/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 -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --traceabstraction.refinement.strategy.for.commutativity.condition.synthesis BADGER -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 16:30:21,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 16:30:21,671 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 16:30:21,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 16:30:21,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 16:30:21,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 16:30:21,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 16:30:21,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 16:30:21,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 16:30:21,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 16:30:21,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 16:30:21,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 16:30:21,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 16:30:21,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 16:30:21,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 16:30:21,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 16:30:21,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 16:30:21,709 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 16:30:21,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Refinement strategy for commutativity condition synthesis -> BADGER [2024-11-14 16:30:21,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 16:30:21,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 16:30:21,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 16:30:21,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 16:30:21,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 16:30:21,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2024-11-14 16:30:23,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 16:30:23,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 16:30:23,505 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2024-11-14 16:30:23,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/349ffe678/ceda2fe1bce84941900124abd4cd37db/FLAG6191973a6 [2024-11-14 16:30:23,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/349ffe678/ceda2fe1bce84941900124abd4cd37db [2024-11-14 16:30:23,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 16:30:23,536 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 16:30:23,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 16:30:23,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 16:30:23,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 16:30:23,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25158567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23, skipping insertion in model container [2024-11-14 16:30:23,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 16:30:23,707 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2505,2518] [2024-11-14 16:30:23,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 16:30:23,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 16:30:23,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c[2505,2518] [2024-11-14 16:30:23,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 16:30:23,752 INFO L204 MainTranslator]: Completed translation [2024-11-14 16:30:23,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23 WrapperNode [2024-11-14 16:30:23,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 16:30:23,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 16:30:23,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 16:30:23,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 16:30:23,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,784 INFO L138 Inliner]: procedures = 19, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-14 16:30:23,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 16:30:23,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 16:30:23,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 16:30:23,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 16:30:23,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 16:30:23,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 16:30:23,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 16:30:23,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 16:30:23,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (1/1) ... [2024-11-14 16:30:23,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 16:30:23,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 16:30:23,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 16:30:23,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 16:30:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 16:30:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 16:30:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 16:30:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 16:30:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 16:30:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 16:30:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 16:30:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-14 16:30:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-14 16:30:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 16:30:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 16:30:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 16:30:23,881 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 16:30:23,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 16:30:23,969 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 16:30:24,128 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 16:30:24,129 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 16:30:24,138 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 16:30:24,138 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 16:30:24,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:30:24 BoogieIcfgContainer [2024-11-14 16:30:24,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 16:30:24,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 16:30:24,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 16:30:24,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 16:30:24,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:30:23" (1/3) ... [2024-11-14 16:30:24,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796ad500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:30:24, skipping insertion in model container [2024-11-14 16:30:24,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:30:23" (2/3) ... [2024-11-14 16:30:24,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796ad500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:30:24, skipping insertion in model container [2024-11-14 16:30:24,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:30:24" (3/3) ... [2024-11-14 16:30:24,146 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2024-11-14 16:30:24,159 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 16:30:24,160 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp2x6.wvr.c that has 5 procedures, 117 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 16:30:24,160 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 16:30:24,264 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-14 16:30:24,329 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 16:30:24,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 16:30:24,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 16:30:24,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 16:30:24,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 16:30:24,416 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 16:30:24,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 16:30:24,434 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@11721f27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 16:30:24,434 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-14 16:30:24,984 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 16:30:24,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 16:30:24,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2076605819, now seen corresponding path program 1 times [2024-11-14 16:30:25,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 16:30:25,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640160557] [2024-11-14 16:30:25,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 16:30:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 16:30:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 16:30:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 16:30:25,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 16:30:25,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640160557] [2024-11-14 16:30:25,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640160557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 16:30:25,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 16:30:25,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 16:30:25,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986419493] [2024-11-14 16:30:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 16:30:25,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 16:30:25,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 16:30:25,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 16:30:25,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 16:30:25,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:30:25,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 16:30:25,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 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) [2024-11-14 16:30:25,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:30:25,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:30:25,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 16:30:25,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 16:30:25,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 16:30:25,294 INFO L85 PathProgramCache]: Analyzing trace with hash 559694046, now seen corresponding path program 1 times [2024-11-14 16:30:25,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 16:30:25,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824328471] [2024-11-14 16:30:25,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 16:30:25,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 16:30:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 16:30:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 16:30:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 16:30:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824328471] [2024-11-14 16:30:26,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824328471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 16:30:26,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 16:30:26,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 16:30:26,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848736253] [2024-11-14 16:30:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 16:30:26,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 16:30:26,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 16:30:26,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 16:30:26,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 16:30:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:30:26,604 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 16:30:26,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-14 16:30:26,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:30:26,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:30:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:30:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 16:30:26,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 16:30:26,836 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-14 16:30:26,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 16:30:26,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2125110858, now seen corresponding path program 1 times [2024-11-14 16:30:26,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 16:30:26,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821856150] [2024-11-14 16:30:26,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 16:30:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 16:30:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 16:30:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 16:30:27,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 16:30:27,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821856150] [2024-11-14 16:30:27,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821856150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 16:30:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447186582] [2024-11-14 16:30:27,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 16:30:27,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 16:30:27,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 16:30:27,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 16:30:27,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 16:30:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 16:30:30,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-14 16:30:30,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 16:31:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 16:31:34,284 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 16:38:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 16:38:46,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447186582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 16:38:46,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 16:38:46,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 30, 45] total 85 [2024-11-14 16:38:46,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957737462] [2024-11-14 16:38:46,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 16:38:46,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-14 16:38:46,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 16:38:46,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-14 16:38:46,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=776, Invalid=6178, Unknown=186, NotChecked=0, Total=7140 [2024-11-14 16:38:46,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:38:46,238 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 16:38:46,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.623529411764706) internal successors, (308), 85 states have internal predecessors, (308), 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) [2024-11-14 16:38:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:38:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 16:38:46,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 16:40:18,351 WARN L286 SmtUtils]: Spent 1.53m on a formula simplification. DAG size of input: 252 DAG size of output: 250 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 16:40:41,095 WARN L286 SmtUtils]: Spent 21.77s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 16:41:26,739 WARN L286 SmtUtils]: Spent 45.43s on a formula simplification. DAG size of input: 196 DAG size of output: 192 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 16:41:50,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:41:57,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:42:07,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:42:12,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:42:19,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:42:21,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:42:40,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:42:51,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:02,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:04,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:21,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:31,713 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 16:43:33,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:37,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:40,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:52,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:54,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:43:56,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:44:01,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:44:05,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:44:15,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:44:28,154 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 80 DAG size of output: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 16:44:30,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:44:46,509 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 16:44:49,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:44:53,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:44:56,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-11-14 16:44:59,561 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-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 [2024-11-14 16:44:59,562 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 16:44:59,562 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 16:44:59,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 16:45:00,573 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Exception during sending of exit command (exit): Stream Closed [2024-11-14 16:45:00,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 16:45:00,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-11-14 16:45:00,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 16:45:00,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 16:45:00,774 WARN L596 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-11-14 16:45:00,776 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-11-14 16:45:00,776 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-11-14 16:45:00,776 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-14 16:45:00,776 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-14 16:45:00,776 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-14 16:45:00,779 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 16:45:00,781 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 16:45:00,781 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 16:45:00,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:45:00 BasicIcfg [2024-11-14 16:45:00,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 16:45:00,784 INFO L158 Benchmark]: Toolchain (without parser) took 877247.85ms. Allocated memory was 83.9MB in the beginning and 197.1MB in the end (delta: 113.2MB). Free memory was 57.3MB in the beginning and 116.5MB in the end (delta: -59.2MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. [2024-11-14 16:45:00,784 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 16:45:00,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.19ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 45.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-11-14 16:45:00,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.69ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 16:45:00,785 INFO L158 Benchmark]: Boogie Preprocessor took 26.53ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 43.2MB in the end (delta: 987.0kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 16:45:00,785 INFO L158 Benchmark]: RCFGBuilder took 326.81ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 29.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 16:45:00,785 INFO L158 Benchmark]: TraceAbstraction took 876642.77ms. Allocated memory was 83.9MB in the beginning and 197.1MB in the end (delta: 113.2MB). Free memory was 29.1MB in the beginning and 116.5MB in the end (delta: -87.4MB). Peak memory consumption was 28.6MB. Max. memory is 8.0GB. [2024-11-14 16:45:00,786 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 83.9MB. Free memory is still 37.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 216.19ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 45.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.69ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 26.53ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 43.2MB in the end (delta: 987.0kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 326.81ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 29.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 876642.77ms. Allocated memory was 83.9MB in the beginning and 197.1MB in the end (delta: 113.2MB). Free memory was 29.1MB in the beginning and 116.5MB in the end (delta: -87.4MB). Peak memory consumption was 28.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8810, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 998, dependent conditional: 992, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 0, independent unconditional: 7812, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 0, independent unconditional: 7812, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2574, independent: 2568, independent conditional: 0, independent unconditional: 2568, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2574, independent: 2565, independent conditional: 0, independent unconditional: 2565, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 283, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 7818, independent: 5244, independent conditional: 0, independent unconditional: 5244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2574, unknown conditional: 0, unknown unconditional: 2574] , Statistics on independence cache: Total cache size (in pairs): 2574, Positive cache size: 2568, Positive conditional cache size: 0, Positive unconditional cache size: 2568, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5064, Maximal queried relation: 0, Independence queries for same thread: 992, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 137, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2754, independent: 2748, independent conditional: 0, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8810, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 998, dependent conditional: 992, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 5064, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 0, independent unconditional: 7812, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7818, independent: 7812, independent conditional: 0, independent unconditional: 7812, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2574, independent: 2568, independent conditional: 0, independent unconditional: 2568, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2574, independent: 2565, independent conditional: 0, independent unconditional: 2565, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 283, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 7818, independent: 5244, independent conditional: 0, independent unconditional: 5244, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2574, unknown conditional: 0, unknown unconditional: 2574] , Statistics on independence cache: Total cache size (in pairs): 2574, Positive cache size: 2568, Positive conditional cache size: 0, Positive unconditional cache size: 2568, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5064, Maximal queried relation: 0, Independence queries for same thread: 992 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 157 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 876.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 375.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 55, 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: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 497.4s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 13323 SizeOfPredicates, 10 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/48 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: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown