/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:23:03,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:23:03,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:23:03,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:23:03,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:23:03,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:23:03,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:23:03,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:23:03,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:23:03,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:23:03,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:23:03,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:23:03,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:23:03,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:23:03,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:23:03,866 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:23:03,866 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 [2024-11-16 00:23:04,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:23:04,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:23:04,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:23:04,067 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 00:23:04,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 00:23:04,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c [2024-11-16 00:23:05,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 00:23:05,563 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 00:23:05,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-2.wvr.c [2024-11-16 00:23:05,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c223c37eb/3a28addf64a349648318d80cb06316cd/FLAG3b4f4a87a [2024-11-16 00:23:05,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c223c37eb/3a28addf64a349648318d80cb06316cd [2024-11-16 00:23:05,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:23:05,600 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-16 00:23:05,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 00:23:05,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 00:23:05,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 00:23:05,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a8b902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05, skipping insertion in model container [2024-11-16 00:23:05,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 00:23:05,761 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-2.wvr.c[2454,2467] [2024-11-16 00:23:05,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:23:05,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 00:23:05,789 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-2.wvr.c[2454,2467] [2024-11-16 00:23:05,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:23:05,808 INFO L204 MainTranslator]: Completed translation [2024-11-16 00:23:05,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05 WrapperNode [2024-11-16 00:23:05,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 00:23:05,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:23:05,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:23:05,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:23:05,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,840 INFO L138 Inliner]: procedures = 23, calls = 22, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 124 [2024-11-16 00:23:05,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:23:05,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:23:05,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:23:05,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:23:05,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:23:05,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:23:05,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:23:05,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:23:05,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (1/1) ... [2024-11-16 00:23:05,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:23:05,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:23:05,895 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) [2024-11-16 00:23:05,897 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 [2024-11-16 00:23:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 00:23:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 00:23:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 00:23:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 00:23:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 00:23:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 00:23:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 00:23:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 00:23:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:23:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:23:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 00:23:05,917 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 00:23:05,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:23:05,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:23:06,145 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:23:06,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:23:06,153 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:23:06,154 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-16 00:23:06,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:23:06 BoogieIcfgContainer [2024-11-16 00:23:06,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:23:06,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:23:06,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:23:06,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:23:06,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:23:05" (1/3) ... [2024-11-16 00:23:06,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2719bd26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:23:06, skipping insertion in model container [2024-11-16 00:23:06,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:23:05" (2/3) ... [2024-11-16 00:23:06,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2719bd26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:23:06, skipping insertion in model container [2024-11-16 00:23:06,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:23:06" (3/3) ... [2024-11-16 00:23:06,161 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2024-11-16 00:23:06,171 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:23:06,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-2.wvr.c that has 3 procedures, 152 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-16 00:23:06,173 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:23:06,234 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 00:23:06,276 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:23:06,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:23:06,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:23:06,278 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) [2024-11-16 00:23:06,282 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 [2024-11-16 00:23:06,343 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:23:06,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:23:06,362 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;@18f42553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:23:06,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:23:06,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:23:06,573 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:23:06,573 INFO L132 ounterexampleChecker]: Examining path program with hash -1046891957, occurence #1 [2024-11-16 00:23:06,573 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:23:06,573 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:23:06,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:23:06,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1057908742, now seen corresponding path program 1 times [2024-11-16 00:23:06,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:23:06,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338579522] [2024-11-16 00:23:06,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:23:06,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:23:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:23:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:23:06,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:23:06,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338579522] [2024-11-16 00:23:06,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338579522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:23:06,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:23:06,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 00:23:06,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963223054] [2024-11-16 00:23:06,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:23:06,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 00:23:06,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:23:06,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 00:23:06,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 00:23:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:06,790 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:23:06,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 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) [2024-11-16 00:23:06,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:06,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:06,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:23:06,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:23:06,832 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:23:06,832 INFO L132 ounterexampleChecker]: Examining path program with hash 1218485667, occurence #1 [2024-11-16 00:23:06,832 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:23:06,832 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:23:06,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:23:06,833 INFO L85 PathProgramCache]: Analyzing trace with hash -676985954, now seen corresponding path program 1 times [2024-11-16 00:23:06,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:23:06,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813779853] [2024-11-16 00:23:06,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:23:06,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:23:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:23:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:23:07,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:23:07,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813779853] [2024-11-16 00:23:07,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813779853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:23:07,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:23:07,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 00:23:07,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875310482] [2024-11-16 00:23:07,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:23:07,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 00:23:07,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:23:07,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 00:23:07,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 00:23:07,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,299 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:23:07,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:23:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:23:07,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 00:23:07,403 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:23:07,403 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:23:07,403 INFO L132 ounterexampleChecker]: Examining path program with hash 556505658, occurence #1 [2024-11-16 00:23:07,403 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:23:07,403 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:23:07,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:23:07,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1475340390, now seen corresponding path program 1 times [2024-11-16 00:23:07,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:23:07,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572367329] [2024-11-16 00:23:07,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:23:07,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:23:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:23:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-16 00:23:07,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:23:07,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572367329] [2024-11-16 00:23:07,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572367329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:23:07,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:23:07,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 00:23:07,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650390498] [2024-11-16 00:23:07,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:23:07,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 00:23:07,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:23:07,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 00:23:07,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 00:23:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,669 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:23:07,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 8 states have internal predecessors, (131), 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) [2024-11-16 00:23:07,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:23:07,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:07,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:23:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:23:07,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 00:23:07,794 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:23:07,794 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:23:07,795 INFO L132 ounterexampleChecker]: Examining path program with hash 738089412, occurence #1 [2024-11-16 00:23:07,795 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:23:07,795 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:23:07,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:23:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1481258973, now seen corresponding path program 1 times [2024-11-16 00:23:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:23:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174749818] [2024-11-16 00:23:07,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:23:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:23:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:23:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:23:09,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:23:09,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174749818] [2024-11-16 00:23:09,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174749818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:23:09,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135902609] [2024-11-16 00:23:09,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:23:09,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:23:09,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:23:09,119 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) [2024-11-16 00:23:09,120 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 [2024-11-16 00:23:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:23:09,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-16 00:23:09,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:23:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:23:10,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:23:10,878 INFO L349 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2024-11-16 00:23:10,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 82 [2024-11-16 00:23:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:23:11,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135902609] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:23:11,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:23:11,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 22] total 57 [2024-11-16 00:23:11,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237792062] [2024-11-16 00:23:11,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:23:11,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-16 00:23:11,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:23:11,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-16 00:23:11,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=2810, Unknown=0, NotChecked=0, Total=3192 [2024-11-16 00:23:11,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:11,517 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:23:11,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.631578947368421) internal successors, (378), 57 states have internal predecessors, (378), 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) [2024-11-16 00:23:11,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:11,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:23:11,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:23:11,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:12,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:12,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:23:12,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:23:12,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-16 00:23:12,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 00:23:12,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:23:12,947 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:23:12,947 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:23:12,948 INFO L132 ounterexampleChecker]: Examining path program with hash 738089412, occurence #2 [2024-11-16 00:23:12,948 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:23:12,948 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-16 00:23:12,949 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,949 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-16 00:23:12,950 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,950 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-16 00:23:12,950 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,950 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-16 00:23:12,950 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,950 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-16 00:23:12,950 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,950 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-16 00:23:12,950 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,950 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-11-16 00:23:12,950 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,950 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,951 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,951 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,951 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,951 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,951 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,951 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,951 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-16 00:23:12,951 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-11-16 00:23:12,952 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,952 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-16 00:23:12,953 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,954 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-16 00:23:12,954 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,955 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-11-16 00:23:12,955 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,955 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-16 00:23:12,955 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,955 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-16 00:23:12,956 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,956 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-16 00:23:12,956 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,956 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-16 00:23:12,956 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,956 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-11-16 00:23:12,971 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:23:12,971 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-11-16 00:23:12,971 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,971 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-11-16 00:23:12,971 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,972 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-16 00:23:12,972 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:23:12,972 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-11-16 00:23:12,972 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,972 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-11-16 00:23:12,972 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:23:12,972 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2024-11-16 00:23:12,972 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,972 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2024-11-16 00:23:12,972 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:23:12,972 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:23:12,972 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:23:12,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:23:12,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1597864232, now seen corresponding path program 2 times [2024-11-16 00:23:12,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:23:12,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142843824] [2024-11-16 00:23:12,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:23:12,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:23:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:23:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 00:23:13,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:23:13,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142843824] [2024-11-16 00:23:13,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142843824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:23:13,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066556142] [2024-11-16 00:23:13,622 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 00:23:13,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:23:13,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:23:13,624 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) [2024-11-16 00:23:13,634 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 [2024-11-16 00:23:13,827 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 00:23:13,827 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:23:13,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-16 00:23:13,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:23:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 00:23:14,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:23:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 00:23:14,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066556142] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:23:14,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:23:14,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 10] total 31 [2024-11-16 00:23:14,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509965095] [2024-11-16 00:23:14,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:23:14,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-16 00:23:14,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:23:14,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-16 00:23:14,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-11-16 00:23:14,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:14,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:23:14,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 12.580645161290322) internal successors, (390), 31 states have internal predecessors, (390), 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) [2024-11-16 00:23:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:23:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:23:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-16 00:23:14,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:23:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:23:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:23:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-16 00:23:16,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-16 00:23:16,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 00:23:16,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:23:16,485 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:23:16,486 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:23:16,486 INFO L132 ounterexampleChecker]: Examining path program with hash 1246965398, occurence #1 [2024-11-16 00:23:16,486 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:23:16,486 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:23:16,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:23:16,487 INFO L85 PathProgramCache]: Analyzing trace with hash 401530415, now seen corresponding path program 3 times [2024-11-16 00:23:16,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:23:16,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512855495] [2024-11-16 00:23:16,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:23:16,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:23:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:23:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 00:23:17,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:23:17,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512855495] [2024-11-16 00:23:17,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512855495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:23:17,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052299667] [2024-11-16 00:23:17,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-16 00:23:17,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:23:17,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:23:17,848 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) [2024-11-16 00:23:17,849 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 [2024-11-16 00:23:18,107 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-16 00:23:18,107 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:23:18,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-11-16 00:23:18,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:23:18,590 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 15 treesize of output 1 [2024-11-16 00:23:25,499 INFO L349 Elim1Store]: treesize reduction 74, result has 38.8 percent of original size [2024-11-16 00:23:25,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 177 treesize of output 96 [2024-11-16 00:23:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 41 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:23:25,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:23:51,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1230 treesize of output 1074 [2024-11-16 00:24:02,890 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification that was a NOOP. DAG size: 891 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-16 00:24:02,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 00:24:02,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 39 new quantified variables, introduced 210 case distinctions, treesize of input 135345 treesize of output 72261 [2024-11-16 00:24:21,737 WARN L286 SmtUtils]: Spent 18.84s on a formula simplification. DAG size of input: 2017 DAG size of output: 1974 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-16 00:27:28,624 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-16 00:27:28,625 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-16 00:27:28,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-11-16 00:27:28,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 00:27:28,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:27:28,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-16 00:27:28,843 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:326) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-11-16 00:27:28,849 INFO L158 Benchmark]: Toolchain (without parser) took 263248.79ms. Allocated memory was 100.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 73.0MB in the beginning and 428.8MB in the end (delta: -355.8MB). Peak memory consumption was 711.4MB. Max. memory is 8.0GB. [2024-11-16 00:27:28,849 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:27:28,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.64ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 60.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-16 00:27:28,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.18ms. Allocated memory is still 100.7MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-16 00:27:28,849 INFO L158 Benchmark]: Boogie Preprocessor took 24.16ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 58.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:27:28,850 INFO L158 Benchmark]: RCFGBuilder took 288.72ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 43.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-16 00:27:28,850 INFO L158 Benchmark]: TraceAbstraction took 262692.40ms. Allocated memory was 100.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 42.4MB in the beginning and 428.8MB in the end (delta: -386.4MB). Peak memory consumption was 677.8MB. Max. memory is 8.0GB. [2024-11-16 00:27:28,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 204.64ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 60.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.18ms. Allocated memory is still 100.7MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.16ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 58.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 288.72ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 43.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 262692.40ms. Allocated memory was 100.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 42.4MB in the beginning and 428.8MB in the end (delta: -386.4MB). Peak memory consumption was 677.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...