/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/09_fmaxsym.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 21:32:21,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 21:32:21,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 21:32:21,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 21:32:21,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 21:32:21,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 21:32:21,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 21:32:21,899 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 21:32:21,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 21:32:21,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 21:32:21,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 21:32:21,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 21:32:21,900 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 21:32:21,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 21:32:21,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 21:32:21,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 21:32:21,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 21:32:21,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 21:32:21,901 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:32:21,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 21:32:21,902 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 21:32:21,902 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 21:32:22,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 21:32:22,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 21:32:22,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 21:32:22,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 21:32:22,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 21:32:22,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/09_fmaxsym.i [2024-11-15 21:32:23,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 21:32:23,744 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 21:32:23,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/09_fmaxsym.i [2024-11-15 21:32:23,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a87d0987d/9b5a179a4aa24c38947e8ae747ac4e17/FLAG36e91c137 [2024-11-15 21:32:23,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a87d0987d/9b5a179a4aa24c38947e8ae747ac4e17 [2024-11-15 21:32:23,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 21:32:23,771 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 21:32:23,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 21:32:23,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 21:32:23,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 21:32:23,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:32:23" (1/1) ... [2024-11-15 21:32:23,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4445925b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:23, skipping insertion in model container [2024-11-15 21:32:23,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:32:23" (1/1) ... [2024-11-15 21:32:23,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 21:32:24,072 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/09_fmaxsym.i[30746,30759] [2024-11-15 21:32:24,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:32:24,100 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 21:32:24,131 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/09_fmaxsym.i[30746,30759] [2024-11-15 21:32:24,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:32:24,167 INFO L204 MainTranslator]: Completed translation [2024-11-15 21:32:24,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24 WrapperNode [2024-11-15 21:32:24,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 21:32:24,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 21:32:24,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 21:32:24,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 21:32:24,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,210 INFO L138 Inliner]: procedures = 167, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-11-15 21:32:24,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 21:32:24,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 21:32:24,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 21:32:24,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 21:32:24,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 21:32:24,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 21:32:24,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 21:32:24,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 21:32:24,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (1/1) ... [2024-11-15 21:32:24,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:32:24,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:24,283 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 21:32:24,286 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 21:32:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-15 21:32:24,308 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-15 21:32:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-15 21:32:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-15 21:32:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-15 21:32:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 21:32:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-15 21:32:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 21:32:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-15 21:32:24,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 21:32:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 21:32:24,312 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 21:32:24,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 21:32:24,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 21:32:24,626 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 21:32:24,627 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 21:32:24,659 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 21:32:24,659 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-15 21:32:24,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:32:24 BoogieIcfgContainer [2024-11-15 21:32:24,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 21:32:24,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 21:32:24,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 21:32:24,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 21:32:24,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:32:23" (1/3) ... [2024-11-15 21:32:24,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f97862a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:32:24, skipping insertion in model container [2024-11-15 21:32:24,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:32:24" (2/3) ... [2024-11-15 21:32:24,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f97862a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:32:24, skipping insertion in model container [2024-11-15 21:32:24,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:32:24" (3/3) ... [2024-11-15 21:32:24,669 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym.i [2024-11-15 21:32:24,682 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 21:32:24,684 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 09_fmaxsym.i that has 2 procedures, 92 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-15 21:32:24,684 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 21:32:24,753 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-15 21:32:24,814 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:24,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 21:32:24,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:24,818 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 21:32:24,819 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 21:32:24,925 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:24,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-11-15 21:32:24,947 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;@3d9d866f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:24,947 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:25,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:25,439 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:25,439 INFO L132 ounterexampleChecker]: Examining path program with hash 347568864, occurence #1 [2024-11-15 21:32:25,439 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:25,439 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:25,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:25,445 INFO L85 PathProgramCache]: Analyzing trace with hash 649122656, now seen corresponding path program 1 times [2024-11-15 21:32:25,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:25,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668444943] [2024-11-15 21:32:25,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:25,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:25,756 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 21:32:25,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:25,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668444943] [2024-11-15 21:32:25,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668444943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:25,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:25,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:25,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659031538] [2024-11-15 21:32:25,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:25,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:25,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:25,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:25,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:25,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:25,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 21:32:25,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:25,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 21:32:25,851 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:25,851 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:25,852 INFO L132 ounterexampleChecker]: Examining path program with hash -1581944615, occurence #1 [2024-11-15 21:32:25,852 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:25,852 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:25,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:25,853 INFO L85 PathProgramCache]: Analyzing trace with hash -263989389, now seen corresponding path program 1 times [2024-11-15 21:32:25,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:25,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759460147] [2024-11-15 21:32:25,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:25,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:26,098 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 21:32:26,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:26,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759460147] [2024-11-15 21:32:26,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759460147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:26,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817423407] [2024-11-15 21:32:26,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:26,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:26,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:26,103 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 21:32:26,104 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 21:32:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:26,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 21:32:26,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:26,255 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 21:32:26,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:26,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817423407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:26,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:26,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:26,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743362866] [2024-11-15 21:32:26,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:26,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:26,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:26,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:26,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:26,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:26,259 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:26,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 21:32:26,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:26,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:26,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:26,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:26,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-15 21:32:26,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 21:32:26,937 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 21:32:26,943 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-15 21:32:26,944 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2024-11-15 21:32:26,951 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:26,955 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:26,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 21:32:26,955 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;@3d9d866f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:26,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:26,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:26,980 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:26,980 INFO L132 ounterexampleChecker]: Examining path program with hash -1743103356, occurence #1 [2024-11-15 21:32:26,981 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:26,981 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:26,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1133335818, now seen corresponding path program 1 times [2024-11-15 21:32:26,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:26,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443327991] [2024-11-15 21:32:26,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:26,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:27,072 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 21:32:27,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:27,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443327991] [2024-11-15 21:32:27,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443327991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:27,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:27,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:27,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049748789] [2024-11-15 21:32:27,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:27,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:27,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:27,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:27,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:27,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:27,074 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:27,074 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 21:32:27,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:27,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:27,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-15 21:32:27,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:27,116 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:27,116 INFO L132 ounterexampleChecker]: Examining path program with hash 396036710, occurence #1 [2024-11-15 21:32:27,116 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:27,116 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:27,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:27,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1886759703, now seen corresponding path program 1 times [2024-11-15 21:32:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:27,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186288136] [2024-11-15 21:32:27,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:27,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:27,252 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 21:32:27,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:27,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186288136] [2024-11-15 21:32:27,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186288136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:27,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144252027] [2024-11-15 21:32:27,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:27,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:27,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:27,255 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 21:32:27,257 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 21:32:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:27,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 21:32:27,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:27,373 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 21:32:27,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:27,417 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 21:32:27,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144252027] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:27,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:27,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-15 21:32:27,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149456357] [2024-11-15 21:32:27,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:27,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 21:32:27,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:27,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 21:32:27,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-15 21:32:27,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:27,424 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:27,424 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 21:32:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:27,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:27,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:27,516 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 21:32:27,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:27,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:27,703 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:27,704 INFO L132 ounterexampleChecker]: Examining path program with hash 396036710, occurence #2 [2024-11-15 21:32:27,704 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:27,704 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:27,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:27,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:27,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:27,705 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,705 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:27,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:27,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:27,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:27,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:27,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:27,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:27,706 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,706 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-15 21:32:27,707 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,707 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-15 21:32:27,707 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,707 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:27,707 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,707 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:27,707 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,707 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:27,707 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,707 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-15 21:32:27,707 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,707 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:27,707 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,707 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:27,708 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,708 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:27,708 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,708 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 21:32:27,708 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,708 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:27,708 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,708 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:27,708 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,708 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:27,708 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,708 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:27,709 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,709 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:27,709 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,709 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:27,709 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,709 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:27,709 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:27,709 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:27,709 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,709 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-15 21:32:27,709 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:27,710 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:27,710 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:27,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:27,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1669087273, now seen corresponding path program 2 times [2024-11-15 21:32:27,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:27,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378445295] [2024-11-15 21:32:27,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:27,932 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 21:32:27,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:27,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378445295] [2024-11-15 21:32:27,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378445295] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:27,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027003184] [2024-11-15 21:32:27,933 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:32:27,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:27,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:27,935 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 21:32:27,938 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 21:32:28,031 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 21:32:28,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:32:28,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-15 21:32:28,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:28,097 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 21:32:28,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:28,200 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 21:32:28,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027003184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:28,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:28,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-15 21:32:28,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893304115] [2024-11-15 21:32:28,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:28,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-15 21:32:28,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:28,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-15 21:32:28,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-15 21:32:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:28,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:28,204 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 21:32:28,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:28,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:28,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:28,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 21:32:28,572 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 21:32:28,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:28,572 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:28,573 INFO L132 ounterexampleChecker]: Examining path program with hash 396036710, occurence #3 [2024-11-15 21:32:28,573 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:28,573 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:28,573 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,573 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:28,573 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,573 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:28,573 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,573 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:28,573 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,573 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:28,573 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,573 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:28,573 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:28,574 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:28,574 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:28,574 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:28,574 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:28,574 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-15 21:32:28,574 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-15 21:32:28,574 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,574 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 21:32:28,575 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,575 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,576 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,576 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,576 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,576 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,576 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,576 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,576 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:28,576 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-15 21:32:28,577 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,577 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-15 21:32:28,578 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,578 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-15 21:32:28,578 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,578 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-15 21:32:28,578 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:28,578 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-15 21:32:28,578 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,578 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-15 21:32:28,578 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:28,578 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:28,578 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:28,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:28,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1756280321, now seen corresponding path program 3 times [2024-11-15 21:32:28,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:28,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443591146] [2024-11-15 21:32:28,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:28,639 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-15 21:32:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:28,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-15 21:32:28,698 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-15 21:32:28,698 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-11-15 21:32:28,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-15 21:32:28,700 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-15 21:32:28,701 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-11-15 21:32:28,702 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-15 21:32:28,702 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-15 21:32:28,733 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-15 21:32:28,739 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:28,749 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:28,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 21:32:28,750 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;@3d9d866f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:28,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:29,281 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:29,281 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:29,281 INFO L132 ounterexampleChecker]: Examining path program with hash 2017400682, occurence #1 [2024-11-15 21:32:29,281 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:29,281 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:29,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:29,282 INFO L85 PathProgramCache]: Analyzing trace with hash 53596157, now seen corresponding path program 1 times [2024-11-15 21:32:29,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:29,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615316279] [2024-11-15 21:32:29,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:29,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:29,369 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 21:32:29,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:29,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615316279] [2024-11-15 21:32:29,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615316279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:29,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:29,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:29,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712833163] [2024-11-15 21:32:29,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:29,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:29,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:29,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:29,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:29,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:29,371 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:29,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 21:32:29,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:29,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:29,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-15 21:32:29,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:29,443 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:29,444 INFO L132 ounterexampleChecker]: Examining path program with hash -2040560463, occurence #1 [2024-11-15 21:32:29,444 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:29,444 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:29,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:29,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1741212164, now seen corresponding path program 1 times [2024-11-15 21:32:29,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:29,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106989556] [2024-11-15 21:32:29,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:29,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:29,551 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 21:32:29,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:29,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106989556] [2024-11-15 21:32:29,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106989556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:29,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852471361] [2024-11-15 21:32:29,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:29,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:29,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:29,555 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 21:32:29,556 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 21:32:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:29,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 21:32:29,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:29,674 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 21:32:29,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:29,706 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 21:32:29,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852471361] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:29,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:29,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-15 21:32:29,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325051835] [2024-11-15 21:32:29,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:29,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 21:32:29,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:29,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 21:32:29,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-15 21:32:29,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:29,708 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:29,708 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 21:32:29,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:29,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:29,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:29,797 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 21:32:29,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:29,981 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:29,981 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:29,981 INFO L132 ounterexampleChecker]: Examining path program with hash -2040560463, occurence #2 [2024-11-15 21:32:29,981 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:29,981 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:29,981 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,981 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:29,981 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,981 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:29,981 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,981 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:29,981 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-15 21:32:29,982 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,982 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 21:32:29,983 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,983 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:29,984 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,984 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-15 21:32:29,984 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,985 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-15 21:32:29,985 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:29,985 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-15 21:32:29,985 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,985 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-15 21:32:29,985 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:29,985 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:29,985 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:29,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:29,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1219807140, now seen corresponding path program 2 times [2024-11-15 21:32:29,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:29,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830364218] [2024-11-15 21:32:29,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:29,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:30,132 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 21:32:30,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:30,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830364218] [2024-11-15 21:32:30,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830364218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:30,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102015618] [2024-11-15 21:32:30,132 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:32:30,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:30,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:30,134 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 21:32:30,136 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 21:32:30,242 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-15 21:32:30,242 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:32:30,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-15 21:32:30,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:30,297 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 21:32:30,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:30,380 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 21:32:30,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102015618] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:30,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:30,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-15 21:32:30,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984454447] [2024-11-15 21:32:30,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:30,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-15 21:32:30,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:30,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-15 21:32:30,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-15 21:32:30,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:30,382 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:30,382 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 21:32:30,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:30,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:30,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:30,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:30,555 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 21:32:30,738 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 21:32:30,739 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-15 21:32:30,739 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:30,739 INFO L132 ounterexampleChecker]: Examining path program with hash -2040560463, occurence #3 [2024-11-15 21:32:30,739 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:30,739 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:30,739 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,739 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:30,739 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,740 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:30,740 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,741 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:30,741 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,742 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:30,742 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,743 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-15 21:32:30,743 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-15 21:32:30,744 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-15 21:32:30,744 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-15 21:32:30,744 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-11-15 21:32:30,744 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-15 21:32:30,744 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2024-11-15 21:32:30,744 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-11-15 21:32:30,744 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,744 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-11-15 21:32:30,744 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:30,744 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:30,745 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:30,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:30,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1948814769, now seen corresponding path program 3 times [2024-11-15 21:32:30,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:30,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323885667] [2024-11-15 21:32:30,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:30,777 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-15 21:32:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 21:32:30,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-15 21:32:30,829 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-15 21:32:30,829 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-11-15 21:32:30,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-15 21:32:30,830 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-15 21:32:30,830 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-11-15 21:32:30,831 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-15 21:32:30,831 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-15 21:32:30,857 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-15 21:32:30,864 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:30,874 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:32:30,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-11-15 21:32:30,876 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;@3d9d866f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:32:30,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 21:32:31,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:31,721 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:31,722 INFO L132 ounterexampleChecker]: Examining path program with hash 1357703167, occurence #1 [2024-11-15 21:32:31,722 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:31,722 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:31,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:31,722 INFO L85 PathProgramCache]: Analyzing trace with hash -717616351, now seen corresponding path program 1 times [2024-11-15 21:32:31,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591289854] [2024-11-15 21:32:31,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:31,786 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 21:32:31,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:31,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591289854] [2024-11-15 21:32:31,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591289854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:31,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:31,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 21:32:31,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715076362] [2024-11-15 21:32:31,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:31,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:31,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:31,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:31,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 21:32:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:31,790 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:31,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 21:32:31,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:31,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:31,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-15 21:32:31,980 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:31,980 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:31,980 INFO L132 ounterexampleChecker]: Examining path program with hash -1663615180, occurence #1 [2024-11-15 21:32:31,980 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:31,980 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:31,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:31,980 INFO L85 PathProgramCache]: Analyzing trace with hash 573932638, now seen corresponding path program 1 times [2024-11-15 21:32:31,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:31,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778404761] [2024-11-15 21:32:31,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:31,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:32,082 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 21:32:32,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:32,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778404761] [2024-11-15 21:32:32,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778404761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:32,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963937871] [2024-11-15 21:32:32,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:32,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:32,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:32,085 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 21:32:32,087 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 21:32:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:32,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 21:32:32,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:32,205 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 21:32:32,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:32,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963937871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:32,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:32,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:32,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211072038] [2024-11-15 21:32:32,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:32,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:32,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:32,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:32,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:32,207 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:32,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 21:32:32,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:32,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:33,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:33,206 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 21:32:33,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:33,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:33,390 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:33,390 INFO L132 ounterexampleChecker]: Examining path program with hash 42033281, occurence #1 [2024-11-15 21:32:33,390 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:33,390 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:33,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:33,391 INFO L85 PathProgramCache]: Analyzing trace with hash -735074921, now seen corresponding path program 1 times [2024-11-15 21:32:33,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:33,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208125229] [2024-11-15 21:32:33,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:33,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-15 21:32:33,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:33,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208125229] [2024-11-15 21:32:33,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208125229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:33,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39690061] [2024-11-15 21:32:33,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:33,546 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 21:32:33,548 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 21:32:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:33,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 21:32:33,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-15 21:32:33,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:33,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39690061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:33,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:33,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:33,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135976314] [2024-11-15 21:32:33,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:33,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:33,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:33,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:33,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:33,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:33,754 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:33,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 21:32:33,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:33,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:33,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:33,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:33,895 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 21:32:34,079 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 21:32:34,079 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:34,079 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:34,079 INFO L132 ounterexampleChecker]: Examining path program with hash 2139754529, occurence #1 [2024-11-15 21:32:34,079 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:34,079 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:34,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash -187348307, now seen corresponding path program 1 times [2024-11-15 21:32:34,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:34,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833502734] [2024-11-15 21:32:34,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:34,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-15 21:32:34,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:34,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833502734] [2024-11-15 21:32:34,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833502734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:34,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667675232] [2024-11-15 21:32:34,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:34,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:34,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:34,274 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 21:32:34,277 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 21:32:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:34,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-15 21:32:34,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:34,504 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 21:32:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-15 21:32:34,522 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:34,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667675232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:34,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:34,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-15 21:32:34,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562283445] [2024-11-15 21:32:34,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:34,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 21:32:34,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:34,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 21:32:34,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:34,525 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:34,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 21:32:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:34,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:34,634 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 21:32:34,818 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 21:32:34,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:34,818 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:34,818 INFO L132 ounterexampleChecker]: Examining path program with hash -949740561, occurence #1 [2024-11-15 21:32:34,818 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:34,818 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:34,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:34,819 INFO L85 PathProgramCache]: Analyzing trace with hash 99605850, now seen corresponding path program 2 times [2024-11-15 21:32:34,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:34,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94843892] [2024-11-15 21:32:34,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:34,966 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 21:32:34,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:34,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94843892] [2024-11-15 21:32:34,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94843892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:34,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282607139] [2024-11-15 21:32:34,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:32:34,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:34,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:34,969 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 21:32:34,970 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 21:32:35,118 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-15 21:32:35,118 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:32:35,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-15 21:32:35,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:35,286 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 21:32:35,286 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:35,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282607139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:35,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:35,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-15 21:32:35,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035812516] [2024-11-15 21:32:35,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:35,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 21:32:35,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:35,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 21:32:35,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-15 21:32:35,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:35,288 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:35,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 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 21:32:35,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:35,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:35,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:35,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:35,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:36,113 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 21:32:36,299 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 21:32:36,300 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:36,300 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:36,300 INFO L132 ounterexampleChecker]: Examining path program with hash 744885563, occurence #1 [2024-11-15 21:32:36,300 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:36,300 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:36,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:36,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1506020147, now seen corresponding path program 1 times [2024-11-15 21:32:36,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:36,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836958939] [2024-11-15 21:32:36,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:36,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:36,415 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 21:32:36,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:36,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836958939] [2024-11-15 21:32:36,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836958939] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:36,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936458470] [2024-11-15 21:32:36,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:36,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:36,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:36,418 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 21:32:36,419 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 21:32:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:36,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 21:32:36,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:36,586 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 21:32:36,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:36,622 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 21:32:36,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936458470] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:36,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:36,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-15 21:32:36,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232064896] [2024-11-15 21:32:36,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:36,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 21:32:36,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:36,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 21:32:36,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-15 21:32:36,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:36,624 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:36,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 10 states have internal predecessors, (138), 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 21:32:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:36,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:37,029 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 21:32:37,211 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 21:32:37,211 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:37,211 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:37,212 INFO L132 ounterexampleChecker]: Examining path program with hash 744885563, occurence #2 [2024-11-15 21:32:37,212 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:37,212 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:37,212 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,212 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:37,212 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,212 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:37,212 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,212 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:37,212 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,212 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:37,212 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,212 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:37,212 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,213 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:37,213 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,214 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:37,214 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,215 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:37,215 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,215 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:37,215 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,215 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:37,215 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,215 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:37,215 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:37,215 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:37,215 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,215 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-15 21:32:37,215 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,215 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-15 21:32:37,215 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:37,216 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-15 21:32:37,216 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,216 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2024-11-15 21:32:37,216 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:37,216 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2024-11-15 21:32:37,230 WARN L197 CommutativityChecker]: Unsatisfiable commutativity condition generated: 11645#(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 21:32:37,230 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:37,230 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:37,230 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:37,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:37,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1155617299, now seen corresponding path program 2 times [2024-11-15 21:32:37,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:37,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436060662] [2024-11-15 21:32:37,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:37,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:37,405 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 21:32:37,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:37,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436060662] [2024-11-15 21:32:37,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436060662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:37,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473313003] [2024-11-15 21:32:37,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-15 21:32:37,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:37,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:37,408 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 21:32:37,409 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 21:32:37,543 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-15 21:32:37,543 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-15 21:32:37,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-15 21:32:37,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:37,600 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 21:32:37,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 21:32:37,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473313003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:37,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-15 21:32:37,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-15 21:32:37,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733296989] [2024-11-15 21:32:37,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:37,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-15 21:32:37,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:37,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-15 21:32:37,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-15 21:32:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:37,602 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:37,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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 21:32:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:41,775 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 21:32:41,958 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 21:32:41,958 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:41,958 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:41,958 INFO L132 ounterexampleChecker]: Examining path program with hash -853391022, occurence #1 [2024-11-15 21:32:41,958 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:41,958 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:41,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:41,959 INFO L85 PathProgramCache]: Analyzing trace with hash 886727962, now seen corresponding path program 1 times [2024-11-15 21:32:41,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:41,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454155758] [2024-11-15 21:32:41,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:41,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:42,170 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 21:32:42,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:42,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454155758] [2024-11-15 21:32:42,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454155758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 21:32:42,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192575157] [2024-11-15 21:32:42,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:42,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 21:32:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:32:42,174 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 21:32:42,176 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 21:32:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:42,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-15 21:32:42,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 21:32:42,465 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 21:32:42,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 21:32:42,547 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 21:32:42,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192575157] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 21:32:42,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 21:32:42,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-15 21:32:42,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181654713] [2024-11-15 21:32:42,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 21:32:42,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-15 21:32:42,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:42,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-15 21:32:42,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-15 21:32:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:42,550 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:42,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.066666666666666) internal successors, (166), 15 states have internal predecessors, (166), 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 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:42,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:44,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-15 21:32:44,198 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 21:32:44,199 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:44,199 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:44,199 INFO L132 ounterexampleChecker]: Examining path program with hash -853391022, occurence #2 [2024-11-15 21:32:44,199 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-15 21:32:44,199 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-15 21:32:44,199 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,199 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-15 21:32:44,199 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,199 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-15 21:32:44,199 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,199 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-15 21:32:44,199 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,200 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-15 21:32:44,200 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-11-15 21:32:44,201 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,201 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-11-15 21:32:44,202 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,202 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,203 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-15 21:32:44,203 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,204 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-11-15 21:32:44,204 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:44,204 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-11-15 21:32:44,204 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,204 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-11-15 21:32:44,204 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:44,204 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2024-11-15 21:32:44,204 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,204 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2024-11-15 21:32:44,204 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-15 21:32:44,204 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2024-11-15 21:32:44,204 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,204 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-11-15 21:32:44,217 WARN L197 CommutativityChecker]: Unsatisfiable commutativity condition generated: 63017#(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 21:32:44,217 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-15 21:32:44,217 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-15 21:32:44,217 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:44,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:44,218 INFO L85 PathProgramCache]: Analyzing trace with hash 15997833, now seen corresponding path program 2 times [2024-11-15 21:32:44,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:44,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73515291] [2024-11-15 21:32:44,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:44,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:44,727 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 21:32:44,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:44,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73515291] [2024-11-15 21:32:44,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73515291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:44,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:44,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-15 21:32:44,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932599048] [2024-11-15 21:32:44,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:44,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-15 21:32:44,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:44,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-15 21:32:44,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-15 21:32:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:44,729 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:44,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 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 21:32:44,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:44,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:44,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:46,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-15 21:32:46,540 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:46,540 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:46,540 INFO L132 ounterexampleChecker]: Examining path program with hash -1127046773, occurence #1 [2024-11-15 21:32:46,540 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:46,540 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:46,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:46,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1473670820, now seen corresponding path program 1 times [2024-11-15 21:32:46,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:46,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426819948] [2024-11-15 21:32:46,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:46,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:46,666 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 21:32:46,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:46,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426819948] [2024-11-15 21:32:46,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426819948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:46,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:46,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 21:32:46,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305206434] [2024-11-15 21:32:46,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:46,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 21:32:46,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:46,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 21:32:46,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:46,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:46,669 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:46,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:46,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:48,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-15 21:32:48,644 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:32:48,644 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:32:48,644 INFO L132 ounterexampleChecker]: Examining path program with hash 1616386114, occurence #1 [2024-11-15 21:32:48,644 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:32:48,644 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:32:48,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:32:48,644 INFO L85 PathProgramCache]: Analyzing trace with hash -718439442, now seen corresponding path program 1 times [2024-11-15 21:32:48,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:32:48,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555952856] [2024-11-15 21:32:48,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:32:48,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:32:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:32:48,765 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 21:32:48,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:32:48,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555952856] [2024-11-15 21:32:48,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555952856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:32:48,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:32:48,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 21:32:48,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392578360] [2024-11-15 21:32:48,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:32:48,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 21:32:48,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:32:48,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 21:32:48,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-15 21:32:48,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:32:48,767 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:32:48,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 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 21:32:48,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:32:48,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:33:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:33:19,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-15 21:33:19,697 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:33:19,697 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:33:19,697 INFO L132 ounterexampleChecker]: Examining path program with hash -33786092, occurence #1 [2024-11-15 21:33:19,697 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:33:19,697 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:33:19,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:33:19,698 INFO L85 PathProgramCache]: Analyzing trace with hash -319916917, now seen corresponding path program 1 times [2024-11-15 21:33:19,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:33:19,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301427968] [2024-11-15 21:33:19,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:33:19,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:33:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:33:19,880 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 21:33:19,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:33:19,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301427968] [2024-11-15 21:33:19,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301427968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:33:19,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:33:19,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-15 21:33:19,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415455195] [2024-11-15 21:33:19,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:33:19,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-15 21:33:19,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:33:19,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-15 21:33:19,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-15 21:33:19,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:19,882 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:33:19,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.555555555555557) internal successors, (176), 9 states have internal predecessors, (176), 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 21:33:19,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:33:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:43,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:33:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-15 21:33:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-15 21:33:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-15 21:33:43,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-15 21:33:43,150 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 21:33:43,150 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:33:43,150 INFO L132 ounterexampleChecker]: Examining path program with hash 973447060, occurence #1 [2024-11-15 21:33:43,151 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:33:43,151 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:33:43,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:33:43,151 INFO L85 PathProgramCache]: Analyzing trace with hash -724320217, now seen corresponding path program 2 times [2024-11-15 21:33:43,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:33:43,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645547756] [2024-11-15 21:33:43,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:33:43,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:33:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:33:43,313 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 21:33:43,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:33:43,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645547756] [2024-11-15 21:33:43,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645547756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:33:43,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:33:43,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-15 21:33:43,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371995203] [2024-11-15 21:33:43,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:33:43,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-15 21:33:43,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:33:43,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-15 21:33:43,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-15 21:33:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:33:43,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:33:43,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 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 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-15 21:33:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-15 21:33:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.