/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_36-trylock_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:54:15,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:54:15,458 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 01:54:15,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:54:15,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:54:15,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:54:15,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:54:15,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:54:15,485 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:54:15,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:54:15,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:54:15,485 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:54:15,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:54:15,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:15,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:54:15,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:54:15,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:54:15,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:54:15,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:54:15,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:54:15,487 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 01:54:15,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:54:15,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:54:15,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:54:15,748 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:54:15,748 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:54:15,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2025-03-15 01:54:16,989 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f311bb6bf/c06c640858244760a11b714ab49e9fd8/FLAG8434bb204 [2025-03-15 01:54:17,273 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:54:17,273 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_36-trylock_nr.i [2025-03-15 01:54:17,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f311bb6bf/c06c640858244760a11b714ab49e9fd8/FLAG8434bb204 [2025-03-15 01:54:17,312 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f311bb6bf/c06c640858244760a11b714ab49e9fd8 [2025-03-15 01:54:17,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:54:17,315 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:54:17,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:17,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:54:17,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:54:17,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:17" (1/1) ... [2025-03-15 01:54:17,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c3067b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:17, skipping insertion in model container [2025-03-15 01:54:17,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:17" (1/1) ... [2025-03-15 01:54:17,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:54:17,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:17,762 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:54:17,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:18,010 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:54:18,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18 WrapperNode [2025-03-15 01:54:18,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:18,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:18,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:54:18,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:54:18,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,073 INFO L138 Inliner]: procedures = 525, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 107 [2025-03-15 01:54:18,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:18,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:54:18,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:54:18,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:54:18,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,133 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:54:18,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:54:18,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:54:18,154 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:54:18,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (1/1) ... [2025-03-15 01:54:18,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:18,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:18,205 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 01:54:18,207 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 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2025-03-15 01:54:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2025-03-15 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2025-03-15 01:54:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2025-03-15 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:54:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2025-03-15 01:54:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:54:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:54:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:54:18,228 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 01:54:18,402 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:54:18,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:54:18,637 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:54:18,637 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:54:18,653 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:54:18,653 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2025-03-15 01:54:18,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:18 BoogieIcfgContainer [2025-03-15 01:54:18,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:54:18,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:54:18,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:54:18,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:54:18,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:54:17" (1/3) ... [2025-03-15 01:54:18,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea9e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:18, skipping insertion in model container [2025-03-15 01:54:18,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:18" (2/3) ... [2025-03-15 01:54:18,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea9e323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:18, skipping insertion in model container [2025-03-15 01:54:18,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:18" (3/3) ... [2025-03-15 01:54:18,663 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_36-trylock_nr.i [2025-03-15 01:54:18,673 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:54:18,675 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_36-trylock_nr.i that has 3 procedures, 207 locations, 1 initial locations, 11 loop locations, and 10 error locations. [2025-03-15 01:54:18,675 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:54:18,753 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 01:54:18,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:54:18,804 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;@6e9652c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:54:18,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:54:18,831 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:54:18,831 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-03-15 01:54:18,836 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:54:18,837 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:18,837 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 01:54:18,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:18,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:18,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1454302362, now seen corresponding path program 1 times [2025-03-15 01:54:18,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:18,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005425950] [2025-03-15 01:54:18,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:19,177 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 01:54:19,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:19,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005425950] [2025-03-15 01:54:19,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005425950] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:19,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:19,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:19,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835366470] [2025-03-15 01:54:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:19,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:19,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:19,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:19,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:19,212 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 245 [2025-03-15 01:54:19,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 245 transitions, 504 flow. Second operand has 4 states, 4 states have (on average 199.75) internal successors, (799), 4 states have internal predecessors, (799), 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 01:54:19,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:19,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 245 [2025-03-15 01:54:19,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:19,382 INFO L124 PetriNetUnfolderBase]: 33/384 cut-off events. [2025-03-15 01:54:19,382 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-03-15 01:54:19,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 384 events. 33/384 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1778 event pairs, 8 based on Foata normal form. 66/392 useless extension candidates. Maximal degree in co-relation 315. Up to 31 conditions per place. [2025-03-15 01:54:19,394 INFO L140 encePairwiseOnDemand]: 222/245 looper letters, 14 selfloop transitions, 3 changer transitions 20/208 dead transitions. [2025-03-15 01:54:19,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 208 transitions, 468 flow [2025-03-15 01:54:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:19,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1029 transitions. [2025-03-15 01:54:19,409 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.84 [2025-03-15 01:54:19,413 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, -7 predicate places. [2025-03-15 01:54:19,413 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 208 transitions, 468 flow [2025-03-15 01:54:19,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 199.75) internal successors, (799), 4 states have internal predecessors, (799), 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 01:54:19,414 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:19,414 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] [2025-03-15 01:54:19,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:54:19,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:19,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:19,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2133700801, now seen corresponding path program 1 times [2025-03-15 01:54:19,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:19,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441966315] [2025-03-15 01:54:19,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:19,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:19,518 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 01:54:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:19,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441966315] [2025-03-15 01:54:19,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441966315] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:19,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:19,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:54:19,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970706978] [2025-03-15 01:54:19,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:19,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:54:19,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:19,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:54:19,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:54:19,521 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 245 [2025-03-15 01:54:19,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 208 transitions, 468 flow. Second operand has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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 01:54:19,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:19,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 245 [2025-03-15 01:54:19,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:19,598 INFO L124 PetriNetUnfolderBase]: 33/385 cut-off events. [2025-03-15 01:54:19,598 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2025-03-15 01:54:19,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 385 events. 33/385 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1796 event pairs, 8 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 332. Up to 30 conditions per place. [2025-03-15 01:54:19,604 INFO L140 encePairwiseOnDemand]: 242/245 looper letters, 12 selfloop transitions, 1 changer transitions 21/208 dead transitions. [2025-03-15 01:54:19,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 208 transitions, 502 flow [2025-03-15 01:54:19,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:54:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:54:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 621 transitions. [2025-03-15 01:54:19,606 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8448979591836735 [2025-03-15 01:54:19,607 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2025-03-15 01:54:19,607 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 208 transitions, 502 flow [2025-03-15 01:54:19,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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 01:54:19,607 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:19,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:19,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:54:19,607 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:19,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1687596569, now seen corresponding path program 1 times [2025-03-15 01:54:19,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:19,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571129691] [2025-03-15 01:54:19,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:19,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:19,822 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 01:54:19,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:19,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571129691] [2025-03-15 01:54:19,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571129691] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:19,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:19,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:19,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868608552] [2025-03-15 01:54:19,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:19,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:19,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:19,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:19,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:19,824 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:19,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 208 transitions, 502 flow. Second operand has 4 states, 4 states have (on average 201.25) internal successors, (805), 4 states have internal predecessors, (805), 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 01:54:19,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:19,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:19,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:20,081 INFO L124 PetriNetUnfolderBase]: 207/1441 cut-off events. [2025-03-15 01:54:20,081 INFO L125 PetriNetUnfolderBase]: For 497/497 co-relation queries the response was YES. [2025-03-15 01:54:20,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2056 conditions, 1441 events. 207/1441 cut-off events. For 497/497 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 10475 event pairs, 20 based on Foata normal form. 0/1201 useless extension candidates. Maximal degree in co-relation 1566. Up to 143 conditions per place. [2025-03-15 01:54:20,096 INFO L140 encePairwiseOnDemand]: 238/245 looper letters, 42 selfloop transitions, 4 changer transitions 23/238 dead transitions. [2025-03-15 01:54:20,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 238 transitions, 749 flow [2025-03-15 01:54:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1055 transitions. [2025-03-15 01:54:20,098 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8612244897959184 [2025-03-15 01:54:20,099 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, -2 predicate places. [2025-03-15 01:54:20,099 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 238 transitions, 749 flow [2025-03-15 01:54:20,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 201.25) internal successors, (805), 4 states have internal predecessors, (805), 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 01:54:20,099 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:20,100 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:20,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:54:20,100 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:20,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:20,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1066907103, now seen corresponding path program 1 times [2025-03-15 01:54:20,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:20,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782872546] [2025-03-15 01:54:20,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:20,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:20,216 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 01:54:20,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:20,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782872546] [2025-03-15 01:54:20,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782872546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:20,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:20,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518283712] [2025-03-15 01:54:20,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:20,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:20,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:20,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:20,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:20,219 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:20,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 238 transitions, 749 flow. Second operand has 4 states, 4 states have (on average 201.75) internal successors, (807), 4 states have internal predecessors, (807), 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 01:54:20,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:20,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:20,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:20,480 INFO L124 PetriNetUnfolderBase]: 315/1555 cut-off events. [2025-03-15 01:54:20,480 INFO L125 PetriNetUnfolderBase]: For 1543/1560 co-relation queries the response was YES. [2025-03-15 01:54:20,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2984 conditions, 1555 events. 315/1555 cut-off events. For 1543/1560 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 11916 event pairs, 18 based on Foata normal form. 3/1312 useless extension candidates. Maximal degree in co-relation 2497. Up to 286 conditions per place. [2025-03-15 01:54:20,493 INFO L140 encePairwiseOnDemand]: 238/245 looper letters, 55 selfloop transitions, 4 changer transitions 23/264 dead transitions. [2025-03-15 01:54:20,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 264 transitions, 1066 flow [2025-03-15 01:54:20,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1037 transitions. [2025-03-15 01:54:20,495 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.846530612244898 [2025-03-15 01:54:20,496 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 2 predicate places. [2025-03-15 01:54:20,496 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 264 transitions, 1066 flow [2025-03-15 01:54:20,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 201.75) internal successors, (807), 4 states have internal predecessors, (807), 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 01:54:20,496 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:20,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:20,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:54:20,496 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:20,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:20,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1213045545, now seen corresponding path program 1 times [2025-03-15 01:54:20,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:20,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058682122] [2025-03-15 01:54:20,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:20,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:20,598 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 01:54:20,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:20,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058682122] [2025-03-15 01:54:20,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058682122] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:20,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:20,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:20,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016519748] [2025-03-15 01:54:20,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:20,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:20,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:20,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:20,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:20,601 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 245 [2025-03-15 01:54:20,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 264 transitions, 1066 flow. Second operand has 4 states, 4 states have (on average 205.5) internal successors, (822), 4 states have internal predecessors, (822), 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 01:54:20,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:20,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 245 [2025-03-15 01:54:20,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:21,172 INFO L124 PetriNetUnfolderBase]: 916/4393 cut-off events. [2025-03-15 01:54:21,173 INFO L125 PetriNetUnfolderBase]: For 8406/8762 co-relation queries the response was YES. [2025-03-15 01:54:21,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8875 conditions, 4393 events. 916/4393 cut-off events. For 8406/8762 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 42177 event pairs, 70 based on Foata normal form. 73/3685 useless extension candidates. Maximal degree in co-relation 7950. Up to 779 conditions per place. [2025-03-15 01:54:21,250 INFO L140 encePairwiseOnDemand]: 240/245 looper letters, 118 selfloop transitions, 4 changer transitions 29/343 dead transitions. [2025-03-15 01:54:21,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 343 transitions, 2123 flow [2025-03-15 01:54:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1057 transitions. [2025-03-15 01:54:21,253 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8628571428571429 [2025-03-15 01:54:21,258 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 6 predicate places. [2025-03-15 01:54:21,258 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 343 transitions, 2123 flow [2025-03-15 01:54:21,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 205.5) internal successors, (822), 4 states have internal predecessors, (822), 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 01:54:21,259 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:21,260 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:21,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:54:21,260 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:21,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:21,260 INFO L85 PathProgramCache]: Analyzing trace with hash -712385117, now seen corresponding path program 1 times [2025-03-15 01:54:21,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:21,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663655276] [2025-03-15 01:54:21,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:21,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:21,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:21,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663655276] [2025-03-15 01:54:21,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663655276] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:21,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003440160] [2025-03-15 01:54:21,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:21,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:21,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:21,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:21,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-15 01:54:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:21,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-15 01:54:21,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:21,670 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:54:21,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003440160] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:21,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:54:21,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-03-15 01:54:21,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014801830] [2025-03-15 01:54:21,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:21,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:54:21,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:21,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:54:21,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:54:21,673 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:21,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 343 transitions, 2123 flow. Second operand has 5 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 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 01:54:21,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:21,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:21,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:22,264 INFO L124 PetriNetUnfolderBase]: 811/4029 cut-off events. [2025-03-15 01:54:22,264 INFO L125 PetriNetUnfolderBase]: For 10995/11589 co-relation queries the response was YES. [2025-03-15 01:54:22,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9179 conditions, 4029 events. 811/4029 cut-off events. For 10995/11589 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 37826 event pairs, 67 based on Foata normal form. 63/3461 useless extension candidates. Maximal degree in co-relation 8194. Up to 925 conditions per place. [2025-03-15 01:54:22,313 INFO L140 encePairwiseOnDemand]: 241/245 looper letters, 129 selfloop transitions, 2 changer transitions 29/340 dead transitions. [2025-03-15 01:54:22,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 340 transitions, 2391 flow [2025-03-15 01:54:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:54:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:54:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 828 transitions. [2025-03-15 01:54:22,317 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8448979591836735 [2025-03-15 01:54:22,317 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 7 predicate places. [2025-03-15 01:54:22,317 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 340 transitions, 2391 flow [2025-03-15 01:54:22,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 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 01:54:22,318 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:22,318 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:22,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-15 01:54:22,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-15 01:54:22,519 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:22,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:22,520 INFO L85 PathProgramCache]: Analyzing trace with hash -609101346, now seen corresponding path program 1 times [2025-03-15 01:54:22,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:22,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971957415] [2025-03-15 01:54:22,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:22,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:22,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:22,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971957415] [2025-03-15 01:54:22,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971957415] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:22,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86324819] [2025-03-15 01:54:22,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:22,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:22,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:22,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:22,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-15 01:54:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:22,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:54:22,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:22,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:54:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:22,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86324819] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:54:22,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:54:22,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-15 01:54:22,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300489999] [2025-03-15 01:54:22,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:54:22,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-15 01:54:22,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:22,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-15 01:54:22,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-15 01:54:22,867 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:22,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 340 transitions, 2391 flow. Second operand has 12 states, 12 states have (on average 202.25) internal successors, (2427), 12 states have internal predecessors, (2427), 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 01:54:22,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:22,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:22,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:24,061 INFO L124 PetriNetUnfolderBase]: 1554/7109 cut-off events. [2025-03-15 01:54:24,061 INFO L125 PetriNetUnfolderBase]: For 28887/30693 co-relation queries the response was YES. [2025-03-15 01:54:24,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19260 conditions, 7109 events. 1554/7109 cut-off events. For 28887/30693 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 74802 event pairs, 103 based on Foata normal form. 173/6284 useless extension candidates. Maximal degree in co-relation 17213. Up to 1954 conditions per place. [2025-03-15 01:54:24,189 INFO L140 encePairwiseOnDemand]: 239/245 looper letters, 279 selfloop transitions, 11 changer transitions 35/505 dead transitions. [2025-03-15 01:54:24,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 505 transitions, 5217 flow [2025-03-15 01:54:24,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:54:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:54:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2303 transitions. [2025-03-15 01:54:24,195 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8545454545454545 [2025-03-15 01:54:24,197 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 17 predicate places. [2025-03-15 01:54:24,197 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 505 transitions, 5217 flow [2025-03-15 01:54:24,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 202.25) internal successors, (2427), 12 states have internal predecessors, (2427), 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 01:54:24,198 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:24,199 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:24,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-15 01:54:24,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-15 01:54:24,403 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:24,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash 499426475, now seen corresponding path program 1 times [2025-03-15 01:54:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:24,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681476816] [2025-03-15 01:54:24,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:24,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:24,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681476816] [2025-03-15 01:54:24,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681476816] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:24,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682008713] [2025-03-15 01:54:24,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:24,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:24,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:24,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:24,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-15 01:54:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:24,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:54:24,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:24,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:54:24,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682008713] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:24,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:54:24,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 01:54:24,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175681489] [2025-03-15 01:54:24,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:24,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:24,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:24,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:24,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 01:54:24,624 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:24,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 505 transitions, 5217 flow. Second operand has 6 states, 6 states have (on average 202.16666666666666) internal successors, (1213), 6 states have internal predecessors, (1213), 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 01:54:24,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:24,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:24,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:25,544 INFO L124 PetriNetUnfolderBase]: 1532/7042 cut-off events. [2025-03-15 01:54:25,544 INFO L125 PetriNetUnfolderBase]: For 34465/36753 co-relation queries the response was YES. [2025-03-15 01:54:25,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20932 conditions, 7042 events. 1532/7042 cut-off events. For 34465/36753 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 73753 event pairs, 103 based on Foata normal form. 237/6327 useless extension candidates. Maximal degree in co-relation 18738. Up to 1933 conditions per place. [2025-03-15 01:54:25,612 INFO L140 encePairwiseOnDemand]: 240/245 looper letters, 277 selfloop transitions, 7 changer transitions 35/526 dead transitions. [2025-03-15 01:54:25,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 526 transitions, 6160 flow [2025-03-15 01:54:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:54:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:54:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1444 transitions. [2025-03-15 01:54:25,615 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8419825072886298 [2025-03-15 01:54:25,615 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 22 predicate places. [2025-03-15 01:54:25,616 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 526 transitions, 6160 flow [2025-03-15 01:54:25,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.16666666666666) internal successors, (1213), 6 states have internal predecessors, (1213), 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 01:54:25,616 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:25,616 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:25,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-15 01:54:25,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:25,817 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:25,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:25,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1697647640, now seen corresponding path program 1 times [2025-03-15 01:54:25,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:25,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336197314] [2025-03-15 01:54:25,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:54:25,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:25,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336197314] [2025-03-15 01:54:25,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336197314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:25,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:25,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:25,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812555359] [2025-03-15 01:54:25,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:25,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:25,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:25,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:25,863 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:25,863 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:25,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 526 transitions, 6160 flow. Second operand has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 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 01:54:25,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:25,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:25,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:26,664 INFO L124 PetriNetUnfolderBase]: 1512/6966 cut-off events. [2025-03-15 01:54:26,664 INFO L125 PetriNetUnfolderBase]: For 38935/40846 co-relation queries the response was YES. [2025-03-15 01:54:26,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22463 conditions, 6966 events. 1512/6966 cut-off events. For 38935/40846 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 72498 event pairs, 97 based on Foata normal form. 228/6287 useless extension candidates. Maximal degree in co-relation 20134. Up to 1912 conditions per place. [2025-03-15 01:54:26,730 INFO L140 encePairwiseOnDemand]: 239/245 looper letters, 323 selfloop transitions, 9 changer transitions 35/574 dead transitions. [2025-03-15 01:54:26,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 574 transitions, 7751 flow [2025-03-15 01:54:26,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1028 transitions. [2025-03-15 01:54:26,733 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8391836734693877 [2025-03-15 01:54:26,733 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 25 predicate places. [2025-03-15 01:54:26,734 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 574 transitions, 7751 flow [2025-03-15 01:54:26,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 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 01:54:26,734 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:26,734 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:26,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:54:26,734 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:26,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:26,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1771232094, now seen corresponding path program 1 times [2025-03-15 01:54:26,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:26,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953094567] [2025-03-15 01:54:26,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:26,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:26,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:26,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953094567] [2025-03-15 01:54:26,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953094567] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:26,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621302272] [2025-03-15 01:54:26,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:26,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:26,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:26,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:26,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-15 01:54:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:26,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:54:26,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:26,960 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:54:26,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621302272] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:26,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:54:26,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 01:54:26,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957869197] [2025-03-15 01:54:26,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:26,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:26,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:26,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:26,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 01:54:26,962 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 245 [2025-03-15 01:54:26,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 574 transitions, 7751 flow. Second operand has 6 states, 6 states have (on average 205.83333333333334) internal successors, (1235), 6 states have internal predecessors, (1235), 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 01:54:26,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:26,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 245 [2025-03-15 01:54:26,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:27,990 INFO L124 PetriNetUnfolderBase]: 1491/6693 cut-off events. [2025-03-15 01:54:27,990 INFO L125 PetriNetUnfolderBase]: For 53689/58219 co-relation queries the response was YES. [2025-03-15 01:54:28,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23115 conditions, 6693 events. 1491/6693 cut-off events. For 53689/58219 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 69445 event pairs, 28 based on Foata normal form. 712/6541 useless extension candidates. Maximal degree in co-relation 20661. Up to 1873 conditions per place. [2025-03-15 01:54:28,105 INFO L140 encePairwiseOnDemand]: 241/245 looper letters, 337 selfloop transitions, 4 changer transitions 35/587 dead transitions. [2025-03-15 01:54:28,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 587 transitions, 8754 flow [2025-03-15 01:54:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:54:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:54:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1262 transitions. [2025-03-15 01:54:28,110 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8585034013605443 [2025-03-15 01:54:28,111 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 29 predicate places. [2025-03-15 01:54:28,111 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 587 transitions, 8754 flow [2025-03-15 01:54:28,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.83333333333334) internal successors, (1235), 6 states have internal predecessors, (1235), 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 01:54:28,112 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:28,113 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:28,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-15 01:54:28,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:28,313 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:28,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:28,314 INFO L85 PathProgramCache]: Analyzing trace with hash -926379202, now seen corresponding path program 1 times [2025-03-15 01:54:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409923905] [2025-03-15 01:54:28,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:28,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:28,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409923905] [2025-03-15 01:54:28,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409923905] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:28,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651262941] [2025-03-15 01:54:28,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:28,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:28,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:28,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:28,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-15 01:54:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:28,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:54:28,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:28,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:54:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:28,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651262941] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:54:28,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:54:28,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-15 01:54:28,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073499315] [2025-03-15 01:54:28,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:54:28,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-15 01:54:28,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:28,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-15 01:54:28,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-15 01:54:28,622 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 245 [2025-03-15 01:54:28,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 587 transitions, 8754 flow. Second operand has 12 states, 12 states have (on average 206.33333333333334) internal successors, (2476), 12 states have internal predecessors, (2476), 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 01:54:28,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:28,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 245 [2025-03-15 01:54:28,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:30,030 INFO L124 PetriNetUnfolderBase]: 2434/10783 cut-off events. [2025-03-15 01:54:30,030 INFO L125 PetriNetUnfolderBase]: For 103354/114160 co-relation queries the response was YES. [2025-03-15 01:54:30,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39505 conditions, 10783 events. 2434/10783 cut-off events. For 103354/114160 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 119167 event pairs, 53 based on Foata normal form. 891/10287 useless extension candidates. Maximal degree in co-relation 36608. Up to 3033 conditions per place. [2025-03-15 01:54:30,177 INFO L140 encePairwiseOnDemand]: 240/245 looper letters, 573 selfloop transitions, 11 changer transitions 45/840 dead transitions. [2025-03-15 01:54:30,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 840 transitions, 15482 flow [2025-03-15 01:54:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:54:30,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:54:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2316 transitions. [2025-03-15 01:54:30,180 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.859369202226345 [2025-03-15 01:54:30,181 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 39 predicate places. [2025-03-15 01:54:30,181 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 840 transitions, 15482 flow [2025-03-15 01:54:30,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 206.33333333333334) internal successors, (2476), 12 states have internal predecessors, (2476), 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 01:54:30,182 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:30,183 INFO L221 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:30,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-15 01:54:30,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-15 01:54:30,384 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:30,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:30,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1689164288, now seen corresponding path program 2 times [2025-03-15 01:54:30,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:30,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166694982] [2025-03-15 01:54:30,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:54:30,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:30,406 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:54:30,407 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:30,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:30,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166694982] [2025-03-15 01:54:30,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166694982] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:30,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139607864] [2025-03-15 01:54:30,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:54:30,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:30,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:30,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:30,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-15 01:54:30,743 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:54:30,744 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:30,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-15 01:54:30,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:30,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:54:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:31,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139607864] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:54:31,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:54:31,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2025-03-15 01:54:31,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078679386] [2025-03-15 01:54:31,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:54:31,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-15 01:54:31,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:31,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-15 01:54:31,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-03-15 01:54:31,036 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:31,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 840 transitions, 15482 flow. Second operand has 24 states, 24 states have (on average 202.125) internal successors, (4851), 24 states have internal predecessors, (4851), 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 01:54:31,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:31,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:31,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:35,937 INFO L124 PetriNetUnfolderBase]: 5619/24754 cut-off events. [2025-03-15 01:54:35,937 INFO L125 PetriNetUnfolderBase]: For 257127/276501 co-relation queries the response was YES. [2025-03-15 01:54:36,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99423 conditions, 24754 events. 5619/24754 cut-off events. For 257127/276501 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 302363 event pairs, 67 based on Foata normal form. 1185/23035 useless extension candidates. Maximal degree in co-relation 92352. Up to 7125 conditions per place. [2025-03-15 01:54:36,485 INFO L140 encePairwiseOnDemand]: 239/245 looper letters, 1567 selfloop transitions, 23 changer transitions 75/1854 dead transitions. [2025-03-15 01:54:36,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 1854 transitions, 42634 flow [2025-03-15 01:54:36,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-15 01:54:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-15 01:54:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 4820 transitions. [2025-03-15 01:54:36,495 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8553682342502218 [2025-03-15 01:54:36,495 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 61 predicate places. [2025-03-15 01:54:36,495 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 1854 transitions, 42634 flow [2025-03-15 01:54:36,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 202.125) internal successors, (4851), 24 states have internal predecessors, (4851), 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 01:54:36,497 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:36,498 INFO L221 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:36,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-15 01:54:36,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:36,698 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:36,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:36,699 INFO L85 PathProgramCache]: Analyzing trace with hash 2066890899, now seen corresponding path program 2 times [2025-03-15 01:54:36,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:36,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201748261] [2025-03-15 01:54:36,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:54:36,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:36,734 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:54:36,734 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:37,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:37,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201748261] [2025-03-15 01:54:37,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201748261] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:37,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964444975] [2025-03-15 01:54:37,223 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:54:37,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:37,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:37,225 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:37,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-15 01:54:37,310 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:54:37,310 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:37,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-15 01:54:37,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:37,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:54:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:37,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964444975] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:54:37,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:54:37,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2025-03-15 01:54:37,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024815692] [2025-03-15 01:54:37,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:54:37,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-15 01:54:37,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:37,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-15 01:54:37,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-03-15 01:54:37,557 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 245 [2025-03-15 01:54:37,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 1854 transitions, 42634 flow. Second operand has 24 states, 24 states have (on average 206.41666666666666) internal successors, (4954), 24 states have internal predecessors, (4954), 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 01:54:37,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:37,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 245 [2025-03-15 01:54:37,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:50,681 INFO L124 PetriNetUnfolderBase]: 11914/52415 cut-off events. [2025-03-15 01:54:50,681 INFO L125 PetriNetUnfolderBase]: For 672323/743371 co-relation queries the response was YES. [2025-03-15 01:54:51,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219663 conditions, 52415 events. 11914/52415 cut-off events. For 672323/743371 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 691044 event pairs, 115 based on Foata normal form. 5584/52022 useless extension candidates. Maximal degree in co-relation 210035. Up to 15099 conditions per place. [2025-03-15 01:54:52,012 INFO L140 encePairwiseOnDemand]: 240/245 looper letters, 3321 selfloop transitions, 23 changer transitions 141/3756 dead transitions. [2025-03-15 01:54:52,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 3756 transitions, 99376 flow [2025-03-15 01:54:52,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-15 01:54:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-15 01:54:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 4845 transitions. [2025-03-15 01:54:52,018 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8598047914818101 [2025-03-15 01:54:52,018 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 83 predicate places. [2025-03-15 01:54:52,019 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 3756 transitions, 99376 flow [2025-03-15 01:54:52,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 206.41666666666666) internal successors, (4954), 24 states have internal predecessors, (4954), 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 01:54:52,020 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:52,020 INFO L221 CegarLoopForPetriNet]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:52,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-15 01:54:52,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:52,224 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:54:52,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash -322829372, now seen corresponding path program 3 times [2025-03-15 01:54:52,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:52,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398399830] [2025-03-15 01:54:52,225 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:54:52,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:52,276 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-15 01:54:52,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:52,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:52,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398399830] [2025-03-15 01:54:52,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398399830] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:52,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190385213] [2025-03-15 01:54:52,963 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:54:52,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:52,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:52,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:52,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-15 01:54:53,051 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-15 01:54:53,051 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:53,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-15 01:54:53,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:53,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:54:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:53,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190385213] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:54:53,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:54:53,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2025-03-15 01:54:53,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508358065] [2025-03-15 01:54:53,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:54:53,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-03-15 01:54:53,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:53,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-03-15 01:54:53,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2025-03-15 01:54:53,695 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:54:53,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 3756 transitions, 99376 flow. Second operand has 48 states, 48 states have (on average 202.0625) internal successors, (9699), 48 states have internal predecessors, (9699), 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 01:54:53,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:53,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:54:53,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:46,002 INFO L124 PetriNetUnfolderBase]: 25431/111540 cut-off events. [2025-03-15 01:55:46,003 INFO L125 PetriNetUnfolderBase]: For 1624484/1754117 co-relation queries the response was YES. [2025-03-15 01:55:47,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 502833 conditions, 111540 events. 25431/111540 cut-off events. For 1624484/1754117 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 1569504 event pairs, 155 based on Foata normal form. 6897/106239 useless extension candidates. Maximal degree in co-relation 481399. Up to 32427 conditions per place. [2025-03-15 01:55:48,894 INFO L140 encePairwiseOnDemand]: 239/245 looper letters, 7555 selfloop transitions, 47 changer transitions 273/8088 dead transitions. [2025-03-15 01:55:48,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 8088 transitions, 236058 flow [2025-03-15 01:55:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-15 01:55:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2025-03-15 01:55:48,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 9854 transitions. [2025-03-15 01:55:48,899 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8557533651758575 [2025-03-15 01:55:48,899 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 129 predicate places. [2025-03-15 01:55:48,900 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 8088 transitions, 236058 flow [2025-03-15 01:55:48,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 202.0625) internal successors, (9699), 48 states have internal predecessors, (9699), 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 01:55:48,902 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:48,902 INFO L221 CegarLoopForPetriNet]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:48,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-15 01:55:49,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-15 01:55:49,104 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:55:49,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:49,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2105735731, now seen corresponding path program 3 times [2025-03-15 01:55:49,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:49,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004974711] [2025-03-15 01:55:49,105 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:55:49,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:49,157 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-15 01:55:49,158 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:49,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:49,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004974711] [2025-03-15 01:55:49,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004974711] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:55:49,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147663676] [2025-03-15 01:55:49,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:55:49,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:49,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:55:49,865 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:55:49,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-15 01:55:49,964 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-15 01:55:49,964 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:49,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-15 01:55:49,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:55:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:50,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:55:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:50,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147663676] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:55:50,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:55:50,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2025-03-15 01:55:50,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261765848] [2025-03-15 01:55:50,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:55:50,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-03-15 01:55:50,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:50,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-03-15 01:55:50,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2025-03-15 01:55:50,530 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 245 [2025-03-15 01:55:50,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 8088 transitions, 236058 flow. Second operand has 48 states, 48 states have (on average 206.45833333333334) internal successors, (9910), 48 states have internal predecessors, (9910), 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 01:55:50,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:50,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 245 [2025-03-15 01:55:50,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:17,947 INFO L124 PetriNetUnfolderBase]: 52269/229210 cut-off events. [2025-03-15 01:59:17,947 INFO L125 PetriNetUnfolderBase]: For 4058053/4458782 co-relation queries the response was YES. [2025-03-15 01:59:21,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1075962 conditions, 229210 events. 52269/229210 cut-off events. For 4058053/4458782 co-relation queries the response was YES. Maximal size of possible extension queue 1270. Compared 3423973 event pairs, 247 based on Foata normal form. 28846/233384 useless extension candidates. Maximal degree in co-relation 1043781. Up to 66663 conditions per place. [2025-03-15 01:59:23,524 INFO L140 encePairwiseOnDemand]: 240/245 looper letters, 15513 selfloop transitions, 47 changer transitions 549/16500 dead transitions. [2025-03-15 01:59:23,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 16500 transitions, 522948 flow [2025-03-15 01:59:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-15 01:59:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2025-03-15 01:59:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 9903 transitions. [2025-03-15 01:59:23,547 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8600086843247937 [2025-03-15 01:59:23,548 INFO L298 CegarLoopForPetriNet]: 213 programPoint places, 175 predicate places. [2025-03-15 01:59:23,548 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 16500 transitions, 522948 flow [2025-03-15 01:59:23,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 206.45833333333334) internal successors, (9910), 48 states have internal predecessors, (9910), 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 01:59:23,559 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:23,560 INFO L221 CegarLoopForPetriNet]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:59:23,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-15 01:59:23,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-15 01:59:23,764 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-03-15 01:59:23,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:23,770 INFO L85 PathProgramCache]: Analyzing trace with hash -721158836, now seen corresponding path program 4 times [2025-03-15 01:59:23,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:23,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430611587] [2025-03-15 01:59:23,770 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:59:23,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:24,055 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:59:24,056 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:26,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 2398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:59:26,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:26,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430611587] [2025-03-15 01:59:26,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430611587] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:59:26,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607585348] [2025-03-15 01:59:26,230 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:59:26,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:59:26,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:59:26,235 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:59:26,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-15 01:59:26,438 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:59:26,438 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:26,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-03-15 01:59:26,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:59:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 2398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:59:26,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:59:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 2398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:59:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607585348] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:59:28,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:59:28,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2025-03-15 01:59:28,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420837609] [2025-03-15 01:59:28,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:59:28,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-15 01:59:28,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:28,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-15 01:59:28,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2025-03-15 01:59:28,652 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 245 [2025-03-15 01:59:28,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 16500 transitions, 522948 flow. Second operand has 96 states, 96 states have (on average 202.03125) internal successors, (19395), 96 states have internal predecessors, (19395), 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 01:59:28,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:28,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 245 [2025-03-15 01:59:28,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2025-03-15 02:07:14,434 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 02:07:14,434 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 02:07:15,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-15 02:07:15,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2025-03-15 02:07:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-15 02:07:17,586 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 02:07:17,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-15 02:07:17,586 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). [2025-03-15 02:07:17,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 02:07:17,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 02:07:17,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 02:07:17,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 02:07:17,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location monitor_threadErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 02:07:17,595 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 02:07:17,596 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 02:07:17,596 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location counter_threadErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 02:07:17,596 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:07:17,611 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:07:17,611 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:07:17,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:07:17 BasicIcfg [2025-03-15 02:07:17,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:07:17,632 INFO L158 Benchmark]: Toolchain (without parser) took 780314.31ms. Allocated memory was 71.3MB in the beginning and 5.1GB in the end (delta: 5.0GB). Free memory was 40.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2025-03-15 02:07:17,632 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:07:17,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.66ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 20.2MB in the end (delta: 19.9MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2025-03-15 02:07:17,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.98ms. Allocated memory is still 71.3MB. Free memory was 20.2MB in the beginning and 17.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:07:17,633 INFO L158 Benchmark]: Boogie Preprocessor took 79.08ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 17.3MB in the beginning and 81.3MB in the end (delta: -64.1MB). Peak memory consumption was 179.4kB. Max. memory is 8.0GB. [2025-03-15 02:07:17,634 INFO L158 Benchmark]: RCFGBuilder took 500.33ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 54.5MB in the end (delta: 26.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-03-15 02:07:17,634 INFO L158 Benchmark]: TraceAbstraction took 778972.76ms. Allocated memory was 117.4MB in the beginning and 5.1GB in the end (delta: 5.0GB). Free memory was 53.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2025-03-15 02:07:17,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 694.66ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 20.2MB in the end (delta: 19.9MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.98ms. Allocated memory is still 71.3MB. Free memory was 20.2MB in the beginning and 17.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 79.08ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 17.3MB in the beginning and 81.3MB in the end (delta: -64.1MB). Peak memory consumption was 179.4kB. Max. memory is 8.0GB. * RCFGBuilder took 500.33ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 54.5MB in the end (delta: 26.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 778972.76ms. Allocated memory was 117.4MB in the beginning and 5.1GB in the end (delta: 5.0GB). Free memory was 53.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1808]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1830]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1825]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1830]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1825]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1808]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1807]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1807]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1843]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1843]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1844]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - TimeoutResultAtElement [Line: 1847]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (96states, 200/245 universal loopers) in iteration 16,while PetriNetUnfolder was constructing finite prefix that currently has 1032027 conditions, 205022 events (46686/205021 cut-off events. For 4192173/4498649 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 3215149 event pairs, 82 based on Foata normal form. 17383/202359 useless extension candidates. Maximal degree in co-relation 992995. Up to 59559 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 319 locations, 20 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: 778.8s, OverallIterations: 16, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 765.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9016 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9016 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3501 IncrementalHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 54 mSDtfsCounter, 3501 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2363 GetRequests, 1857 SyntacticMatches, 0 SemanticMatches, 506 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10760 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=522948occurred in iteration=15, InterpolantAutomatonStates: 207, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 2429 NumberOfCodeBlocks, 2429 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 3304 ConstructedInterpolants, 0 QuantifiedInterpolants, 8208 SizeOfPredicates, 119 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 33 InterpolantComputations, 9 PerfectInterpolantSequences, 29/11483 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown