/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 23:17:24,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 23:17:24,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 23:17:24,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 23:17:24,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 23:17:24,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 23:17:24,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 23:17:24,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 23:17:24,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 23:17:24,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 23:17:24,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 23:17:24,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 23:17:24,748 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 23:17:24,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 23:17:24,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 23:17:24,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 23:17:24,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 23:17:24,750 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 23:17:24,750 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 [2024-11-15 23:17:24,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 23:17:24,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 23:17:24,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 23:17:24,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 23:17:24,961 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 23:17:24,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-11-15 23:17:26,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 23:17:26,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 23:17:26,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-11-15 23:17:26,246 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/bd21b8d8e/444582bf4490416e95d151a544ec4d51/FLAG9eb2398fa [2024-11-15 23:17:26,614 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/bd21b8d8e/444582bf4490416e95d151a544ec4d51 [2024-11-15 23:17:26,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 23:17:26,616 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 23:17:26,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 23:17:26,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 23:17:26,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 23:17:26,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b82423a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26, skipping insertion in model container [2024-11-15 23:17:26,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 23:17:26,745 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/mult-flipped-dist.wvr.c[2174,2187] [2024-11-15 23:17:26,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 23:17:26,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 23:17:26,769 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/mult-flipped-dist.wvr.c[2174,2187] [2024-11-15 23:17:26,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 23:17:26,781 INFO L204 MainTranslator]: Completed translation [2024-11-15 23:17:26,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26 WrapperNode [2024-11-15 23:17:26,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 23:17:26,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 23:17:26,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 23:17:26,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 23:17:26,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,803 INFO L138 Inliner]: procedures = 21, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-15 23:17:26,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 23:17:26,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 23:17:26,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 23:17:26,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 23:17:26,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 23:17:26,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 23:17:26,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 23:17:26,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 23:17:26,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (1/1) ... [2024-11-15 23:17:26,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 23:17:26,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 23:17:26,854 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) [2024-11-15 23:17:26,857 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 [2024-11-15 23:17:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 23:17:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-15 23:17:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-15 23:17:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-15 23:17:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-15 23:17:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-15 23:17:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-15 23:17:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 23:17:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 23:17:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 23:17:26,876 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-15 23:17:26,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 23:17:26,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 23:17:27,049 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 23:17:27,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 23:17:27,059 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 23:17:27,060 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-15 23:17:27,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:17:27 BoogieIcfgContainer [2024-11-15 23:17:27,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 23:17:27,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 23:17:27,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 23:17:27,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 23:17:27,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:17:26" (1/3) ... [2024-11-15 23:17:27,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a319f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:17:27, skipping insertion in model container [2024-11-15 23:17:27,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:17:26" (2/3) ... [2024-11-15 23:17:27,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a319f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:17:27, skipping insertion in model container [2024-11-15 23:17:27,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:17:27" (3/3) ... [2024-11-15 23:17:27,066 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-11-15 23:17:27,076 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 23:17:27,077 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-flipped-dist.wvr.c that has 4 procedures, 94 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-15 23:17:27,077 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 23:17:27,122 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-15 23:17:27,153 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 23:17:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 23:17:27,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 23:17:27,162 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) [2024-11-15 23:17:27,167 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 [2024-11-15 23:17:27,216 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 23:17:27,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 23:17:27,231 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;@ac8731c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 23:17:27,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-15 23:17:27,573 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 1 more)] === [2024-11-15 23:17:27,573 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 23:17:27,574 INFO L132 ounterexampleChecker]: Examining path program with hash -1564308913, occurence #1 [2024-11-15 23:17:27,574 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 23:17:27,574 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 23:17:27,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 23:17:27,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1933177704, now seen corresponding path program 1 times [2024-11-15 23:17:27,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 23:17:27,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585765057] [2024-11-15 23:17:27,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 23:17:27,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 23:17:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 23:17:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:27,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 23:17:27,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585765057] [2024-11-15 23:17:27,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585765057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 23:17:27,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 23:17:27,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 23:17:27,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772672851] [2024-11-15 23:17:27,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 23:17:27,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 23:17:27,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 23:17:27,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 23:17:27,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 23:17:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:27,784 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 23:17:27,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 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) [2024-11-15 23:17:27,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:27,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 23:17:27,823 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 1 more)] === [2024-11-15 23:17:27,823 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 23:17:27,823 INFO L132 ounterexampleChecker]: Examining path program with hash -1394432379, occurence #1 [2024-11-15 23:17:27,823 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 23:17:27,823 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 23:17:27,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 23:17:27,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1738722905, now seen corresponding path program 1 times [2024-11-15 23:17:27,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 23:17:27,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953748617] [2024-11-15 23:17:27,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 23:17:27,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 23:17:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 23:17:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:28,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 23:17:28,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953748617] [2024-11-15 23:17:28,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953748617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 23:17:28,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 23:17:28,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 23:17:28,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377802735] [2024-11-15 23:17:28,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 23:17:28,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 23:17:28,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 23:17:28,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 23:17:28,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-15 23:17:28,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:28,198 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 23:17:28,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-11-15 23:17:28,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:28,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:28,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:17:28,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-15 23:17:28,303 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 1 more)] === [2024-11-15 23:17:28,303 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 23:17:28,303 INFO L132 ounterexampleChecker]: Examining path program with hash 1048851024, occurence #1 [2024-11-15 23:17:28,303 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 23:17:28,304 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 23:17:28,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 23:17:28,304 INFO L85 PathProgramCache]: Analyzing trace with hash 796255377, now seen corresponding path program 1 times [2024-11-15 23:17:28,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 23:17:28,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008642959] [2024-11-15 23:17:28,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 23:17:28,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 23:17:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 23:17:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:28,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 23:17:28,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008642959] [2024-11-15 23:17:28,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008642959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 23:17:28,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121804474] [2024-11-15 23:17:28,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 23:17:28,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 23:17:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 23:17:28,704 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) [2024-11-15 23:17:28,706 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 [2024-11-15 23:17:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 23:17:28,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-15 23:17:28,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 23:17:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:29,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 23:17:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:29,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121804474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 23:17:29,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 23:17:29,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 31 [2024-11-15 23:17:29,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972465190] [2024-11-15 23:17:29,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 23:17:29,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-15 23:17:29,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 23:17:29,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-15 23:17:29,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=826, Unknown=0, NotChecked=0, Total=930 [2024-11-15 23:17:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:29,592 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 23:17:29,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.516129032258065) internal successors, (202), 31 states have internal predecessors, (202), 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) [2024-11-15 23:17:29,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:29,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:17:29,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:44,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:17:44,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-15 23:17:44,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 23:17:44,524 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 [2024-11-15 23:17:44,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-15 23:17:44,524 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 23:17:44,524 INFO L132 ounterexampleChecker]: Examining path program with hash 1561077621, occurence #1 [2024-11-15 23:17:44,525 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 23:17:44,525 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 23:17:44,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 23:17:44,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1817587237, now seen corresponding path program 2 times [2024-11-15 23:17:44,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 23:17:44,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679511872] [2024-11-15 23:17:44,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 23:17:44,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 23:17:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 23:17:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:45,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 23:17:45,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679511872] [2024-11-15 23:17:45,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679511872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 23:17:45,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877795778] [2024-11-15 23:17:45,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 23:17:45,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 23:17:45,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 23:17:45,463 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 23:17:45,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 23:17:45,535 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 23:17:45,535 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 23:17:45,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-15 23:17:45,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 23:17:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:46,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 23:17:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:17:47,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877795778] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 23:17:47,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 23:17:47,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 54 [2024-11-15 23:17:47,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241690084] [2024-11-15 23:17:47,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 23:17:47,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-15 23:17:47,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 23:17:47,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-15 23:17:47,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2625, Unknown=0, NotChecked=0, Total=2862 [2024-11-15 23:17:47,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:47,019 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 23:17:47,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.092592592592593) internal successors, (275), 54 states have internal predecessors, (275), 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) [2024-11-15 23:17:47,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:47,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:17:47,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-15 23:17:47,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:17:52,043 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 [] [2024-11-15 23:18:18,198 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 37 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:19:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:19:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:19:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-15 23:19:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-15 23:19:06,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-15 23:19:06,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 23:19:06,315 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-15 23:19:06,315 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 23:19:06,315 INFO L132 ounterexampleChecker]: Examining path program with hash 1561077621, occurence #2 [2024-11-15 23:19:06,315 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 23:19:06,315 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 23:19:06,316 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,316 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-15 23:19:06,316 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,316 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 23:19:06,316 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,316 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-15 23:19:06,316 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,316 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-15 23:19:06,316 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 23:19:06,317 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,317 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 23:19:06,326 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:19:06,326 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 23:19:06,326 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,326 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-15 23:19:06,326 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,326 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 23:19:06,326 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:19:06,326 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 23:19:06,326 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,326 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 23:19:06,326 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,326 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 23:19:06,327 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:19:06,327 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2024-11-15 23:19:06,327 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:19:06,327 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2024-11-15 23:19:06,327 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,327 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-15 23:19:06,327 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:19:06,327 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 23:19:06,327 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 23:19:06,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 23:19:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash 448927941, now seen corresponding path program 3 times [2024-11-15 23:19:06,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 23:19:06,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32624231] [2024-11-15 23:19:06,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 23:19:06,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 23:19:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 23:19:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 0 proven. 549 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:19:08,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 23:19:08,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32624231] [2024-11-15 23:19:08,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32624231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 23:19:08,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925511469] [2024-11-15 23:19:08,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-15 23:19:08,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 23:19:08,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 23:19:08,386 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 23:19:08,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 23:19:08,496 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-11-15 23:19:08,496 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 23:19:08,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-15 23:19:08,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 23:19:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 0 proven. 549 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:19:10,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 23:19:13,616 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 0 proven. 549 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:19:13,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925511469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 23:19:13,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 23:19:13,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 41] total 114 [2024-11-15 23:19:13,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654311058] [2024-11-15 23:19:13,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 23:19:13,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-11-15 23:19:13,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 23:19:13,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-11-15 23:19:13,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=12160, Unknown=0, NotChecked=0, Total=12882 [2024-11-15 23:19:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:19:13,628 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 23:19:13,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 4.385964912280702) internal successors, (500), 114 states have internal predecessors, (500), 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) [2024-11-15 23:19:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:19:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:19:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-15 23:19:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-11-15 23:19:13,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:19:34,092 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 107 DAG size of output: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:19:50,172 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 [] [2024-11-15 23:20:00,316 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 109 DAG size of output: 93 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:20:30,615 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 91 DAG size of output: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:20:41,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:20:53,350 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 95 DAG size of output: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:21:09,414 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 88 DAG size of output: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:21:49,080 WARN L286 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 92 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:22:21,905 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:22:40,770 WARN L286 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 83 DAG size of output: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:23:30,202 WARN L286 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 81 DAG size of output: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:23:57,634 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 70 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:24:13,639 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 73 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:24:51,452 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 70 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:25:54,987 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification. DAG size of input: 59 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:26:53,164 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 48 DAG size of output: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:27:48,124 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 37 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:28:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:28:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:28:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-15 23:28:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-15 23:28:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2024-11-15 23:28:59,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-15 23:28:59,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 23:28:59,853 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-15 23:28:59,853 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 23:28:59,853 INFO L132 ounterexampleChecker]: Examining path program with hash 1561077621, occurence #3 [2024-11-15 23:28:59,853 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 23:28:59,853 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 23:28:59,853 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,853 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-15 23:28:59,853 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,853 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 23:28:59,853 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,853 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-15 23:28:59,853 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,853 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-15 23:28:59,853 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 23:28:59,854 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:28:59,854 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 23:28:59,854 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-15 23:28:59,855 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 23:28:59,855 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 23:28:59,855 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 23:28:59,855 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 23:28:59,855 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2024-11-15 23:28:59,855 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2024-11-15 23:28:59,855 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,855 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 358 [2024-11-15 23:28:59,855 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 23:28:59,855 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 23:28:59,855 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 23:28:59,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 23:28:59,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1896429819, now seen corresponding path program 4 times [2024-11-15 23:28:59,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 23:28:59,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916876040] [2024-11-15 23:28:59,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 23:28:59,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 23:29:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 23:29:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 0 proven. 2584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:29:05,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 23:29:05,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916876040] [2024-11-15 23:29:05,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916876040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 23:29:05,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168962172] [2024-11-15 23:29:05,584 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-15 23:29:05,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 23:29:05,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 23:29:05,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 23:29:05,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 23:29:05,719 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-15 23:29:05,719 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 23:29:05,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 158 conjuncts are in the unsatisfiable core [2024-11-15 23:29:05,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 23:29:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 0 proven. 2584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:29:12,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 23:29:25,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2584 backedges. 0 proven. 2584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:29:25,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168962172] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 23:29:25,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 23:29:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 81, 81] total 234 [2024-11-15 23:29:25,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729555135] [2024-11-15 23:29:25,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 23:29:25,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 234 states [2024-11-15 23:29:25,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 23:29:25,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2024-11-15 23:29:25,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2442, Invalid=52080, Unknown=0, NotChecked=0, Total=54522 [2024-11-15 23:29:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:29:25,508 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 23:29:25,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 234 states, 234 states have (on average 4.05982905982906) internal successors, (950), 234 states have internal predecessors, (950), 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) [2024-11-15 23:29:25,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:29:25,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 23:29:25,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-11-15 23:29:25,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-11-15 23:29:25,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2024-11-15 23:29:25,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:32:04,413 WARN L286 SmtUtils]: Spent 1.36m on a formula simplification. DAG size of input: 203 DAG size of output: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-11-15 23:32:04,514 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 [2024-11-15 23:32:04,514 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-15 23:32:04,548 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 [2024-11-15 23:32:04,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-15 23:32:04,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 23:32:04,757 WARN L596 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 409 known predicates. [2024-11-15 23:32:04,759 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-15 23:32:04,759 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-15 23:32:04,759 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-15 23:32:04,759 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-15 23:32:04,762 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-11-15 23:32:04,764 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-15 23:32:04,764 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-15 23:32:04,777 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 [2024-11-15 23:32:04,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:32:04 BasicIcfg [2024-11-15 23:32:04,778 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-15 23:32:04,779 INFO L158 Benchmark]: Toolchain (without parser) took 878162.32ms. Allocated memory was 100.7MB in the beginning and 926.9MB in the end (delta: 826.3MB). Free memory was 72.9MB in the beginning and 590.0MB in the end (delta: -517.0MB). Peak memory consumption was 311.9MB. Max. memory is 8.0GB. [2024-11-15 23:32:04,779 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 23:32:04,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.89ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 61.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-11-15 23:32:04,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.13ms. Allocated memory is still 100.7MB. Free memory was 61.0MB in the beginning and 59.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-15 23:32:04,779 INFO L158 Benchmark]: Boogie Preprocessor took 17.01ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 58.9MB in the end (delta: 852.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 23:32:04,779 INFO L158 Benchmark]: RCFGBuilder took 238.05ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 46.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-11-15 23:32:04,780 INFO L158 Benchmark]: TraceAbstraction took 877716.31ms. Allocated memory was 100.7MB in the beginning and 926.9MB in the end (delta: 826.3MB). Free memory was 46.2MB in the beginning and 590.0MB in the end (delta: -543.8MB). Peak memory consumption was 286.8MB. Max. memory is 8.0GB. [2024-11-15 23:32:04,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 164.89ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 61.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.13ms. Allocated memory is still 100.7MB. Free memory was 61.0MB in the beginning and 59.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.01ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 58.9MB in the end (delta: 852.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 238.05ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 46.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 877716.31ms. Allocated memory was 100.7MB in the beginning and 926.9MB in the end (delta: 826.3MB). Free memory was 46.2MB in the beginning and 590.0MB in the end (delta: -543.8MB). Peak memory consumption was 286.8MB. 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: 14996, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 2059, dependent conditional: 2055, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 0, independent unconditional: 12937, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 0, independent unconditional: 12937, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1779, independent: 1775, independent conditional: 0, independent unconditional: 1775, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1779, independent: 1772, independent conditional: 0, independent unconditional: 1772, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, independent: 87, independent conditional: 0, independent unconditional: 87, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 12941, independent: 11162, independent conditional: 0, independent unconditional: 11162, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1779, unknown conditional: 0, unknown unconditional: 1779] , Statistics on independence cache: Total cache size (in pairs): 1779, Positive cache size: 1775, Positive conditional cache size: 0, Positive unconditional cache size: 1775, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11055, Maximal queried relation: 0, Independence queries for same thread: 2055, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 135, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1886, independent: 1882, independent conditional: 0, independent unconditional: 1882, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14996, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 2059, dependent conditional: 2055, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 11055, independent unconditional: 1882, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 0, independent unconditional: 12937, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12941, independent: 12937, independent conditional: 0, independent unconditional: 12937, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1779, independent: 1775, independent conditional: 0, independent unconditional: 1775, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1779, independent: 1772, independent conditional: 0, independent unconditional: 1772, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, independent: 87, independent conditional: 0, independent unconditional: 87, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 12941, independent: 11162, independent conditional: 0, independent unconditional: 11162, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1779, unknown conditional: 0, unknown unconditional: 1779] , Statistics on independence cache: Total cache size (in pairs): 1779, Positive cache size: 1775, Positive conditional cache size: 0, Positive unconditional cache size: 1775, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11055, Maximal queried relation: 0, Independence queries for same thread: 2055 - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 409 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 409 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 409 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 409 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 130 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 877.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 839.4s, 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: 627, 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, 0.7s SatisfiabilityAnalysisTime, 36.2s InterpolantComputationTime, 1801 NumberOfCodeBlocks, 1801 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2600 ConstructedInterpolants, 0 QuantifiedInterpolants, 19979 SizeOfPredicates, 144 NumberOfNonLiveVariables, 1504 ConjunctsInSsa, 298 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 0/9714 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: 42, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown