/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 SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 04:49:59,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:49:59,586 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 04:49:59,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:49:59,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:49:59,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:49:59,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:49:59,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:49:59,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:49:59,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:49:59,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 04:49:59,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 04:49:59,620 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 04:49:59,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:49:59,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:49:59,621 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:49:59,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:49:59,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:49:59,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:49:59,623 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 04:49:59,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:49:59,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:59,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:49:59,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:49:59,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:49:59,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 04:49:59,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:49:59,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:49:59,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 04:49:59,624 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 04:49:59,624 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 04:49:59,624 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 -> SUFFICIENT [2024-11-14 04:49:59,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:49:59,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:49:59,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:49:59,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:49:59,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:49:59,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2024-11-14 04:50:01,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:50:01,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:50:01,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/queue_ok_longest.i [2024-11-14 04:50:01,495 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/163b26fb4/41f4888c05444941b0f7db3ba2474624/FLAG37680bd65 [2024-11-14 04:50:01,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/163b26fb4/41f4888c05444941b0f7db3ba2474624 [2024-11-14 04:50:01,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:50:01,781 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 04:50:01,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:50:01,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:50:01,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:50:01,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:50:01" (1/1) ... [2024-11-14 04:50:01,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3482e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:01, skipping insertion in model container [2024-11-14 04:50:01,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:50:01" (1/1) ... [2024-11-14 04:50:01,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:50:02,166 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/queue_ok_longest.i[43280,43293] [2024-11-14 04:50:02,172 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/queue_ok_longest.i[43553,43566] [2024-11-14 04:50:02,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:50:02,237 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:50:02,279 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/queue_ok_longest.i[43280,43293] [2024-11-14 04:50:02,283 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/queue_ok_longest.i[43553,43566] [2024-11-14 04:50:02,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:50:02,403 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:50:02,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02 WrapperNode [2024-11-14 04:50:02,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:50:02,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:50:02,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:50:02,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:50:02,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,555 INFO L138 Inliner]: procedures = 277, calls = 1655, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1798 [2024-11-14 04:50:02,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:50:02,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:50:02,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:50:02,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:50:02,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:50:02,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:50:02,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:50:02,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:50:02,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (1/1) ... [2024-11-14 04:50:02,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:50:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:50:02,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:50:02,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-14 04:50:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-14 04:50:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 04:50:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:50:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:50:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:50:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:50:02,727 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 04:50:02,894 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:50:02,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:50:04,844 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 04:50:04,844 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:50:04,897 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:50:04,897 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 04:50:04,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:50:04 BoogieIcfgContainer [2024-11-14 04:50:04,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:50:04,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:50:04,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:50:04,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:50:04,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:50:01" (1/3) ... [2024-11-14 04:50:04,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c303ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:50:04, skipping insertion in model container [2024-11-14 04:50:04,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:02" (2/3) ... [2024-11-14 04:50:04,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c303ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:50:04, skipping insertion in model container [2024-11-14 04:50:04,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:50:04" (3/3) ... [2024-11-14 04:50:04,905 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2024-11-14 04:50:04,919 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:50:04,921 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_ok_longest.i that has 3 procedures, 1812 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-14 04:50:04,921 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 04:50:05,132 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 04:50:05,228 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:50:05,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 04:50:05,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:50:05,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 04:50:05,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 04:50:05,325 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 04:50:05,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 04:50:05,347 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;@5a9a8cb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:50:05,347 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 04:50:05,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 04:50:05,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:05,604 INFO L85 PathProgramCache]: Analyzing trace with hash -283536758, now seen corresponding path program 1 times [2024-11-14 04:50:05,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:05,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114112332] [2024-11-14 04:50:05,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:05,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:07,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114112332] [2024-11-14 04:50:07,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114112332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:50:07,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:50:07,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:50:07,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205738319] [2024-11-14 04:50:07,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:50:07,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:50:07,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:07,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:50:07,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:50:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:07,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:07,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 829.0) internal successors, (1658), 2 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:07,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:08,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 04:50:08,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 04:50:08,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 04:50:08,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:50:08,102 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:50:08,104 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2024-11-14 04:50:08,140 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:50:08,141 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 04:50:08,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2024-11-14 04:50:08,142 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;@5a9a8cb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:50:08,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:50:08,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:08,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:08,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1156338929, now seen corresponding path program 1 times [2024-11-14 04:50:08,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:08,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432153427] [2024-11-14 04:50:08,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:08,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:09,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:09,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432153427] [2024-11-14 04:50:09,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432153427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:50:09,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:50:09,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:50:09,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95540665] [2024-11-14 04:50:09,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:50:09,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:50:09,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:09,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:50:09,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:50:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:09,971 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:09,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 882.5) internal successors, (1765), 2 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:09,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:10,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:50:10,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:10,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash 509255416, now seen corresponding path program 1 times [2024-11-14 04:50:10,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:10,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287230794] [2024-11-14 04:50:10,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:13,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287230794] [2024-11-14 04:50:13,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287230794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:50:13,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:50:13,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:50:13,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146882343] [2024-11-14 04:50:13,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:50:13,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:50:13,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:13,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:50:13,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:50:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:13,384 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:13,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 587.6666666666666) internal successors, (1763), 3 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:13,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:13,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:13,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:13,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:50:13,578 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:13,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:13,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1900355481, now seen corresponding path program 1 times [2024-11-14 04:50:13,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:13,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56712186] [2024-11-14 04:50:13,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:13,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:14,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:14,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56712186] [2024-11-14 04:50:14,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56712186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:50:14,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:50:14,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:50:14,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592246654] [2024-11-14 04:50:14,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:50:14,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:50:14,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:14,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:50:14,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:50:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:14,571 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:14,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 579.6666666666666) internal successors, (1739), 3 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:14,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:14,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:50:14,698 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:14,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:14,701 INFO L85 PathProgramCache]: Analyzing trace with hash -675921135, now seen corresponding path program 1 times [2024-11-14 04:50:14,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:14,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970744595] [2024-11-14 04:50:14,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:14,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:15,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:15,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970744595] [2024-11-14 04:50:15,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970744595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:50:15,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835324513] [2024-11-14 04:50:15,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:15,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:15,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:50:15,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:50:15,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:50:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:16,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 3645 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:50:16,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:16,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:50:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:17,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835324513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:50:17,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:50:17,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 04:50:17,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787678777] [2024-11-14 04:50:17,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:50:17,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 04:50:17,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:17,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 04:50:17,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:50:17,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:17,110 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:17,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 185.7) internal successors, (1857), 10 states have internal predecessors, (1857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:17,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:17,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:17,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:17,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:17,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 04:50:17,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:17,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:17,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1282086399, now seen corresponding path program 2 times [2024-11-14 04:50:17,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:17,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811393360] [2024-11-14 04:50:17,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:17,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:19,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:19,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811393360] [2024-11-14 04:50:19,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811393360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:50:19,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637347487] [2024-11-14 04:50:19,230 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:50:19,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:50:19,233 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) [2024-11-14 04:50:19,234 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 [2024-11-14 04:50:19,915 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-14 04:50:19,915 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:50:19,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 3548 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:50:19,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-14 04:50:20,041 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:50:20,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637347487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:50:20,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:50:20,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-11-14 04:50:20,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667188027] [2024-11-14 04:50:20,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:50:20,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:50:20,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:20,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:50:20,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:50:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:20,046 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:20,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 442.75) internal successors, (1771), 4 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:20,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:20,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:50:20,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:50:20,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:20,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:20,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:20,382 INFO L85 PathProgramCache]: Analyzing trace with hash 256408643, now seen corresponding path program 1 times [2024-11-14 04:50:20,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:20,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623854947] [2024-11-14 04:50:20,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:20,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:21,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:21,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623854947] [2024-11-14 04:50:21,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623854947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:50:21,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520678458] [2024-11-14 04:50:21,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:21,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:50:21,745 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) [2024-11-14 04:50:21,747 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 [2024-11-14 04:50:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:22,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 3836 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:50:22,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:22,641 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:22,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:50:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:22,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520678458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:50:22,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:50:22,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 04:50:22,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984963134] [2024-11-14 04:50:22,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:50:22,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 04:50:22,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:22,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 04:50:22,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 04:50:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:22,893 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:22,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 110.16666666666667) internal successors, (1983), 18 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:22,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:50:22,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:23,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:23,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:23,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:23,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:23,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:50:23,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:50:23,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:50:23,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:23,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:23,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1678852643, now seen corresponding path program 2 times [2024-11-14 04:50:23,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:23,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952409507] [2024-11-14 04:50:23,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:25,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:25,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952409507] [2024-11-14 04:50:25,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952409507] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:50:25,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336422862] [2024-11-14 04:50:25,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:50:25,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:25,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:50:25,990 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) [2024-11-14 04:50:25,992 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 [2024-11-14 04:50:27,097 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:50:27,098 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:50:27,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 4224 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 04:50:27,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:27,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:50:28,030 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:28,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336422862] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:50:28,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:50:28,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-14 04:50:28,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000565907] [2024-11-14 04:50:28,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:50:28,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-14 04:50:28,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:28,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-14 04:50:28,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 04:50:28,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:28,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:28,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 65.8529411764706) internal successors, (2239), 34 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:50:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:50:28,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:50:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:50:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:50:28,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:50:29,051 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 [2024-11-14 04:50:29,051 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:29,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:29,105 INFO L85 PathProgramCache]: Analyzing trace with hash 250138083, now seen corresponding path program 3 times [2024-11-14 04:50:29,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:29,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816435975] [2024-11-14 04:50:29,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:29,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:50:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:50:33,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:50:33,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816435975] [2024-11-14 04:50:33,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816435975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:50:33,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653675796] [2024-11-14 04:50:33,981 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:50:33,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:50:33,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:50:33,982 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) [2024-11-14 04:50:33,983 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 [2024-11-14 04:50:37,449 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-14 04:50:37,449 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:50:37,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 3739 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-14 04:50:37,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:50:41,260 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 19 treesize of output 1 [2024-11-14 04:50:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:50:41,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 04:50:41,540 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:50:41,550 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2024-11-14 04:50:41,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 16 [2024-11-14 04:50:41,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:50:41,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-14 04:50:41,646 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 19 treesize of output 7 [2024-11-14 04:50:41,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 482 proven. 319 refuted. 0 times theorem prover too weak. 2574 trivial. 0 not checked. [2024-11-14 04:50:41,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:50:41,977 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1951 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_1951) |c_~#queue~0.base|) (+ |c_~#queue~0.offset| 3204)) 800)) is different from false [2024-11-14 04:50:42,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:50:42,009 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2024-11-14 04:50:42,022 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:50:42,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2024-11-14 04:50:42,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2024-11-14 04:50:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 391 proven. 319 refuted. 0 times theorem prover too weak. 2574 trivial. 91 not checked. [2024-11-14 04:50:44,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653675796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:50:44,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:50:44,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 12, 12] total 53 [2024-11-14 04:50:44,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857363565] [2024-11-14 04:50:44,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:50:44,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-14 04:50:44,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:50:44,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-14 04:50:44,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2291, Unknown=1, NotChecked=100, Total=2756 [2024-11-14 04:50:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:44,293 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:50:44,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 107.77358490566037) internal successors, (5712), 53 states have internal predecessors, (5712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:50:44,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:50:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:50:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:50:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:50:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:50:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:50:58,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-14 04:50:58,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:50:58,255 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 [2024-11-14 04:50:58,255 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:58,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:58,258 INFO L85 PathProgramCache]: Analyzing trace with hash -575620192, now seen corresponding path program 1 times [2024-11-14 04:50:58,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:50:58,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134265002] [2024-11-14 04:50:58,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:58,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4369 backedges. 0 proven. 4369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:03,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:51:03,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134265002] [2024-11-14 04:51:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134265002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:51:03,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536557544] [2024-11-14 04:51:03,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:03,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:51:03,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:51:03,424 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) [2024-11-14 04:51:03,424 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 [2024-11-14 04:51:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:04,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 5239 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 04:51:04,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:51:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4369 backedges. 0 proven. 4369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:04,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:51:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4369 backedges. 0 proven. 4369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:06,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536557544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:51:06,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:51:06,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 74 [2024-11-14 04:51:06,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293445195] [2024-11-14 04:51:06,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:51:06,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-11-14 04:51:06,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:51:06,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-11-14 04:51:06,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=3996, Unknown=0, NotChecked=0, Total=5402 [2024-11-14 04:51:06,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:06,210 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:51:06,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 39.932432432432435) internal successors, (2955), 74 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-14 04:51:06,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-14 04:51:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-14 04:51:08,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:51:08,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:51:08,599 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:51:08,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:08,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1223694293, now seen corresponding path program 2 times [2024-11-14 04:51:08,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:51:08,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744898402] [2024-11-14 04:51:08,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:08,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 20160 backedges. 0 proven. 20160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:23,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:51:23,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744898402] [2024-11-14 04:51:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744898402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:51:23,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368827119] [2024-11-14 04:51:23,517 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:51:23,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:51:23,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:51:23,519 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) [2024-11-14 04:51:23,520 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 [2024-11-14 04:51:25,348 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:51:25,348 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:51:25,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 7127 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-14 04:51:25,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:51:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20160 backedges. 0 proven. 20160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:26,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:51:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 20160 backedges. 0 proven. 20160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:30,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368827119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:51:30,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:51:30,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 150 [2024-11-14 04:51:30,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776670610] [2024-11-14 04:51:30,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:51:30,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2024-11-14 04:51:30,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:51:30,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2024-11-14 04:51:31,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5700, Invalid=16650, Unknown=0, NotChecked=0, Total=22350 [2024-11-14 04:51:31,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:31,004 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:51:31,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 28.286666666666665) internal successors, (4243), 150 states have internal predecessors, (4243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:51:31,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:31,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-11-14 04:51:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-14 04:51:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-11-14 04:51:39,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-14 04:51:39,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:51:39,573 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:51:39,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:39,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1433111140, now seen corresponding path program 3 times [2024-11-14 04:51:39,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:51:39,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225541613] [2024-11-14 04:51:39,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:39,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:52:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 86432 backedges. 0 proven. 86432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:52:40,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:52:40,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225541613] [2024-11-14 04:52:40,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225541613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:52:40,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535646105] [2024-11-14 04:52:40,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:52:40,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:52:40,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:52:40,859 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) [2024-11-14 04:52:40,871 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 [2024-11-14 04:52:47,590 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-14 04:52:47,590 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:52:47,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 3841 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-14 04:52:47,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:04,308 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 [2024-11-14 04:53:04,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:53:04,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-14 04:53:04,724 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-14 04:53:04,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2024-11-14 04:53:04,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-14 04:53:05,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 36 treesize of output 13 [2024-11-14 04:53:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:53:05,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-14 04:53:05,491 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-11-14 04:53:05,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2024-11-14 04:53:05,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-14 04:53:05,536 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 15 treesize of output 7 [2024-11-14 04:53:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 86432 backedges. 4803 proven. 1683 refuted. 0 times theorem prover too weak. 79946 trivial. 0 not checked. [2024-11-14 04:53:05,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:06,679 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8285 Int) (v_ArrVal_8287 (Array Int Int))) (let ((.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse1 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (or (< (+ (select .cse0 .cse1) 1) v_ArrVal_8285) (< (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store .cse0 .cse1 v_ArrVal_8285)) |c_~#stored_elements~0.base| v_ArrVal_8287) |c_~#queue~0.base|) (+ |c_~#queue~0.offset| 3204)) 800)))) is different from false [2024-11-14 04:53:29,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:53:29,109 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 83 [2024-11-14 04:53:29,140 INFO L349 Elim1Store]: treesize reduction 29, result has 60.8 percent of original size [2024-11-14 04:53:29,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 143 treesize of output 157 [2024-11-14 04:53:29,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:53:29,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 104 [2024-11-14 04:53:29,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2024-11-14 04:53:29,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 29 treesize of output 21 [2024-11-14 04:53:29,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2024-11-14 04:53:29,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:53:29,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-11-14 04:53:29,252 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:53:29,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 69 [2024-11-14 04:53:29,264 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:53:29,265 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:53:29,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:53:29,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-14 04:53:29,278 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 04:53:29,279 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-14 04:53:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 86432 backedges. 3651 proven. 1682 refuted. 789 times theorem prover too weak. 79946 trivial. 364 not checked. [2024-11-14 04:53:47,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535646105] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:47,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:53:47,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 18, 21] total 186 [2024-11-14 04:53:47,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725012767] [2024-11-14 04:53:47,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:53:47,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 186 states [2024-11-14 04:53:47,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 04:53:47,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2024-11-14 04:53:47,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5992, Invalid=27997, Unknown=55, NotChecked=366, Total=34410 [2024-11-14 04:53:47,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:53:47,489 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 04:53:47,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 186 states, 186 states have (on average 42.11827956989247) internal successors, (7834), 186 states have internal predecessors, (7834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-11-14 04:53:47,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-14 04:57:02,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-11-14 04:57:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 892 states. [2024-11-14 04:57:02,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 04:57:02,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:57:02,333 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:02,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:02,373 INFO L85 PathProgramCache]: Analyzing trace with hash -221801486, now seen corresponding path program 4 times [2024-11-14 04:57:02,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 04:57:02,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305689769] [2024-11-14 04:57:02,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:02,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:57:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 100776 backedges. 0 proven. 100776 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:58:15,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 04:58:15,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305689769] [2024-11-14 04:58:15,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305689769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:58:15,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107079487] [2024-11-14 04:58:15,879 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:58:15,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:58:15,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 04:58:15,881 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) [2024-11-14 04:58:15,881 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 Received shutdown request... [2024-11-14 05:03:45,227 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 05:03:45,227 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 05:03:45,228 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 05:03:46,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 05:03:46,330 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 0 [2024-11-14 05:03:46,431 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forcibly destroying the process [2024-11-14 05:03:46,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 137 [2024-11-14 05:03:46,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 05:03:46,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:03:46,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2024-11-14 05:03:46,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784872872] [2024-11-14 05:03:46,561 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-14 05:03:46,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-11-14 05:03:46,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 05:03:46,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-11-14 05:03:46,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6399, Invalid=18723, Unknown=0, NotChecked=0, Total=25122 [2024-11-14 05:03:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:03:46,569 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 05:03:46,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 28.10691823899371) internal successors, (4469), 159 states have internal predecessors, (4469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 892 states. [2024-11-14 05:03:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:03:46,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:03:46,572 WARN L596 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-11-14 05:03:46,573 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:03:46,574 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1] [2024-11-14 05:03:46,574 INFO L320 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was TIMEOUT (2/2) [2024-11-14 05:03:46,575 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:03:46,575 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:03:46,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:03:46 BasicIcfg [2024-11-14 05:03:46,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:03:46,582 INFO L158 Benchmark]: Toolchain (without parser) took 824801.80ms. Allocated memory was 100.7MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 70.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-11-14 05:03:46,583 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 05:03:46,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.39ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 23.7MB in the end (delta: 46.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2024-11-14 05:03:46,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.11ms. Allocated memory is still 100.7MB. Free memory was 23.7MB in the beginning and 56.2MB in the end (delta: -32.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2024-11-14 05:03:46,583 INFO L158 Benchmark]: Boogie Preprocessor took 108.53ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 45.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2024-11-14 05:03:46,583 INFO L158 Benchmark]: RCFGBuilder took 2231.45ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 45.7MB in the beginning and 39.4MB in the end (delta: 6.2MB). Peak memory consumption was 56.4MB. Max. memory is 8.0GB. [2024-11-14 05:03:46,584 INFO L158 Benchmark]: TraceAbstraction took 821682.29ms. Allocated memory was 125.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 38.2MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-11-14 05:03:46,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 622.39ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 23.7MB in the end (delta: 46.9MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 151.11ms. Allocated memory is still 100.7MB. Free memory was 23.7MB in the beginning and 56.2MB in the end (delta: -32.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 108.53ms. Allocated memory is still 100.7MB. Free memory was 56.2MB in the beginning and 45.7MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2231.45ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 45.7MB in the beginning and 39.4MB in the end (delta: 6.2MB). Peak memory consumption was 56.4MB. Max. memory is 8.0GB. * TraceAbstraction took 821682.29ms. Allocated memory was 125.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 38.2MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2067, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 17, dependent conditional: 12, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1983, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1983, independent: 1976, independent conditional: 0, independent unconditional: 1976, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2055, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1983, unknown conditional: 0, unknown unconditional: 1983] , Statistics on independence cache: Total cache size (in pairs): 1983, Positive cache size: 1978, Positive conditional cache size: 0, Positive unconditional cache size: 1978, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 72, Maximal queried relation: 0, Independence queries for same thread: 12, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 1745, Number of trivial persistent sets: 1739, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1983, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2067, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 17, dependent conditional: 12, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 72, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2055, independent: 2050, independent conditional: 0, independent unconditional: 2050, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1983, independent: 1978, independent conditional: 0, independent unconditional: 1978, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1983, independent: 1976, independent conditional: 0, independent unconditional: 1976, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2055, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1983, unknown conditional: 0, unknown unconditional: 1983] , Statistics on independence cache: Total cache size (in pairs): 1983, Positive cache size: 1978, Positive conditional cache size: 0, Positive unconditional cache size: 1978, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 72, Maximal queried relation: 0, Independence queries for same thread: 12 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23261, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 5955, dependent conditional: 5928, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17349, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 43, dependent conditional: 16, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17349, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 43, dependent conditional: 16, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17374, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17374, independent: 17306, independent conditional: 0, independent unconditional: 17306, dependent: 68, dependent conditional: 16, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17374, independent: 17306, independent conditional: 0, independent unconditional: 17306, dependent: 68, dependent conditional: 16, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5920, independent: 5897, independent conditional: 0, independent unconditional: 5897, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5920, independent: 5895, independent conditional: 0, independent unconditional: 5895, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 371, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 354, dependent conditional: 11, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 6, Protected Queries: 0 ], Cache Queries: [ total: 17374, independent: 11409, independent conditional: 0, independent unconditional: 11409, dependent: 45, dependent conditional: 15, dependent unconditional: 30, unknown: 5920, unknown conditional: 1, unknown unconditional: 5919] , Statistics on independence cache: Total cache size (in pairs): 7903, Positive cache size: 7875, Positive conditional cache size: 0, Positive unconditional cache size: 7875, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9155, Maximal queried relation: 3, Independence queries for same thread: 5912, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 1871, Number of trivial persistent sets: 1818, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8203, independent: 8176, independent conditional: 0, independent unconditional: 8176, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23261, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 5955, dependent conditional: 5928, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17349, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 43, dependent conditional: 16, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17349, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 43, dependent conditional: 16, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17374, independent: 17306, independent conditional: 9130, independent unconditional: 8176, dependent: 68, dependent conditional: 41, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17374, independent: 17306, independent conditional: 0, independent unconditional: 17306, dependent: 68, dependent conditional: 16, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17374, independent: 17306, independent conditional: 0, independent unconditional: 17306, dependent: 68, dependent conditional: 16, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5920, independent: 5897, independent conditional: 0, independent unconditional: 5897, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5920, independent: 5895, independent conditional: 0, independent unconditional: 5895, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 23, dependent conditional: 1, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 371, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 354, dependent conditional: 11, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 6, Protected Queries: 0 ], Cache Queries: [ total: 17374, independent: 11409, independent conditional: 0, independent unconditional: 11409, dependent: 45, dependent conditional: 15, dependent unconditional: 30, unknown: 5920, unknown conditional: 1, unknown unconditional: 5919] , Statistics on independence cache: Total cache size (in pairs): 7903, Positive cache size: 7875, Positive conditional cache size: 0, Positive unconditional cache size: 7875, Negative cache size: 28, Negative conditional cache size: 1, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9155, Maximal queried relation: 3, Independence queries for same thread: 5912 - PositiveResult [Line: 1049]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 1942 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1658 NumberOfCodeBlocks, 1658 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1657 ConstructedInterpolants, 0 QuantifiedInterpolants, 1657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 1942 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 818.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 221.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1467, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 15.0s SatisfiabilityAnalysisTime, 245.1s InterpolantComputationTime, 48032 NumberOfCodeBlocks, 45104 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 65318 ConstructedInterpolants, 52 QuantifiedInterpolants, 154198 SizeOfPredicates, 164 NumberOfNonLiveVariables, 35199 ConjunctsInSsa, 244 ConjunctsInUnsatCore, 27 InterpolantComputations, 4 PerfectInterpolantSequences, 174466/446319 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.2s, ConditionCalculationTime: 0.2s, CommutingCounterexamples: 0, ConditionCalculations: 5308, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown