/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/pthread-ext/11_fmaxsymopt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 21:32:34,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 21:32:34,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 21:32:34,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 21:32:34,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 21:32:34,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 21:32:34,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 21:32:34,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 21:32:34,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 21:32:34,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 21:32:34,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 21:32:34,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 21:32:34,994 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 21:32:34,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 21:32:34,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 21:32:34,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:32:34,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 21:32:34,997 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 21:32:34,997 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 21:32:35,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 21:32:35,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 21:32:35,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 21:32:35,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 21:32:35,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 21:32:35,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i [2024-11-15 21:32:36,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 21:32:36,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 21:32:36,688 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/11_fmaxsymopt.i [2024-11-15 21:32:36,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a65266155/eaec1b1a8dbf451d8ef8196b445ce7bd/FLAGee96f5c78 [2024-11-15 21:32:36,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a65266155/eaec1b1a8dbf451d8ef8196b445ce7bd [2024-11-15 21:32:36,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 21:32:36,720 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 21:32:36,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 21:32:36,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 21:32:36,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 21:32:36,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:32:36" (1/1) ... [2024-11-15 21:32:36,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321bb3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:36, skipping insertion in model container [2024-11-15 21:32:36,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:32:36" (1/1) ... [2024-11-15 21:32:36,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 21:32:36,939 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/pthread-ext/11_fmaxsymopt.i[30863,30876] [2024-11-15 21:32:36,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:32:36,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 21:32:36,981 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/pthread-ext/11_fmaxsymopt.i[30863,30876] [2024-11-15 21:32:36,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:32:37,013 INFO L204 MainTranslator]: Completed translation [2024-11-15 21:32:37,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37 WrapperNode [2024-11-15 21:32:37,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 21:32:37,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 21:32:37,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 21:32:37,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 21:32:37,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,048 INFO L138 Inliner]: procedures = 167, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-15 21:32:37,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 21:32:37,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 21:32:37,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 21:32:37,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 21:32:37,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 21:32:37,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 21:32:37,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 21:32:37,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 21:32:37,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (1/1) ... [2024-11-15 21:32:37,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:32:37,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:37,093 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 21:32:37,098 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 21:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-15 21:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-15 21:32:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-15 21:32:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-15 21:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-15 21:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 21:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-15 21:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 21:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-15 21:32:37,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 21:32:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 21:32:37,117 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 21:32:37,211 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 21:32:37,213 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 21:32:37,320 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 21:32:37,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 21:32:37,354 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 21:32:37,354 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-15 21:32:37,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:32:37 BoogieIcfgContainer [2024-11-15 21:32:37,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 21:32:37,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 21:32:37,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 21:32:37,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 21:32:37,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:32:36" (1/3) ... [2024-11-15 21:32:37,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5541e514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:32:37, skipping insertion in model container [2024-11-15 21:32:37,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:37" (2/3) ... [2024-11-15 21:32:37,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5541e514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:32:37, skipping insertion in model container [2024-11-15 21:32:37,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:32:37" (3/3) ... [2024-11-15 21:32:37,361 INFO L112 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt.i [2024-11-15 21:32:37,371 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 21:32:37,372 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 11_fmaxsymopt.i that has 2 procedures, 96 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-15 21:32:37,372 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 21:32:37,417 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-15 21:32:37,451 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:37,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 21:32:37,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:37,455 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 21:32:37,460 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 21:32:37,548 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:37,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-11-15 21:32:37,564 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;@5917137f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:37,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:37,913 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:37,914 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:37,914 INFO L132 ounterexampleChecker]: Examining path program with hash 123275538, occurence #1 [2024-11-15 21:32:37,914 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:37,914 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:37,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:37,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1367371533, now seen corresponding path program 1 times [2024-11-15 21:32:37,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:37,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926397662] [2024-11-15 21:32:37,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:37,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:38,115 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 21:32:38,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:38,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926397662] [2024-11-15 21:32:38,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926397662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:38,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:38,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:38,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517421254] [2024-11-15 21:32:38,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:38,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:38,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:38,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:38,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:38,138 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:38,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 21:32:38,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:38,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:38,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 21:32:38,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:38,167 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:38,168 INFO L132 ounterexampleChecker]: Examining path program with hash -436559306, occurence #1 [2024-11-15 21:32:38,168 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:38,168 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:38,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:38,168 INFO L85 PathProgramCache]: Analyzing trace with hash -166725926, now seen corresponding path program 1 times [2024-11-15 21:32:38,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:38,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243993178] [2024-11-15 21:32:38,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:38,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:38,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:38,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243993178] [2024-11-15 21:32:38,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243993178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:38,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022376477] [2024-11-15 21:32:38,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:38,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:38,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:38,324 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 21:32:38,333 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 21:32:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:38,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 21:32:38,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 21:32:38,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:38,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022376477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:38,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:38,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:38,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390528415] [2024-11-15 21:32:38,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:38,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:38,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:38,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:38,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:38,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:38,455 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:38,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 21:32:38,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:38,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:38,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:38,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-15 21:32:38,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:38,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:38,761 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:38,761 INFO L132 ounterexampleChecker]: Examining path program with hash 38803265, occurence #1 [2024-11-15 21:32:38,761 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:38,761 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:38,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:38,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1486425195, now seen corresponding path program 1 times [2024-11-15 21:32:38,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:38,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048668813] [2024-11-15 21:32:38,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:38,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:38,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:38,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048668813] [2024-11-15 21:32:38,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048668813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:38,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815699707] [2024-11-15 21:32:38,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:38,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:38,915 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 21:32:38,916 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 21:32:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:39,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 21:32:39,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 21:32:39,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:39,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815699707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:39,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:39,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:39,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717780402] [2024-11-15 21:32:39,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:39,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:39,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:39,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:39,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:39,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:39,033 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:39,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 21:32:39,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:39,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:39,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:39,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:39,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:39,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-15 21:32:39,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 21:32:39,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:39,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-15 21:32:39,635 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-11-15 21:32:39,638 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:39,638 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:39,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 21:32:39,639 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;@5917137f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:39,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:39,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:39,657 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:39,658 INFO L132 ounterexampleChecker]: Examining path program with hash -1516995414, occurence #1 [2024-11-15 21:32:39,658 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:39,658 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:39,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:39,658 INFO L85 PathProgramCache]: Analyzing trace with hash -272138391, now seen corresponding path program 1 times [2024-11-15 21:32:39,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:39,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380836847] [2024-11-15 21:32:39,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:39,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:39,729 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 21:32:39,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:39,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380836847] [2024-11-15 21:32:39,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380836847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:39,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:39,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:39,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71058809] [2024-11-15 21:32:39,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:39,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:39,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:39,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:39,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:39,731 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:39,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 21:32:39,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:39,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-15 21:32:39,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:39,787 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:39,787 INFO L132 ounterexampleChecker]: Examining path program with hash 293551298, occurence #1 [2024-11-15 21:32:39,787 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:39,787 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:39,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:39,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1137292362, now seen corresponding path program 1 times [2024-11-15 21:32:39,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:39,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373075575] [2024-11-15 21:32:39,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:39,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:39,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:39,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373075575] [2024-11-15 21:32:39,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373075575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:39,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929720267] [2024-11-15 21:32:39,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:39,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:39,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:39,878 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 21:32:39,880 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 21:32:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:39,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 21:32:39,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:39,963 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:39,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929720267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:39,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:39,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-15 21:32:39,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58109208] [2024-11-15 21:32:39,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:39,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 21:32:39,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:39,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 21:32:39,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-15 21:32:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:39,996 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:39,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 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 21:32:39,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:39,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:40,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:40,058 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 21:32:40,250 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 21:32:40,251 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:40,251 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:40,251 INFO L132 ounterexampleChecker]: Examining path program with hash 293551298, occurence #2 [2024-11-15 21:32:40,251 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:40,251 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:40,252 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,252 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:40,252 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,252 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:40,252 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,252 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:40,252 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,252 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:40,252 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,252 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:40,252 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,252 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:40,252 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,252 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-15 21:32:40,253 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,253 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,254 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:40,254 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,255 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:40,255 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:40,255 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:40,255 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,255 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-15 21:32:40,255 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,255 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-15 21:32:40,255 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:40,255 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:40,255 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:40,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:40,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1764562358, now seen corresponding path program 2 times [2024-11-15 21:32:40,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:40,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867880372] [2024-11-15 21:32:40,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:40,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:40,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:40,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867880372] [2024-11-15 21:32:40,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867880372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:40,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066468011] [2024-11-15 21:32:40,469 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:32:40,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:40,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:40,474 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 21:32:40,485 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 21:32:40,555 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 21:32:40,555 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:32:40,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-15 21:32:40,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:40,609 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:40,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:40,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066468011] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:40,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:40,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-15 21:32:40,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955681348] [2024-11-15 21:32:40,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:40,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-15 21:32:40,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:40,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-15 21:32:40,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-15 21:32:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:40,693 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:40,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 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 21:32:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:40,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:40,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:40,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:40,859 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 21:32:41,037 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 21:32:41,037 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:41,038 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:41,040 INFO L132 ounterexampleChecker]: Examining path program with hash 293551298, occurence #3 [2024-11-15 21:32:41,040 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:41,040 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:41,040 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,040 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:41,040 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,040 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:41,040 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,040 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:41,040 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,040 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:41,040 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,040 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:41,040 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,040 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,041 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-15 21:32:41,041 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-15 21:32:41,042 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,042 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:41,043 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,043 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:41,043 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,043 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:41,043 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,043 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-15 21:32:41,043 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,043 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-15 21:32:41,043 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,043 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-15 21:32:41,043 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,043 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-15 21:32:41,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-15 21:32:41,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-15 21:32:41,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-15 21:32:41,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-15 21:32:41,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-15 21:32:41,049 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-15 21:32:41,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:41,049 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:41,049 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:41,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:41,050 INFO L85 PathProgramCache]: Analyzing trace with hash -886000870, now seen corresponding path program 3 times [2024-11-15 21:32:41,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:41,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978986246] [2024-11-15 21:32:41,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:41,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:41,101 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-15 21:32:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:41,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-15 21:32:41,133 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-15 21:32:41,133 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-11-15 21:32:41,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-15 21:32:41,134 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-15 21:32:41,134 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-11-15 21:32:41,135 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-15 21:32:41,135 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-15 21:32:41,159 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-15 21:32:41,162 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:41,167 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:41,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 21:32:41,168 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;@5917137f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:41,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:41,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:41,535 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:41,535 INFO L132 ounterexampleChecker]: Examining path program with hash -654807765, occurence #1 [2024-11-15 21:32:41,535 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:41,535 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:41,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:41,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1531920061, now seen corresponding path program 1 times [2024-11-15 21:32:41,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:41,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413647833] [2024-11-15 21:32:41,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:41,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:41,580 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 21:32:41,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:41,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413647833] [2024-11-15 21:32:41,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413647833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:41,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:41,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:41,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089505108] [2024-11-15 21:32:41,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:41,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:41,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:41,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:41,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:41,582 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:41,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 21:32:41,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:41,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:41,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-15 21:32:41,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:41,633 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:41,633 INFO L132 ounterexampleChecker]: Examining path program with hash 1059279192, occurence #1 [2024-11-15 21:32:41,633 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:41,633 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:41,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:41,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1627294762, now seen corresponding path program 1 times [2024-11-15 21:32:41,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:41,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889234273] [2024-11-15 21:32:41,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:41,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:41,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889234273] [2024-11-15 21:32:41,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889234273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:41,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987924433] [2024-11-15 21:32:41,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:41,700 INFO L229 MonitoredProcess]: Starting monitored process 7 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 21:32:41,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 21:32:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:41,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 21:32:41,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:41,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:41,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987924433] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:41,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:41,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-15 21:32:41,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137521419] [2024-11-15 21:32:41,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:41,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 21:32:41,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:41,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 21:32:41,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-15 21:32:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:41,837 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:41,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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 21:32:41,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:41,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:41,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-15 21:32:42,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:42,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:42,086 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:42,087 INFO L132 ounterexampleChecker]: Examining path program with hash 1059279192, occurence #2 [2024-11-15 21:32:42,087 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:42,087 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,087 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,088 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-15 21:32:42,088 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:42,089 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-15 21:32:42,089 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-15 21:32:42,089 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:42,089 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-15 21:32:42,090 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,090 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-15 21:32:42,090 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,090 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-15 21:32:42,090 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,090 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:42,090 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:42,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:42,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1542284662, now seen corresponding path program 2 times [2024-11-15 21:32:42,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:42,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896934175] [2024-11-15 21:32:42,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:42,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896934175] [2024-11-15 21:32:42,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896934175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760456669] [2024-11-15 21:32:42,200 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:32:42,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:42,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:42,203 INFO L229 MonitoredProcess]: Starting monitored process 8 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 21:32:42,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-15 21:32:42,275 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 21:32:42,275 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:32:42,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-15 21:32:42,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:42,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:42,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760456669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:42,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:42,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-15 21:32:42,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527472062] [2024-11-15 21:32:42,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:42,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-15 21:32:42,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:42,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-15 21:32:42,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-15 21:32:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:42,386 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:42,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.8) internal successors, (102), 15 states have internal predecessors, (102), 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 21:32:42,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:42,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:42,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:42,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-15 21:32:42,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:42,699 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:42,699 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:42,700 INFO L132 ounterexampleChecker]: Examining path program with hash 1059279192, occurence #3 [2024-11-15 21:32:42,700 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:42,700 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:42,700 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,701 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:42,701 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,701 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:42,701 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,701 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:42,701 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,701 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:42,701 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,701 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:42,701 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,701 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:42,702 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,702 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:42,702 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,702 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:42,702 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,702 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:42,702 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,702 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:42,702 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:42,703 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,703 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-15 21:32:42,704 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-15 21:32:42,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-15 21:32:42,706 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-15 21:32:42,706 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-11-15 21:32:42,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:42,706 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:42,706 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:42,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:42,707 INFO L85 PathProgramCache]: Analyzing trace with hash 38448255, now seen corresponding path program 3 times [2024-11-15 21:32:42,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:42,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150660083] [2024-11-15 21:32:42,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:42,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:42,727 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-15 21:32:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:42,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-15 21:32:42,750 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-15 21:32:42,750 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-11-15 21:32:42,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-15 21:32:42,751 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-15 21:32:42,751 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-11-15 21:32:42,751 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-15 21:32:42,751 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-15 21:32:42,768 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-15 21:32:42,771 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:42,781 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:42,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-11-15 21:32:42,781 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;@5917137f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:42,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:43,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:43,274 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:43,274 INFO L132 ounterexampleChecker]: Examining path program with hash -1585063388, occurence #1 [2024-11-15 21:32:43,275 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:43,275 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:43,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:43,275 INFO L85 PathProgramCache]: Analyzing trace with hash 666755769, now seen corresponding path program 1 times [2024-11-15 21:32:43,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:43,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109237416] [2024-11-15 21:32:43,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:43,337 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 21:32:43,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:43,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109237416] [2024-11-15 21:32:43,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109237416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:43,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:43,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:43,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95471691] [2024-11-15 21:32:43,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:43,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:43,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:43,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:43,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:43,338 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:43,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:32:43,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:43,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-15 21:32:43,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:43,418 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:43,418 INFO L132 ounterexampleChecker]: Examining path program with hash -1343415765, occurence #1 [2024-11-15 21:32:43,419 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:43,419 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:43,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:43,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1425497000, now seen corresponding path program 1 times [2024-11-15 21:32:43,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:43,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331283219] [2024-11-15 21:32:43,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:43,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:43,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331283219] [2024-11-15 21:32:43,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331283219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:43,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271171913] [2024-11-15 21:32:43,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:43,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:43,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:43,473 INFO L229 MonitoredProcess]: Starting monitored process 9 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 21:32:43,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-15 21:32:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:43,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 21:32:43,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 21:32:43,558 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:43,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271171913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:43,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:43,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:43,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047388078] [2024-11-15 21:32:43,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:43,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:43,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:43,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:43,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:43,559 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:43,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 21:32:43,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:43,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-15 21:32:43,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:43,886 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:43,887 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:43,887 INFO L132 ounterexampleChecker]: Examining path program with hash -2145306540, occurence #1 [2024-11-15 21:32:43,887 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:43,887 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:43,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:43,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2144082413, now seen corresponding path program 1 times [2024-11-15 21:32:43,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:43,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735073883] [2024-11-15 21:32:43,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:43,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735073883] [2024-11-15 21:32:43,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735073883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:43,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938856237] [2024-11-15 21:32:43,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:43,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:43,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:43,969 INFO L229 MonitoredProcess]: Starting monitored process 10 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 21:32:43,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-15 21:32:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:44,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 21:32:44,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 21:32:44,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:44,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938856237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:44,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:44,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:44,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253158522] [2024-11-15 21:32:44,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:44,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:44,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:44,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:44,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:44,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:44,058 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:44,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 21:32:44,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-15 21:32:44,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:44,947 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:44,947 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:44,947 INFO L132 ounterexampleChecker]: Examining path program with hash -220856204, occurence #1 [2024-11-15 21:32:44,948 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:44,948 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:44,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:44,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2144633936, now seen corresponding path program 1 times [2024-11-15 21:32:44,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:44,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132284013] [2024-11-15 21:32:44,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:44,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:45,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132284013] [2024-11-15 21:32:45,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132284013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123239543] [2024-11-15 21:32:45,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:45,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:45,035 INFO L229 MonitoredProcess]: Starting monitored process 11 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 21:32:45,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-15 21:32:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:45,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-15 21:32:45,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:45,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-15 21:32:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-15 21:32:45,160 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:45,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123239543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:45,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:45,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:45,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320866310] [2024-11-15 21:32:45,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:45,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:45,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:45,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:45,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:45,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:45,161 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:45,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 21:32:45,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:45,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-15 21:32:45,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-15 21:32:45,459 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:45,459 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:45,460 INFO L132 ounterexampleChecker]: Examining path program with hash 172035738, occurence #1 [2024-11-15 21:32:45,460 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:45,460 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:45,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:45,460 INFO L85 PathProgramCache]: Analyzing trace with hash -862069900, now seen corresponding path program 1 times [2024-11-15 21:32:45,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:45,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179387242] [2024-11-15 21:32:45,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:45,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:45,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:45,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179387242] [2024-11-15 21:32:45,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179387242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:45,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381349610] [2024-11-15 21:32:45,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:45,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:45,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:45,576 INFO L229 MonitoredProcess]: Starting monitored process 12 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 21:32:45,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-15 21:32:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:45,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 21:32:45,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:45,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:45,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381349610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:45,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:45,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-15 21:32:45,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820314321] [2024-11-15 21:32:45,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:45,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 21:32:45,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:45,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 21:32:45,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-15 21:32:45,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:45,716 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:45,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 10 states have internal predecessors, (146), 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 21:32:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:45,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-15 21:32:46,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-15 21:32:46,046 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:46,046 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:46,047 INFO L132 ounterexampleChecker]: Examining path program with hash 172035738, occurence #2 [2024-11-15 21:32:46,047 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:46,047 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,047 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:46,048 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,048 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:46,049 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-15 21:32:46,049 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,049 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-11-15 21:32:46,049 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,050 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2024-11-15 21:32:46,050 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:46,050 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-11-15 21:32:46,050 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,050 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2024-11-15 21:32:46,050 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,050 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-15 21:32:46,050 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,050 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2024-11-15 21:32:46,050 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,050 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2024-11-15 21:32:46,060 WARN L197 CommutativityChecker]: Unsatisfiable commutativity condition generated: 6085#(not (or (not (= (store |#pthreadsMutex| |~#m~0.base| (store (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset| 1)) (store |#pthreadsMutex| |~#m~0.base| (store (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset| 0)))) (not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0)))) [2024-11-15 21:32:46,060 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,060 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-11-15 21:32:46,060 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:46,060 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:46,060 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:46,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:46,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1559030956, now seen corresponding path program 2 times [2024-11-15 21:32:46,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:46,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941141858] [2024-11-15 21:32:46,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:46,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:46,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941141858] [2024-11-15 21:32:46,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941141858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637327141] [2024-11-15 21:32:46,214 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:32:46,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:46,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:46,218 INFO L229 MonitoredProcess]: Starting monitored process 13 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 21:32:46,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-15 21:32:46,314 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-15 21:32:46,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:32:46,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-15 21:32:46,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-15 21:32:46,421 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:46,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637327141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:46,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:46,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-15 21:32:46,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42589933] [2024-11-15 21:32:46,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:46,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 21:32:46,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:46,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 21:32:46,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-15 21:32:46,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:46,422 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:46,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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 21:32:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-15 21:32:46,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-15 21:32:46,969 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:46,969 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:46,969 INFO L132 ounterexampleChecker]: Examining path program with hash 816459663, occurence #1 [2024-11-15 21:32:46,969 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:46,969 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:46,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:46,969 INFO L85 PathProgramCache]: Analyzing trace with hash 432709014, now seen corresponding path program 1 times [2024-11-15 21:32:46,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:46,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513981704] [2024-11-15 21:32:46,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:46,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:47,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:47,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513981704] [2024-11-15 21:32:47,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513981704] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:47,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93346018] [2024-11-15 21:32:47,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:47,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:47,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:47,092 INFO L229 MonitoredProcess]: Starting monitored process 14 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 21:32:47,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-15 21:32:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:47,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-15 21:32:47,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:47,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 21:32:47,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93346018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:47,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:47,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-15 21:32:47,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827752476] [2024-11-15 21:32:47,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:47,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-15 21:32:47,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:47,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-15 21:32:47,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-15 21:32:47,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:47,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:47,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.8) internal successors, (177), 15 states have internal predecessors, (177), 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 21:32:47,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:47,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:47,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:47,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:47,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:47,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-15 21:32:47,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-15 21:32:47,763 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:47,763 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:47,763 INFO L132 ounterexampleChecker]: Examining path program with hash 816459663, occurence #2 [2024-11-15 21:32:47,763 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:47,763 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:47,763 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,763 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:47,763 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,763 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:47,763 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,763 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:47,763 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,763 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:47,763 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,763 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:47,763 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,764 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-15 21:32:47,764 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,765 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-15 21:32:47,765 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-15 21:32:47,766 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:47,766 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:47,766 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-15 21:32:47,766 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-15 21:32:47,766 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-15 21:32:47,766 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-15 21:32:47,766 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,766 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-15 21:32:47,767 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:47,767 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-11-15 21:32:47,768 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,769 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-15 21:32:47,769 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,769 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2024-11-15 21:32:47,769 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,769 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-15 21:32:47,769 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:47,769 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-11-15 21:32:47,769 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,769 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-15 21:32:47,769 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,769 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-11-15 21:32:47,770 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,770 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2024-11-15 21:32:47,770 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:47,770 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2024-11-15 21:32:47,770 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,770 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2024-11-15 21:32:47,770 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,770 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2024-11-15 21:32:47,770 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,770 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-11-15 21:32:47,770 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,770 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2024-11-15 21:32:47,779 WARN L197 CommutativityChecker]: Unsatisfiable commutativity condition generated: 8501#(not (or (not (= (store |#pthreadsMutex| |~#m~0.base| (store (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset| 1)) (store |#pthreadsMutex| |~#m~0.base| (store (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset| 0)))) (not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0)))) [2024-11-15 21:32:47,779 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,779 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2024-11-15 21:32:47,779 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,779 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2024-11-15 21:32:47,779 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:47,779 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:47,779 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:47,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1232942047, now seen corresponding path program 2 times [2024-11-15 21:32:47,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:47,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24131846] [2024-11-15 21:32:47,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:47,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-15 21:32:47,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:47,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24131846] [2024-11-15 21:32:47,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24131846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:47,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:47,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 21:32:47,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43321585] [2024-11-15 21:32:47,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:47,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 21:32:47,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:47,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 21:32:47,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:47,985 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:47,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 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 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:47,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:32:54,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-15 21:32:54,830 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:54,830 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:54,831 INFO L132 ounterexampleChecker]: Examining path program with hash 1629353812, occurence #1 [2024-11-15 21:32:54,831 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:54,831 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:54,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:54,831 INFO L85 PathProgramCache]: Analyzing trace with hash -513607743, now seen corresponding path program 1 times [2024-11-15 21:32:54,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:54,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080152928] [2024-11-15 21:32:54,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:54,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-15 21:32:55,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:55,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080152928] [2024-11-15 21:32:55,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080152928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:55,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:55,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 21:32:55,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607275254] [2024-11-15 21:32:55,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:55,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 21:32:55,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:55,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 21:32:55,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-15 21:32:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:55,051 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:55,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:32:55,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:32:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:57,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-15 21:32:57,820 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:57,820 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:57,820 INFO L132 ounterexampleChecker]: Examining path program with hash -1537877641, occurence #1 [2024-11-15 21:32:57,820 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:57,820 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:57,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:57,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2137610715, now seen corresponding path program 1 times [2024-11-15 21:32:57,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:57,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526944880] [2024-11-15 21:32:57,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:57,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-15 21:32:57,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:57,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526944880] [2024-11-15 21:32:57,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526944880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:57,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:57,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 21:32:57,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412490404] [2024-11-15 21:32:57,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:57,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 21:32:57,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:57,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 21:32:57,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:57,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:57,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 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 21:32:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:32:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:33:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:09,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:33:09,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-15 21:33:09,764 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:33:09,764 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:33:09,764 INFO L132 ounterexampleChecker]: Examining path program with hash -1346905643, occurence #1 [2024-11-15 21:33:09,764 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:33:09,764 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:33:09,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:33:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash 411553306, now seen corresponding path program 1 times [2024-11-15 21:33:09,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:33:09,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443623368] [2024-11-15 21:33:09,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:33:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:33:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:33:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-15 21:33:09,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:33:09,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443623368] [2024-11-15 21:33:09,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443623368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:33:09,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:33:09,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-15 21:33:09,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169430222] [2024-11-15 21:33:09,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:33:09,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-15 21:33:09,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:33:09,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-15 21:33:09,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-15 21:33:09,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:09,934 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:33:09,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 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 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:33:09,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:18,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-15 21:33:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-15 21:33:18,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-15 21:33:18,084 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:33:18,084 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:33:18,084 INFO L132 ounterexampleChecker]: Examining path program with hash 1042835815, occurence #1 [2024-11-15 21:33:18,084 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:33:18,084 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:33:18,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:33:18,085 INFO L85 PathProgramCache]: Analyzing trace with hash -173905858, now seen corresponding path program 1 times [2024-11-15 21:33:18,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:33:18,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075383721] [2024-11-15 21:33:18,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:33:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:33:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:33:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-15 21:33:18,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:33:18,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075383721] [2024-11-15 21:33:18,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075383721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:33:18,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:33:18,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-15 21:33:18,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594692690] [2024-11-15 21:33:18,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:33:18,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-15 21:33:18,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:33:18,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-15 21:33:18,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-15 21:33:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:18,278 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:33:18,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 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 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-15 21:33:18,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.