/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_15-funarg_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:54:01,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:54:01,654 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 01:54:01,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:54:01,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:54:01,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:54:01,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:54:01,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:54:01,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:01,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:54:01,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:54:01,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:54:01,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:54:01,680 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:54:01,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:54:01,680 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 01:54:01,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:54:01,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:54:01,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:54:01,939 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:54:01,940 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:54:01,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2025-03-15 01:54:03,160 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574bc9845/c9c230b90526437fa214c6e916a1c110/FLAG95c660c57 [2025-03-15 01:54:03,374 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:54:03,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_15-funarg_nr.i [2025-03-15 01:54:03,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574bc9845/c9c230b90526437fa214c6e916a1c110/FLAG95c660c57 [2025-03-15 01:54:03,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/574bc9845/c9c230b90526437fa214c6e916a1c110 [2025-03-15 01:54:03,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:54:03,709 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:54:03,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:03,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:54:03,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:54:03,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:03" (1/1) ... [2025-03-15 01:54:03,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd52448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:03, skipping insertion in model container [2025-03-15 01:54:03,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:03" (1/1) ... [2025-03-15 01:54:03,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:54:03,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:04,009 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:54:04,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:04,112 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:54:04,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04 WrapperNode [2025-03-15 01:54:04,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:04,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:04,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:54:04,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:54:04,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,156 INFO L138 Inliner]: procedures = 263, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 154 [2025-03-15 01:54:04,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:04,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:54:04,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:54:04,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:54:04,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:54:04,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:54:04,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:54:04,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:54:04,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (1/1) ... [2025-03-15 01:54:04,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:04,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:04,222 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 01:54:04,232 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 01:54:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:54:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:54:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:54:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:54:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:54:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:54:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:54:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:54:04,248 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 01:54:04,354 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:54:04,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:54:04,568 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:54:04,569 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:54:04,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:54:04,595 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:54:04,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:04 BoogieIcfgContainer [2025-03-15 01:54:04,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:54:04,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:54:04,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:54:04,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:54:04,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:54:03" (1/3) ... [2025-03-15 01:54:04,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcc4ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:04, skipping insertion in model container [2025-03-15 01:54:04,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:04" (2/3) ... [2025-03-15 01:54:04,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcc4ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:04, skipping insertion in model container [2025-03-15 01:54:04,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:04" (3/3) ... [2025-03-15 01:54:04,632 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_15-funarg_nr.i [2025-03-15 01:54:04,643 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:54:04,645 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_15-funarg_nr.i that has 2 procedures, 174 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:54:04,645 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:54:04,688 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:54:04,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:54:04,726 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;@4f2d10a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:54:04,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 01:54:04,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:54:04,783 INFO L124 PetriNetUnfolderBase]: 0/135 cut-off events. [2025-03-15 01:54:04,784 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:54:04,785 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:04,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:04,786 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:04,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:04,792 INFO L85 PathProgramCache]: Analyzing trace with hash -816856, now seen corresponding path program 1 times [2025-03-15 01:54:04,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:04,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897052659] [2025-03-15 01:54:04,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:04,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:05,351 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 01:54:05,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:05,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897052659] [2025-03-15 01:54:05,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897052659] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:05,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:05,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:54:05,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893343019] [2025-03-15 01:54:05,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:05,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:54:05,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:05,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:54:05,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:54:05,399 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 173 [2025-03-15 01:54:05,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 173 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 01:54:05,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:05,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 173 [2025-03-15 01:54:05,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:05,496 INFO L124 PetriNetUnfolderBase]: 25/240 cut-off events. [2025-03-15 01:54:05,496 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 01:54:05,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 240 events. 25/240 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 354 event pairs, 15 based on Foata normal form. 0/232 useless extension candidates. Maximal degree in co-relation 166. Up to 40 conditions per place. [2025-03-15 01:54:05,502 INFO L140 encePairwiseOnDemand]: 169/173 looper letters, 13 selfloop transitions, 2 changer transitions 15/175 dead transitions. [2025-03-15 01:54:05,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 175 transitions, 392 flow [2025-03-15 01:54:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:54:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:54:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2025-03-15 01:54:05,512 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9518304431599229 [2025-03-15 01:54:05,516 INFO L298 CegarLoopForPetriNet]: 177 programPoint places, -1 predicate places. [2025-03-15 01:54:05,516 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 175 transitions, 392 flow [2025-03-15 01:54:05,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 01:54:05,517 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:05,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:05,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:54:05,517 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:05,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:05,519 INFO L85 PathProgramCache]: Analyzing trace with hash -916832873, now seen corresponding path program 1 times [2025-03-15 01:54:05,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:05,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896191931] [2025-03-15 01:54:05,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:05,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:05,817 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 01:54:05,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:05,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896191931] [2025-03-15 01:54:05,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896191931] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:05,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:05,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:54:05,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078517330] [2025-03-15 01:54:05,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:05,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:54:05,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:05,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:54:05,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:54:05,824 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 173 [2025-03-15 01:54:05,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 175 transitions, 392 flow. Second operand has 5 states, 5 states have (on average 150.8) internal successors, (754), 5 states have internal predecessors, (754), 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 01:54:05,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:05,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 173 [2025-03-15 01:54:05,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:06,028 INFO L124 PetriNetUnfolderBase]: 69/366 cut-off events. [2025-03-15 01:54:06,028 INFO L125 PetriNetUnfolderBase]: For 58/64 co-relation queries the response was YES. [2025-03-15 01:54:06,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 366 events. 69/366 cut-off events. For 58/64 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1011 event pairs, 24 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 500. Up to 61 conditions per place. [2025-03-15 01:54:06,030 INFO L140 encePairwiseOnDemand]: 165/173 looper letters, 17 selfloop transitions, 2 changer transitions 40/199 dead transitions. [2025-03-15 01:54:06,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 199 transitions, 562 flow [2025-03-15 01:54:06,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:54:06,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:54:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1098 transitions. [2025-03-15 01:54:06,034 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9066886870355079 [2025-03-15 01:54:06,035 INFO L298 CegarLoopForPetriNet]: 177 programPoint places, 5 predicate places. [2025-03-15 01:54:06,035 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 199 transitions, 562 flow [2025-03-15 01:54:06,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 150.8) internal successors, (754), 5 states have internal predecessors, (754), 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 01:54:06,035 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:06,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:06,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:54:06,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:06,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:06,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1185298317, now seen corresponding path program 1 times [2025-03-15 01:54:06,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:06,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840440879] [2025-03-15 01:54:06,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:06,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:06,287 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 01:54:06,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:06,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840440879] [2025-03-15 01:54:06,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840440879] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:06,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:06,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:06,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938256718] [2025-03-15 01:54:06,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:06,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:54:06,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:06,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:54:06,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:54:06,290 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 173 [2025-03-15 01:54:06,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 199 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 01:54:06,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:06,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 173 [2025-03-15 01:54:06,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:06,342 INFO L124 PetriNetUnfolderBase]: 2/208 cut-off events. [2025-03-15 01:54:06,342 INFO L125 PetriNetUnfolderBase]: For 74/78 co-relation queries the response was YES. [2025-03-15 01:54:06,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 208 events. 2/208 cut-off events. For 74/78 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 112 event pairs, 0 based on Foata normal form. 18/224 useless extension candidates. Maximal degree in co-relation 154. Up to 22 conditions per place. [2025-03-15 01:54:06,343 INFO L140 encePairwiseOnDemand]: 167/173 looper letters, 7 selfloop transitions, 7 changer transitions 24/182 dead transitions. [2025-03-15 01:54:06,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 182 transitions, 510 flow [2025-03-15 01:54:06,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:54:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:54:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2025-03-15 01:54:06,344 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9518304431599229 [2025-03-15 01:54:06,344 INFO L298 CegarLoopForPetriNet]: 177 programPoint places, 5 predicate places. [2025-03-15 01:54:06,344 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 182 transitions, 510 flow [2025-03-15 01:54:06,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 01:54:06,345 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:06,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:06,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:54:06,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:06,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:06,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1177941176, now seen corresponding path program 1 times [2025-03-15 01:54:06,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:06,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569476709] [2025-03-15 01:54:06,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:06,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:06,542 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 01:54:06,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:06,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569476709] [2025-03-15 01:54:06,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569476709] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:06,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:06,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:54:06,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764081953] [2025-03-15 01:54:06,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:06,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:06,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:06,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:06,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:54:06,544 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 173 [2025-03-15 01:54:06,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 182 transitions, 510 flow. Second operand has 6 states, 6 states have (on average 151.33333333333334) internal successors, (908), 6 states have internal predecessors, (908), 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 01:54:06,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:06,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 173 [2025-03-15 01:54:06,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:06,651 INFO L124 PetriNetUnfolderBase]: 2/207 cut-off events. [2025-03-15 01:54:06,652 INFO L125 PetriNetUnfolderBase]: For 89/92 co-relation queries the response was YES. [2025-03-15 01:54:06,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 207 events. 2/207 cut-off events. For 89/92 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 108 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 192. Up to 23 conditions per place. [2025-03-15 01:54:06,653 INFO L140 encePairwiseOnDemand]: 166/173 looper letters, 13 selfloop transitions, 4 changer transitions 24/181 dead transitions. [2025-03-15 01:54:06,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 181 transitions, 572 flow [2025-03-15 01:54:06,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:54:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:54:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 928 transitions. [2025-03-15 01:54:06,656 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8940269749518305 [2025-03-15 01:54:06,656 INFO L298 CegarLoopForPetriNet]: 177 programPoint places, 9 predicate places. [2025-03-15 01:54:06,656 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 181 transitions, 572 flow [2025-03-15 01:54:06,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.33333333333334) internal successors, (908), 6 states have internal predecessors, (908), 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 01:54:06,657 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:06,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:06,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:54:06,657 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:06,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:06,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2138528842, now seen corresponding path program 1 times [2025-03-15 01:54:06,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:06,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058850507] [2025-03-15 01:54:06,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:06,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:06,843 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 01:54:06,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:06,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058850507] [2025-03-15 01:54:06,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058850507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:06,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:06,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:54:06,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470229306] [2025-03-15 01:54:06,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:06,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:06,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:06,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:06,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:54:06,846 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 173 [2025-03-15 01:54:06,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 181 transitions, 572 flow. Second operand has 6 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 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 01:54:06,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:06,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 173 [2025-03-15 01:54:06,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:06,939 INFO L124 PetriNetUnfolderBase]: 2/206 cut-off events. [2025-03-15 01:54:06,939 INFO L125 PetriNetUnfolderBase]: For 155/160 co-relation queries the response was YES. [2025-03-15 01:54:06,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 206 events. 2/206 cut-off events. For 155/160 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 104 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 228. Up to 23 conditions per place. [2025-03-15 01:54:06,940 INFO L140 encePairwiseOnDemand]: 166/173 looper letters, 0 selfloop transitions, 0 changer transitions 180/180 dead transitions. [2025-03-15 01:54:06,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 180 transitions, 630 flow [2025-03-15 01:54:06,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-15 01:54:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-15 01:54:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1225 transitions. [2025-03-15 01:54:06,942 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8851156069364162 [2025-03-15 01:54:06,944 INFO L298 CegarLoopForPetriNet]: 177 programPoint places, 15 predicate places. [2025-03-15 01:54:06,945 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 180 transitions, 630 flow [2025-03-15 01:54:06,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 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 01:54:06,951 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_15-funarg_nr.i_petrified1_AllErrorsAtOnce [2025-03-15 01:54:06,978 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2025-03-15 01:54:06,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2025-03-15 01:54:06,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-15 01:54:06,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2025-03-15 01:54:06,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2025-03-15 01:54:06,979 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2025-03-15 01:54:06,980 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2025-03-15 01:54:06,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:54:06,980 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:54:06,984 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:54:06,984 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:54:06,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:54:06 BasicIcfg [2025-03-15 01:54:06,992 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:54:06,992 INFO L158 Benchmark]: Toolchain (without parser) took 3283.25ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 42.3MB in the beginning and 46.9MB in the end (delta: -4.6MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. [2025-03-15 01:54:06,992 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:06,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.80ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 38.7MB in the end (delta: 3.5MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2025-03-15 01:54:06,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.81ms. Allocated memory is still 71.3MB. Free memory was 38.7MB in the beginning and 36.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:54:06,993 INFO L158 Benchmark]: Boogie Preprocessor took 32.17ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 35.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:06,993 INFO L158 Benchmark]: RCFGBuilder took 405.50ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 17.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:54:06,993 INFO L158 Benchmark]: TraceAbstraction took 2366.05ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 40.3MB in the beginning and 46.9MB in the end (delta: -6.6MB). Peak memory consumption was 39.3MB. Max. memory is 8.0GB. [2025-03-15 01:54:06,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.80ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 38.7MB in the end (delta: 3.5MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.81ms. Allocated memory is still 71.3MB. Free memory was 38.7MB in the beginning and 36.3MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.17ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 35.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 405.50ms. Allocated memory is still 71.3MB. Free memory was 35.0MB in the beginning and 17.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2366.05ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 40.3MB in the beginning and 46.9MB in the end (delta: -6.6MB). Peak memory consumption was 39.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 928]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 188 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 263 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 28 mSDtfsCounter, 263 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=630occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 725 ConstructedInterpolants, 0 QuantifiedInterpolants, 1871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:54:07,008 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 Received shutdown request...