025-03-15 01:53:56,368 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:53:56,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:56,375 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:53:56,376 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:56,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:56,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052722244] [2025-03-15 01:53:56,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052722244] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:56,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:56,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:56,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363365879] [2025-03-15 01:53:56,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:56,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:56,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:56,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:56,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:56,464 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:56,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 198 transitions, 1852 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:56,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:56,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:56,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:56,726 INFO L124 PetriNetUnfolderBase]: 173/630 cut-off events. [2025-03-15 01:53:56,726 INFO L125 PetriNetUnfolderBase]: For 1563/1766 co-relation queries the response was YES. [2025-03-15 01:53:56,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2584 conditions, 630 events. 173/630 cut-off events. For 1563/1766 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3961 event pairs, 22 based on Foata normal form. 36/621 useless extension candidates. Maximal degree in co-relation 2508. Up to 235 conditions per place. [2025-03-15 01:53:56,730 INFO L140 encePairwiseOnDemand]: 45/56 looper letters, 69 selfloop transitions, 80 changer transitions 15/199 dead transitions. [2025-03-15 01:53:56,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 199 transitions, 2184 flow [2025-03-15 01:53:56,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:53:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:53:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 411 transitions. [2025-03-15 01:53:56,733 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7339285714285714 [2025-03-15 01:53:56,734 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 48 predicate places. [2025-03-15 01:53:56,734 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 199 transitions, 2184 flow [2025-03-15 01:53:56,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:56,735 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:56,735 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:56,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:53:56,735 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:56,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:56,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1026457305, now seen corresponding path program 6 times [2025-03-15 01:53:56,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:56,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780140941] [2025-03-15 01:53:56,735 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:53:56,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:56,746 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:53:56,746 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:56,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:56,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780140941] [2025-03-15 01:53:56,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780140941] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:56,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:56,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:56,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645738582] [2025-03-15 01:53:56,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:56,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:56,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:56,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:56,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:56,836 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:56,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 199 transitions, 2184 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:56,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:56,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:56,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:57,042 INFO L124 PetriNetUnfolderBase]: 134/533 cut-off events. [2025-03-15 01:53:57,042 INFO L125 PetriNetUnfolderBase]: For 1830/2068 co-relation queries the response was YES. [2025-03-15 01:53:57,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2485 conditions, 533 events. 134/533 cut-off events. For 1830/2068 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3183 event pairs, 11 based on Foata normal form. 47/543 useless extension candidates. Maximal degree in co-relation 2400. Up to 191 conditions per place. [2025-03-15 01:53:57,046 INFO L140 encePairwiseOnDemand]: 44/56 looper letters, 77 selfloop transitions, 66 changer transitions 11/189 dead transitions. [2025-03-15 01:53:57,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 189 transitions, 2344 flow [2025-03-15 01:53:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:53:57,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:53:57,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 410 transitions. [2025-03-15 01:53:57,048 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7321428571428571 [2025-03-15 01:53:57,049 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 57 predicate places. [2025-03-15 01:53:57,049 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 189 transitions, 2344 flow [2025-03-15 01:53:57,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:57,049 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:57,050 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:57,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:53:57,050 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:57,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:57,051 INFO L85 PathProgramCache]: Analyzing trace with hash 227660245, now seen corresponding path program 7 times [2025-03-15 01:53:57,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:57,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900432074] [2025-03-15 01:53:57,051 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:53:57,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:57,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:57,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900432074] [2025-03-15 01:53:57,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900432074] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:57,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:57,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:57,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470387234] [2025-03-15 01:53:57,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:57,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:57,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:57,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:57,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:57,145 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:57,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 189 transitions, 2344 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:57,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:57,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:57,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:57,382 INFO L124 PetriNetUnfolderBase]: 186/684 cut-off events. [2025-03-15 01:53:57,382 INFO L125 PetriNetUnfolderBase]: For 3409/3744 co-relation queries the response was YES. [2025-03-15 01:53:57,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3497 conditions, 684 events. 186/684 cut-off events. For 3409/3744 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4451 event pairs, 22 based on Foata normal form. 19/654 useless extension candidates. Maximal degree in co-relation 3403. Up to 259 conditions per place. [2025-03-15 01:53:57,387 INFO L140 encePairwiseOnDemand]: 45/56 looper letters, 97 selfloop transitions, 73 changer transitions 14/219 dead transitions. [2025-03-15 01:53:57,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 219 transitions, 3162 flow [2025-03-15 01:53:57,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:53:57,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:53:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 449 transitions. [2025-03-15 01:53:57,388 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7288961038961039 [2025-03-15 01:53:57,391 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 67 predicate places. [2025-03-15 01:53:57,391 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 219 transitions, 3162 flow [2025-03-15 01:53:57,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:57,391 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:57,391 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:57,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:53:57,392 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:57,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:57,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1574385955, now seen corresponding path program 8 times [2025-03-15 01:53:57,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:57,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742774126] [2025-03-15 01:53:57,392 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:53:57,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:57,403 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:53:57,404 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:57,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:57,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742774126] [2025-03-15 01:53:57,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742774126] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:57,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:57,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:57,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553030063] [2025-03-15 01:53:57,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:57,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:57,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:57,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:57,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:57,487 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:57,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 219 transitions, 3162 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:57,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:57,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:57,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:57,720 INFO L124 PetriNetUnfolderBase]: 193/711 cut-off events. [2025-03-15 01:53:57,720 INFO L125 PetriNetUnfolderBase]: For 4952/5432 co-relation queries the response was YES. [2025-03-15 01:53:57,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4016 conditions, 711 events. 193/711 cut-off events. For 4952/5432 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4734 event pairs, 22 based on Foata normal form. 49/706 useless extension candidates. Maximal degree in co-relation 3913. Up to 274 conditions per place. [2025-03-15 01:53:57,724 INFO L140 encePairwiseOnDemand]: 44/56 looper letters, 102 selfloop transitions, 78 changer transitions 14/229 dead transitions. [2025-03-15 01:53:57,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 229 transitions, 3714 flow [2025-03-15 01:53:57,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:53:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:53:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 420 transitions. [2025-03-15 01:53:57,726 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.75 [2025-03-15 01:53:57,727 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 76 predicate places. [2025-03-15 01:53:57,727 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 229 transitions, 3714 flow [2025-03-15 01:53:57,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:57,728 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:57,728 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:57,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:53:57,728 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:57,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:57,728 INFO L85 PathProgramCache]: Analyzing trace with hash 948861573, now seen corresponding path program 9 times [2025-03-15 01:53:57,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:57,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718695616] [2025-03-15 01:53:57,728 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:53:57,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:57,738 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:53:57,738 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:57,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:57,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718695616] [2025-03-15 01:53:57,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718695616] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:57,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:57,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:57,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391196981] [2025-03-15 01:53:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:57,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:57,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:57,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:57,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:57,833 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:57,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 229 transitions, 3714 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:57,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:57,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:57,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:58,090 INFO L124 PetriNetUnfolderBase]: 192/713 cut-off events. [2025-03-15 01:53:58,090 INFO L125 PetriNetUnfolderBase]: For 6233/6780 co-relation queries the response was YES. [2025-03-15 01:53:58,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4378 conditions, 713 events. 192/713 cut-off events. For 6233/6780 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4757 event pairs, 22 based on Foata normal form. 59/718 useless extension candidates. Maximal degree in co-relation 4266. Up to 276 conditions per place. [2025-03-15 01:53:58,095 INFO L140 encePairwiseOnDemand]: 45/56 looper letters, 87 selfloop transitions, 94 changer transitions 14/230 dead transitions. [2025-03-15 01:53:58,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 230 transitions, 4116 flow [2025-03-15 01:53:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:53:58,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:53:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 409 transitions. [2025-03-15 01:53:58,097 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7303571428571428 [2025-03-15 01:53:58,097 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 85 predicate places. [2025-03-15 01:53:58,097 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 230 transitions, 4116 flow [2025-03-15 01:53:58,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:58,097 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:58,097 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:58,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 01:53:58,097 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:58,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:58,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2008805095, now seen corresponding path program 10 times [2025-03-15 01:53:58,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:58,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64098815] [2025-03-15 01:53:58,098 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:53:58,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:58,104 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:53:58,104 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:58,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:58,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:58,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64098815] [2025-03-15 01:53:58,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64098815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:58,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:58,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:58,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771381701] [2025-03-15 01:53:58,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:58,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:58,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:58,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:58,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:58,178 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:58,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 230 transitions, 4116 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:58,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:58,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:58,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:58,400 INFO L124 PetriNetUnfolderBase]: 155/638 cut-off events. [2025-03-15 01:53:58,400 INFO L125 PetriNetUnfolderBase]: For 6172/6571 co-relation queries the response was YES. [2025-03-15 01:53:58,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4272 conditions, 638 events. 155/638 cut-off events. For 6172/6571 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4159 event pairs, 11 based on Foata normal form. 69/662 useless extension candidates. Maximal degree in co-relation 4151. Up to 235 conditions per place. [2025-03-15 01:53:58,404 INFO L140 encePairwiseOnDemand]: 44/56 looper letters, 98 selfloop transitions, 77 changer transitions 11/221 dead transitions. [2025-03-15 01:53:58,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 221 transitions, 4282 flow [2025-03-15 01:53:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:53:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:53:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 410 transitions. [2025-03-15 01:53:58,405 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7321428571428571 [2025-03-15 01:53:58,406 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 94 predicate places. [2025-03-15 01:53:58,406 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 221 transitions, 4282 flow [2025-03-15 01:53:58,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:58,406 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:58,406 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:58,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-15 01:53:58,406 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:58,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:58,406 INFO L85 PathProgramCache]: Analyzing trace with hash -72969129, now seen corresponding path program 11 times [2025-03-15 01:53:58,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:58,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213717238] [2025-03-15 01:53:58,407 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:53:58,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:58,414 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:53:58,414 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:58,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:58,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213717238] [2025-03-15 01:53:58,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213717238] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:58,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:58,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:58,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445210445] [2025-03-15 01:53:58,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:58,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:58,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:58,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:58,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:58,479 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:58,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 221 transitions, 4282 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:58,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:58,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:58,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:58,702 INFO L124 PetriNetUnfolderBase]: 155/630 cut-off events. [2025-03-15 01:53:58,702 INFO L125 PetriNetUnfolderBase]: For 7279/7691 co-relation queries the response was YES. [2025-03-15 01:53:58,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4581 conditions, 630 events. 155/630 cut-off events. For 7279/7691 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4103 event pairs, 11 based on Foata normal form. 44/628 useless extension candidates. Maximal degree in co-relation 4451. Up to 235 conditions per place. [2025-03-15 01:53:58,708 INFO L140 encePairwiseOnDemand]: 45/56 looper letters, 88 selfloop transitions, 88 changer transitions 11/222 dead transitions. [2025-03-15 01:53:58,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 222 transitions, 4672 flow [2025-03-15 01:53:58,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:53:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:53:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 438 transitions. [2025-03-15 01:53:58,710 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.711038961038961 [2025-03-15 01:53:58,711 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 104 predicate places. [2025-03-15 01:53:58,711 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 222 transitions, 4672 flow [2025-03-15 01:53:58,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:58,711 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:58,711 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:58,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-15 01:53:58,711 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:58,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:58,712 INFO L85 PathProgramCache]: Analyzing trace with hash -437470755, now seen corresponding path program 12 times [2025-03-15 01:53:58,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:58,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382176629] [2025-03-15 01:53:58,712 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:53:58,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:58,719 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:53:58,719 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:53:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:58,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:58,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382176629] [2025-03-15 01:53:58,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382176629] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:58,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:53:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126961929] [2025-03-15 01:53:58,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:58,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:53:58,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:58,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:53:58,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:53:58,792 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 56 [2025-03-15 01:53:58,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 222 transitions, 4672 flow. Second operand has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:58,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:58,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 56 [2025-03-15 01:53:58,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:58,993 INFO L124 PetriNetUnfolderBase]: 123/541 cut-off events. [2025-03-15 01:53:58,993 INFO L125 PetriNetUnfolderBase]: For 6571/6866 co-relation queries the response was YES. [2025-03-15 01:53:58,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4259 conditions, 541 events. 123/541 cut-off events. For 6571/6866 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3364 event pairs, 0 based on Foata normal form. 42/546 useless extension candidates. Maximal degree in co-relation 4120. Up to 191 conditions per place. [2025-03-15 01:53:58,997 INFO L140 encePairwiseOnDemand]: 44/56 looper letters, 88 selfloop transitions, 82 changer transitions 5/210 dead transitions. [2025-03-15 01:53:58,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 210 transitions, 4702 flow [2025-03-15 01:53:58,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:53:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:53:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 398 transitions. [2025-03-15 01:53:58,998 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7107142857142857 [2025-03-15 01:53:58,998 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 112 predicate places. [2025-03-15 01:53:58,998 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 210 transitions, 4702 flow [2025-03-15 01:53:58,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.142857142857146) internal successors, (253), 7 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:58,999 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:58,999 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:58,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 01:53:58,999 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:58,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:58,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1507021420, now seen corresponding path program 1 times [2025-03-15 01:53:58,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:58,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122502121] [2025-03-15 01:53:58,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:58,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:59,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:59,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122502121] [2025-03-15 01:53:59,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122502121] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:59,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:59,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:59,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309744392] [2025-03-15 01:53:59,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:59,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:59,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:59,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:59,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:59,050 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 56 [2025-03-15 01:53:59,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 210 transitions, 4702 flow. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:59,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:59,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 56 [2025-03-15 01:53:59,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:59,141 INFO L124 PetriNetUnfolderBase]: 123/515 cut-off events. [2025-03-15 01:53:59,141 INFO L125 PetriNetUnfolderBase]: For 6142/6404 co-relation queries the response was YES. [2025-03-15 01:53:59,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4454 conditions, 515 events. 123/515 cut-off events. For 6142/6404 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3085 event pairs, 0 based on Foata normal form. 4/499 useless extension candidates. Maximal degree in co-relation 4311. Up to 171 conditions per place. [2025-03-15 01:53:59,146 INFO L140 encePairwiseOnDemand]: 51/56 looper letters, 80 selfloop transitions, 3 changer transitions 5/208 dead transitions. [2025-03-15 01:53:59,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 208 transitions, 4862 flow [2025-03-15 01:53:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:53:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:53:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 181 transitions. [2025-03-15 01:53:59,148 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8080357142857143 [2025-03-15 01:53:59,148 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 113 predicate places. [2025-03-15 01:53:59,148 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 208 transitions, 4862 flow [2025-03-15 01:53:59,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:59,148 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:59,149 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:59,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-15 01:53:59,149 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:59,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:59,149 INFO L85 PathProgramCache]: Analyzing trace with hash -526976110, now seen corresponding path program 1 times [2025-03-15 01:53:59,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:59,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807967729] [2025-03-15 01:53:59,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:59,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:59,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:59,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807967729] [2025-03-15 01:53:59,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807967729] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:59,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:59,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:59,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778969855] [2025-03-15 01:53:59,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:59,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:59,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:59,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:59,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:59,198 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 56 [2025-03-15 01:53:59,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 208 transitions, 4862 flow. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:59,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:59,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 56 [2025-03-15 01:53:59,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:59,282 INFO L124 PetriNetUnfolderBase]: 123/505 cut-off events. [2025-03-15 01:53:59,282 INFO L125 PetriNetUnfolderBase]: For 6406/6655 co-relation queries the response was YES. [2025-03-15 01:53:59,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4653 conditions, 505 events. 123/505 cut-off events. For 6406/6655 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2965 event pairs, 0 based on Foata normal form. 3/507 useless extension candidates. Maximal degree in co-relation 4506. Up to 155 conditions per place. [2025-03-15 01:53:59,285 INFO L140 encePairwiseOnDemand]: 51/56 looper letters, 0 selfloop transitions, 0 changer transitions 226/226 dead transitions. [2025-03-15 01:53:59,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 226 transitions, 5654 flow [2025-03-15 01:53:59,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:53:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:53:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 181 transitions. [2025-03-15 01:53:59,286 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8080357142857143 [2025-03-15 01:53:59,288 INFO L298 CegarLoopForPetriNet]: 60 programPoint places, 114 predicate places. [2025-03-15 01:53:59,288 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 226 transitions, 5654 flow [2025-03-15 01:53:59,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:59,292 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_04-munge_nr.i_petrified1_AllErrorsAtOnce [2025-03-15 01:53:59,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2025-03-15 01:53:59,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2025-03-15 01:53:59,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-15 01:53:59,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2025-03-15 01:53:59,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2025-03-15 01:53:59,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2025-03-15 01:53:59,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2025-03-15 01:53:59,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-15 01:53:59,330 INFO L422 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1] [2025-03-15 01:53:59,334 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:53:59,334 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:53:59,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:53:59 BasicIcfg [2025-03-15 01:53:59,338 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:53:59,339 INFO L158 Benchmark]: Toolchain (without parser) took 6315.22ms. Allocated memory was 71.3MB in the beginning and 163.6MB in the end (delta: 92.3MB). Free memory was 42.6MB in the beginning and 122.3MB in the end (delta: -79.7MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB. [2025-03-15 01:53:59,339 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:53:59,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.49ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 40.7MB in the end (delta: 1.7MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. [2025-03-15 01:53:59,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.46ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 38.9MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:53:59,339 INFO L158 Benchmark]: Boogie Preprocessor took 23.24ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:53:59,340 INFO L158 Benchmark]: RCFGBuilder took 280.67ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 25.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:53:59,340 INFO L158 Benchmark]: TraceAbstraction took 5525.45ms. Allocated memory was 71.3MB in the beginning and 163.6MB in the end (delta: 92.3MB). Free memory was 24.8MB in the beginning and 122.3MB in the end (delta: -97.6MB). Peak memory consumption was 76.7MB. Max. memory is 8.0GB. [2025-03-15 01:53:59,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 441.49ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 40.7MB in the end (delta: 1.7MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.46ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 38.9MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.24ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 280.67ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 25.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5525.45ms. Allocated memory was 71.3MB in the beginning and 163.6MB in the end (delta: 92.3MB). Free memory was 24.8MB in the beginning and 122.3MB in the end (delta: -97.6MB). Peak memory consumption was 76.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 76 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.4s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 552 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 552 mSDsluCounter, 1303 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 878 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1891 IncrementalHoareTripleChecker+Invalid, 1940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 425 mSDtfsCounter, 1891 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5654occurred in iteration=15, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 503 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 1356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:53:59,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...