/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 21:01:05,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 21:01:05,512 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 21:01:05,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 21:01:05,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 21:01:05,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 21:01:05,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 21:01:05,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 21:01:05,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 21:01:05,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 21:01:05,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 21:01:05,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 21:01:05,552 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 21:01:05,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 21:01:05,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 21:01:05,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 21:01:05,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 21:01:05,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 21:01:05,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 21:01:05,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 21:01:05,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 21:01:05,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 21:01:05,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 21:01:05,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 21:01:05,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 21:01:05,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 21:01:05,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 21:01:05,558 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 21:01:05,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 21:01:05,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 21:01:05,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 21:01:05,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 21:01:05,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 21:01:05,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 21:01:05,560 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 21:01:05,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 21:01:05,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 21:01:05,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 21:01:05,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 21:01:05,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-05-04 21:01:05,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 21:01:05,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 21:01:05,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 21:01:05,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-04 21:01:05,874 INFO L274 PluginConnector]: CDTParser initialized [2024-05-04 21:01:05,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2024-05-04 21:01:07,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-04 21:01:07,339 INFO L384 CDTParser]: Found 1 translation units. [2024-05-04 21:01:07,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2024-05-04 21:01:07,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8068c7a25/3309509336ab4351ae0c2a8767708420/FLAG1602956c2 [2024-05-04 21:01:07,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8068c7a25/3309509336ab4351ae0c2a8767708420 [2024-05-04 21:01:07,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 21:01:07,367 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-04 21:01:07,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-04 21:01:07,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-04 21:01:07,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-04 21:01:07,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2717267a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07, skipping insertion in model container [2024-05-04 21:01:07,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-04 21:01:07,590 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2024-05-04 21:01:07,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 21:01:07,616 INFO L202 MainTranslator]: Completed pre-run [2024-05-04 21:01:07,650 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2024-05-04 21:01:07,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 21:01:07,659 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 21:01:07,659 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 21:01:07,669 INFO L206 MainTranslator]: Completed translation [2024-05-04 21:01:07,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07 WrapperNode [2024-05-04 21:01:07,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-04 21:01:07,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 21:01:07,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 21:01:07,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 21:01:07,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,726 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 159 [2024-05-04 21:01:07,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 21:01:07,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 21:01:07,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 21:01:07,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 21:01:07,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 21:01:07,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 21:01:07,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 21:01:07,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 21:01:07,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (1/1) ... [2024-05-04 21:01:07,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 21:01:07,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:07,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 21:01:07,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 21:01:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-04 21:01:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 21:01:07,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 21:01:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 21:01:07,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 21:01:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-04 21:01:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-04 21:01:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-04 21:01:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-04 21:01:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-04 21:01:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-04 21:01:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 21:01:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 21:01:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-04 21:01:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-04 21:01:07,871 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 21:01:07,984 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 21:01:07,986 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 21:01:08,338 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 21:01:08,424 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 21:01:08,425 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-04 21:01:08,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:01:08 BoogieIcfgContainer [2024-05-04 21:01:08,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 21:01:08,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 21:01:08,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 21:01:08,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 21:01:08,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 09:01:07" (1/3) ... [2024-05-04 21:01:08,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cb98e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:01:08, skipping insertion in model container [2024-05-04 21:01:08,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 09:01:07" (2/3) ... [2024-05-04 21:01:08,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cb98e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 09:01:08, skipping insertion in model container [2024-05-04 21:01:08,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 09:01:08" (3/3) ... [2024-05-04 21:01:08,435 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2024-05-04 21:01:08,443 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 21:01:08,452 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 21:01:08,452 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 21:01:08,452 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 21:01:08,519 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-04 21:01:08,568 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 21:01:08,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 21:01:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:08,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-04 21:01:08,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-04 21:01:08,608 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 21:01:08,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 21:01:08,620 INFO L357 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, mHoare=true, 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;@70482a68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 21:01:08,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-04 21:01:08,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:08,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:08,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1983949173, now seen corresponding path program 1 times [2024-05-04 21:01:08,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:08,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871129352] [2024-05-04 21:01:08,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 21:01:08,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:08,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871129352] [2024-05-04 21:01:08,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871129352] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 21:01:08,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 21:01:08,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 21:01:08,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90384969] [2024-05-04 21:01:08,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 21:01:08,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-04 21:01:08,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:09,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-04 21:01:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-04 21:01:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:09,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:09,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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) [2024-05-04 21:01:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:09,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:09,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 21:01:09,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:09,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:09,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1349193381, now seen corresponding path program 1 times [2024-05-04 21:01:09,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712315841] [2024-05-04 21:01:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:09,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:09,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712315841] [2024-05-04 21:01:09,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712315841] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 21:01:09,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 21:01:09,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-04 21:01:09,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23729156] [2024-05-04 21:01:09,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 21:01:09,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-04 21:01:09,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-04 21:01:09,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-04 21:01:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:09,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:09,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 21:01:09,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:09,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:09,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:09,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 21:01:09,646 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:09,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:09,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1178941129, now seen corresponding path program 1 times [2024-05-04 21:01:09,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:09,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609608935] [2024-05-04 21:01:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:09,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:09,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:09,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609608935] [2024-05-04 21:01:09,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609608935] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:09,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465481641] [2024-05-04 21:01:09,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:09,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:09,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:09,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 21:01:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:10,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-04 21:01:10,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:10,401 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:10,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465481641] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:10,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:10,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-04 21:01:10,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330347668] [2024-05-04 21:01:10,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:10,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-04 21:01:10,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:10,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-04 21:01:10,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-04 21:01:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:10,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:10,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.421052631578947) internal successors, (179), 19 states have internal predecessors, (179), 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) [2024-05-04 21:01:10,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:10,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:10,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:10,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:10,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:11,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-04 21:01:11,172 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:11,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:11,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1293351661, now seen corresponding path program 2 times [2024-05-04 21:01:11,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:11,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812657731] [2024-05-04 21:01:11,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:11,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:12,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:12,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812657731] [2024-05-04 21:01:12,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812657731] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:12,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426579459] [2024-05-04 21:01:12,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 21:01:12,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:12,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:12,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:12,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 21:01:12,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 21:01:12,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:01:12,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-04 21:01:12,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:13,029 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 11 treesize of output 3 [2024-05-04 21:01:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:13,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:13,225 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-04 21:01:13,226 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 25 treesize of output 12 [2024-05-04 21:01:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:14,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426579459] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:14,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:14,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 14] total 45 [2024-05-04 21:01:14,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614697937] [2024-05-04 21:01:14,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:14,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-05-04 21:01:14,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:14,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-05-04 21:01:14,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=1628, Unknown=0, NotChecked=0, Total=1980 [2024-05-04 21:01:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:14,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:14,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.266666666666667) internal successors, (282), 45 states have internal predecessors, (282), 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) [2024-05-04 21:01:14,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:14,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:14,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:14,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:15,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:15,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:15,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:15,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:15,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:15,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:15,420 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:15,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:15,421 INFO L85 PathProgramCache]: Analyzing trace with hash -335524573, now seen corresponding path program 1 times [2024-05-04 21:01:15,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:15,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537602898] [2024-05-04 21:01:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:15,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:16,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:16,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537602898] [2024-05-04 21:01:16,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537602898] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:16,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411111319] [2024-05-04 21:01:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:16,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:16,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:16,399 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:16,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 21:01:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:16,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-04 21:01:16,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:17,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 21:01:17,192 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 23 treesize of output 15 [2024-05-04 21:01:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:17,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:17,439 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-04 21:01:17,440 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 25 treesize of output 12 [2024-05-04 21:01:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:18,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411111319] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:18,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:18,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18, 17] total 51 [2024-05-04 21:01:18,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238764239] [2024-05-04 21:01:18,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:18,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-04 21:01:18,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:18,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-04 21:01:18,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=2159, Unknown=0, NotChecked=0, Total=2550 [2024-05-04 21:01:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:18,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:18,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 6.196078431372549) internal successors, (316), 51 states have internal predecessors, (316), 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) [2024-05-04 21:01:18,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:18,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:18,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:18,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:18,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:19,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:19,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:19,896 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:19,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:19,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1669771377, now seen corresponding path program 2 times [2024-05-04 21:01:19,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:19,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070494945] [2024-05-04 21:01:19,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:19,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:21,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:21,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070494945] [2024-05-04 21:01:21,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070494945] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:21,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962435960] [2024-05-04 21:01:21,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 21:01:21,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:21,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:21,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:21,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 21:01:21,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 21:01:21,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:01:21,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-04 21:01:21,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:22,858 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 21:01:22,859 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 23 treesize of output 15 [2024-05-04 21:01:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:22,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:23,250 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-04 21:01:23,250 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 25 treesize of output 12 [2024-05-04 21:01:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:25,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962435960] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:25,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:25,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 22, 22] total 70 [2024-05-04 21:01:25,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207385606] [2024-05-04 21:01:25,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:25,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-05-04 21:01:25,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:25,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-05-04 21:01:25,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=4374, Unknown=0, NotChecked=0, Total=4830 [2024-05-04 21:01:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:25,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:25,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 5.485714285714286) internal successors, (384), 70 states have internal predecessors, (384), 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) [2024-05-04 21:01:25,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:25,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:25,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:25,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:25,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:25,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:27,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:27,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-04 21:01:27,702 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:27,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1360067831, now seen corresponding path program 3 times [2024-05-04 21:01:27,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:27,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073247981] [2024-05-04 21:01:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:27,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 15 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:29,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:29,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073247981] [2024-05-04 21:01:29,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073247981] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:29,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648479172] [2024-05-04 21:01:29,196 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 21:01:29,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:29,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:29,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 21:01:29,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-04 21:01:29,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:01:29,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-04 21:01:29,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-05-04 21:01:29,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:29,725 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:01:29,726 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 26 treesize of output 14 [2024-05-04 21:01:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-05-04 21:01:29,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648479172] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:29,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:29,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 7, 7] total 38 [2024-05-04 21:01:29,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108496271] [2024-05-04 21:01:29,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:29,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-04 21:01:29,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:29,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-04 21:01:29,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406 [2024-05-04 21:01:29,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:29,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:29,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.078947368421052) internal successors, (269), 38 states have internal predecessors, (269), 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) [2024-05-04 21:01:29,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:29,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:29,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:29,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:29,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:29,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:29,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:31,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:31,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-04 21:01:31,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:31,414 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:31,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:31,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1129900751, now seen corresponding path program 4 times [2024-05-04 21:01:31,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:31,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561766765] [2024-05-04 21:01:31,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:31,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 70 proven. 158 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 21:01:32,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:32,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561766765] [2024-05-04 21:01:32,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561766765] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:32,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517021387] [2024-05-04 21:01:32,063 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 21:01:32,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:32,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:32,064 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:32,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 21:01:32,175 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 21:01:32,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:01:32,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-04 21:01:32,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 102 proven. 126 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 21:01:32,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 71 proven. 157 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 21:01:33,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517021387] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:33,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:33,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 69 [2024-05-04 21:01:33,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735589317] [2024-05-04 21:01:33,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:33,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-05-04 21:01:33,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:33,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-05-04 21:01:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=537, Invalid=4155, Unknown=0, NotChecked=0, Total=4692 [2024-05-04 21:01:33,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:33,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:33,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 6.521739130434782) internal successors, (450), 69 states have internal predecessors, (450), 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) [2024-05-04 21:01:33,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:33,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:33,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:33,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:33,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:33,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:33,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:33,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:35,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:01:35,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:35,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-04 21:01:35,388 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:35,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:35,389 INFO L85 PathProgramCache]: Analyzing trace with hash 651501867, now seen corresponding path program 5 times [2024-05-04 21:01:35,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:35,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179664067] [2024-05-04 21:01:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:35,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 43 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:37,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:37,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179664067] [2024-05-04 21:01:37,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179664067] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:37,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345999915] [2024-05-04 21:01:37,221 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 21:01:37,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:37,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:37,223 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:37,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 21:01:37,411 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-04 21:01:37,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:01:37,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 49 conjunts are in the unsatisfiable core [2024-05-04 21:01:37,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 226 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-04 21:01:38,149 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:38,319 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:01:38,319 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 26 treesize of output 14 [2024-05-04 21:01:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 68 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-05-04 21:01:38,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345999915] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:38,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:38,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 21, 9] total 60 [2024-05-04 21:01:38,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281034303] [2024-05-04 21:01:38,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:38,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-04 21:01:38,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:38,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-04 21:01:38,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=3298, Unknown=0, NotChecked=0, Total=3540 [2024-05-04 21:01:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:38,481 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:38,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.066666666666666) internal successors, (364), 60 states have internal predecessors, (364), 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) [2024-05-04 21:01:38,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:38,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:38,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:38,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:38,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:38,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:38,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:38,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:01:38,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:01:40,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:01:40,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:41,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:41,104 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:41,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:41,105 INFO L85 PathProgramCache]: Analyzing trace with hash -210183171, now seen corresponding path program 6 times [2024-05-04 21:01:41,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:41,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253636984] [2024-05-04 21:01:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 177 proven. 281 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 21:01:42,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:42,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253636984] [2024-05-04 21:01:42,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253636984] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:42,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799709699] [2024-05-04 21:01:42,054 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 21:01:42,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:42,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:42,056 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:42,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-04 21:01:42,555 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-04 21:01:42,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:01:42,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-04 21:01:42,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 177 proven. 281 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 21:01:43,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 196 proven. 262 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 21:01:45,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799709699] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:45,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:45,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 32] total 93 [2024-05-04 21:01:45,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624925522] [2024-05-04 21:01:45,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:45,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-05-04 21:01:45,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:45,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-05-04 21:01:45,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1634, Invalid=6922, Unknown=0, NotChecked=0, Total=8556 [2024-05-04 21:01:45,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:45,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:45,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 6.279569892473118) internal successors, (584), 93 states have internal predecessors, (584), 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) [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:01:45,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:46,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:46,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:01:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:01:46,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:47,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-04 21:01:47,028 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:47,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash -850587579, now seen corresponding path program 7 times [2024-05-04 21:01:47,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:47,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469713861] [2024-05-04 21:01:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:47,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:49,527 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 127 proven. 472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:49,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:01:49,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469713861] [2024-05-04 21:01:49,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469713861] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:01:49,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555397388] [2024-05-04 21:01:49,528 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 21:01:49,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:01:49,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:01:49,529 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:01:49,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-04 21:01:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:01:49,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-04 21:01:49,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:01:51,890 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 12 treesize of output 3 [2024-05-04 21:01:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 54 proven. 544 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 21:01:51,939 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:01:52,507 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:01:52,507 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 26 treesize of output 14 [2024-05-04 21:01:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 26 proven. 573 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:01:55,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555397388] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:01:55,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:01:55,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 40, 41] total 124 [2024-05-04 21:01:55,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8161189] [2024-05-04 21:01:55,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:01:55,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-05-04 21:01:55,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:01:55,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-05-04 21:01:55,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2494, Invalid=12758, Unknown=0, NotChecked=0, Total=15252 [2024-05-04 21:01:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:55,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:01:55,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 5.17741935483871) internal successors, (642), 124 states have internal predecessors, (642), 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) [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:01:55,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:01:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:01:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:01:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:01:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:01:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:01:59,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:01:59,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:01:59,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:01:59,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:01:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:01:59,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-04 21:01:59,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-04 21:01:59,450 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:01:59,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:01:59,451 INFO L85 PathProgramCache]: Analyzing trace with hash 136493395, now seen corresponding path program 8 times [2024-05-04 21:01:59,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:01:59,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626466435] [2024-05-04 21:01:59,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:01:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:01:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:02:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 7 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:02:05,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:02:05,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626466435] [2024-05-04 21:02:05,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626466435] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:02:05,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549470166] [2024-05-04 21:02:05,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 21:02:05,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:02:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:02:05,105 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:02:05,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-04 21:02:05,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 21:02:05,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:02:05,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 84 conjunts are in the unsatisfiable core [2024-05-04 21:02:05,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:02:08,475 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 12 treesize of output 3 [2024-05-04 21:02:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 14 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:02:08,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:02:09,402 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:02:09,402 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 26 treesize of output 14 [2024-05-04 21:02:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 7 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:02:12,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549470166] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:02:12,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:02:12,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 42, 43] total 131 [2024-05-04 21:02:12,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378603201] [2024-05-04 21:02:12,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:02:12,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-05-04 21:02:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:02:12,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-05-04 21:02:12,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1967, Invalid=15063, Unknown=0, NotChecked=0, Total=17030 [2024-05-04 21:02:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:12,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:02:12,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.938931297709924) internal successors, (647), 131 states have internal predecessors, (647), 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) [2024-05-04 21:02:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:02:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:02:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:02:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:02:12,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:02:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:02:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:02:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:02:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:02:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:02:12,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:02:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:02:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:02:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:02:22,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:02:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:02:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:02:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:02:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:02:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:02:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:02:22,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-04 21:02:22,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:02:22,780 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:02:22,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:02:22,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1391268425, now seen corresponding path program 9 times [2024-05-04 21:02:22,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:02:22,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466775710] [2024-05-04 21:02:22,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:02:22,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:02:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:02:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 52 proven. 783 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:02:29,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:02:29,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466775710] [2024-05-04 21:02:29,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466775710] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:02:29,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962528362] [2024-05-04 21:02:29,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 21:02:29,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:02:29,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:02:29,858 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:02:29,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-04 21:02:30,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-05-04 21:02:30,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:02:30,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-04 21:02:30,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:02:32,862 INFO L349 Elim1Store]: treesize reduction 62, result has 4.6 percent of original size [2024-05-04 21:02:32,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 19 [2024-05-04 21:02:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 120 proven. 168 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-05-04 21:02:32,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:02:34,223 INFO L349 Elim1Store]: treesize reduction 48, result has 26.2 percent of original size [2024-05-04 21:02:34,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 37 [2024-05-04 21:02:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 80 proven. 214 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-05-04 21:02:34,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962528362] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:02:34,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:02:34,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 16, 18] total 91 [2024-05-04 21:02:34,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403248627] [2024-05-04 21:02:34,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:02:34,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-05-04 21:02:34,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:02:34,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-05-04 21:02:34,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=848, Invalid=7342, Unknown=0, NotChecked=0, Total=8190 [2024-05-04 21:02:34,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:34,979 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:02:34,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 5.923076923076923) internal successors, (539), 91 states have internal predecessors, (539), 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) [2024-05-04 21:02:34,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:34,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:02:34,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:02:34,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:02:34,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:02:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:02:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:02:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:02:41,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:02:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:02:41,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-04 21:02:41,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-04 21:02:41,395 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:02:41,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:02:41,395 INFO L85 PathProgramCache]: Analyzing trace with hash -185164909, now seen corresponding path program 10 times [2024-05-04 21:02:41,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:02:41,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649481571] [2024-05-04 21:02:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:02:41,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:02:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:03:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 2 proven. 653 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-05-04 21:03:08,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:03:08,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649481571] [2024-05-04 21:03:08,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649481571] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:03:08,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691862387] [2024-05-04 21:03:08,209 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 21:03:08,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:03:08,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:03:08,210 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:03:08,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-04 21:03:08,468 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 21:03:08,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:03:08,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 118 conjunts are in the unsatisfiable core [2024-05-04 21:03:08,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:03:11,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 21:03:11,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 10 [2024-05-04 21:03:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:03:12,307 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:03:14,174 INFO L349 Elim1Store]: treesize reduction 30, result has 64.7 percent of original size [2024-05-04 21:03:14,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 85 treesize of output 79 [2024-05-04 21:03:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:03:18,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691862387] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:03:18,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:03:18,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 57, 57] total 159 [2024-05-04 21:03:18,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493827440] [2024-05-04 21:03:18,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:03:18,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-05-04 21:03:18,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:03:18,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-05-04 21:03:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2643, Invalid=22479, Unknown=0, NotChecked=0, Total=25122 [2024-05-04 21:03:18,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:18,117 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:03:18,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 3.7169811320754715) internal successors, (591), 159 states have internal predecessors, (591), 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) [2024-05-04 21:03:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:03:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:03:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:03:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:03:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:03:36,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:03:36,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:03:36,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:03:36,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-04 21:03:36,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-04 21:03:36,663 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:03:36,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:03:36,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1566327381, now seen corresponding path program 11 times [2024-05-04 21:03:36,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:03:36,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979705320] [2024-05-04 21:03:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:03:36,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:03:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:03:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 591 proven. 941 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 21:03:38,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:03:38,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979705320] [2024-05-04 21:03:38,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979705320] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:03:38,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303519465] [2024-05-04 21:03:38,218 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 21:03:38,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:03:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:03:38,225 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:03:38,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-04 21:03:38,608 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-05-04 21:03:38,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:03:38,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-04 21:03:38,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:03:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 700 proven. 832 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 21:03:40,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:03:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1538 backedges. 721 proven. 811 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 21:03:43,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303519465] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:03:43,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:03:43,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 51, 50] total 147 [2024-05-04 21:03:43,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849441253] [2024-05-04 21:03:43,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:03:43,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-05-04 21:03:43,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:03:43,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-05-04 21:03:44,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4057, Invalid=17405, Unknown=0, NotChecked=0, Total=21462 [2024-05-04 21:03:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:44,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:03:44,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 5.993197278911564) internal successors, (881), 147 states have internal predecessors, (881), 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) [2024-05-04 21:03:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:03:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:03:44,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:03:44,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:03:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:03:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:03:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:03:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:03:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:03:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:03:46,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-04 21:03:47,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-04 21:03:47,128 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:03:47,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:03:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash 649039117, now seen corresponding path program 12 times [2024-05-04 21:03:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:03:47,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165271658] [2024-05-04 21:03:47,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:03:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:03:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:03:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 591 proven. 1175 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 21:03:48,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:03:48,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165271658] [2024-05-04 21:03:48,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165271658] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:03:48,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373475551] [2024-05-04 21:03:48,649 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 21:03:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:03:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:03:48,650 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:03:48,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-04 21:03:50,736 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-05-04 21:03:50,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:03:50,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-04 21:03:50,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:03:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 696 proven. 1070 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 21:03:53,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:03:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 732 proven. 1034 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 21:03:57,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373475551] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:03:57,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:03:57,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 56, 55] total 161 [2024-05-04 21:03:57,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401004788] [2024-05-04 21:03:57,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:03:57,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2024-05-04 21:03:57,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:03:57,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2024-05-04 21:03:57,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4724, Invalid=21036, Unknown=0, NotChecked=0, Total=25760 [2024-05-04 21:03:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:57,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:03:57,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 5.807453416149069) internal successors, (935), 161 states have internal predecessors, (935), 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) [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:03:57,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:03:57,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:03:57,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:04:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:04:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:04:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:04:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:04:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:04:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:04:00,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-04 21:04:00,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-04 21:04:00,506 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:04:00,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:04:00,506 INFO L85 PathProgramCache]: Analyzing trace with hash 197429353, now seen corresponding path program 13 times [2024-05-04 21:04:00,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:04:00,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836673752] [2024-05-04 21:04:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:04:00,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:04:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:04:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 520 proven. 1381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:04:04,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:04:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836673752] [2024-05-04 21:04:04,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836673752] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:04:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905931008] [2024-05-04 21:04:04,272 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 21:04:04,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:04:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:04:04,274 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:04:04,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-04 21:04:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:04:04,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 114 conjunts are in the unsatisfiable core [2024-05-04 21:04:04,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:04:08,565 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 12 treesize of output 3 [2024-05-04 21:04:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 228 proven. 1655 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-04 21:04:08,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:04:09,415 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:04:09,416 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 26 treesize of output 14 [2024-05-04 21:04:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 235 proven. 1666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:04:14,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905931008] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:04:14,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:04:14,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 64, 67] total 200 [2024-05-04 21:04:14,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093058528] [2024-05-04 21:04:14,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:04:14,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 200 states [2024-05-04 21:04:14,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:04:14,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2024-05-04 21:04:14,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6687, Invalid=33113, Unknown=0, NotChecked=0, Total=39800 [2024-05-04 21:04:14,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:14,240 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:04:14,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 200 states, 200 states have (on average 4.825) internal successors, (965), 200 states have internal predecessors, (965), 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) [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:04:14,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:04:14,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:04:14,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:04:14,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:04:14,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:04:14,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:04:14,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:04:14,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:04:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:04:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:04:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:04:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:04:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-05-04 21:04:23,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-04 21:04:23,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-04 21:04:23,794 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:04:23,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:04:23,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1495088247, now seen corresponding path program 14 times [2024-05-04 21:04:23,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:04:23,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024004200] [2024-05-04 21:04:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:04:23,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:04:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:04:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 250 proven. 1712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:04:29,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:04:29,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024004200] [2024-05-04 21:04:29,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024004200] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:04:29,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484961188] [2024-05-04 21:04:29,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 21:04:29,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:04:29,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:04:29,688 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:04:29,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-04 21:04:30,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 21:04:30,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:04:30,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 138 conjunts are in the unsatisfiable core [2024-05-04 21:04:30,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:04:34,879 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 12 treesize of output 3 [2024-05-04 21:04:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 163 proven. 1792 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-04 21:04:34,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:04:35,927 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:04:35,927 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 26 treesize of output 14 [2024-05-04 21:04:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 31 proven. 1931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:04:41,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484961188] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:04:41,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:04:41,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 66, 69] total 202 [2024-05-04 21:04:41,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273688247] [2024-05-04 21:04:41,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:04:41,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2024-05-04 21:04:41,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:04:41,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2024-05-04 21:04:41,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6856, Invalid=33746, Unknown=0, NotChecked=0, Total=40602 [2024-05-04 21:04:41,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:41,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:04:41,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 4.762376237623762) internal successors, (962), 202 states have internal predecessors, (962), 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) [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:04:41,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:04:41,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:04:41,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:04:41,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:04:41,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:04:41,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:04:41,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-05-04 21:04:41,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:04:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-05-04 21:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-04 21:04:54,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-04 21:04:54,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-04 21:04:54,872 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:04:54,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:04:54,872 INFO L85 PathProgramCache]: Analyzing trace with hash 371640033, now seen corresponding path program 15 times [2024-05-04 21:04:54,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:04:54,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660642397] [2024-05-04 21:04:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:04:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:04:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:05:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2036 backedges. 44 proven. 1992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:05:04,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:05:04,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660642397] [2024-05-04 21:05:04,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660642397] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:05:04,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104282080] [2024-05-04 21:05:04,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 21:05:04,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:05:04,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:05:04,002 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:05:04,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-04 21:05:05,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-05-04 21:05:05,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:05:05,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-04 21:05:05,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:05:08,915 INFO L349 Elim1Store]: treesize reduction 76, result has 3.8 percent of original size [2024-05-04 21:05:08,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 19 [2024-05-04 21:05:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2036 backedges. 202 proven. 382 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2024-05-04 21:05:09,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:05:10,355 INFO L349 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2024-05-04 21:05:10,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 35 [2024-05-04 21:05:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2036 backedges. 95 proven. 553 refuted. 0 times theorem prover too weak. 1388 trivial. 0 not checked. [2024-05-04 21:05:12,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104282080] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:05:12,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:05:12,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 16, 26] total 116 [2024-05-04 21:05:12,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592711055] [2024-05-04 21:05:12,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:05:12,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-05-04 21:05:12,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:05:12,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-05-04 21:05:12,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=910, Invalid=12429, Unknown=1, NotChecked=0, Total=13340 [2024-05-04 21:05:12,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:12,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:05:12,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 5.672413793103448) internal successors, (658), 116 states have internal predecessors, (658), 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) [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:05:12,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-04 21:05:12,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:26,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:05:31,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:05:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:05:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:05:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:05:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:05:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:31,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-04 21:05:31,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:05:31,832 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:05:31,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:05:31,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1760405835, now seen corresponding path program 16 times [2024-05-04 21:05:31,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:05:31,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394841072] [2024-05-04 21:05:31,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:05:31,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:05:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:05:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3155 backedges. 1319 proven. 1827 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 21:05:34,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:05:34,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394841072] [2024-05-04 21:05:34,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394841072] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:05:34,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946717425] [2024-05-04 21:05:34,448 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 21:05:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:05:34,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:05:34,450 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:05:34,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-04 21:05:34,674 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 21:05:34,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:05:34,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-04 21:05:34,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:05:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3155 backedges. 1606 proven. 1540 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 21:05:37,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:05:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3155 backedges. 1372 proven. 1774 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 21:05:41,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946717425] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:05:41,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:05:41,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 66, 66] total 191 [2024-05-04 21:05:41,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141388955] [2024-05-04 21:05:41,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:05:41,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2024-05-04 21:05:41,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:05:41,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2024-05-04 21:05:41,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5132, Invalid=31158, Unknown=0, NotChecked=0, Total=36290 [2024-05-04 21:05:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:41,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:05:41,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 5.670157068062827) internal successors, (1083), 191 states have internal predecessors, (1083), 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) [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:05:41,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:05:41,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:05:41,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:05:41,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:41,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:05:41,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:41,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:05:44,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:05:44,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-04 21:05:45,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:05:45,086 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:05:45,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:05:45,087 INFO L85 PathProgramCache]: Analyzing trace with hash 683945177, now seen corresponding path program 17 times [2024-05-04 21:05:45,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:05:45,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739129990] [2024-05-04 21:05:45,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:05:45,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:05:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:05:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3316 backedges. 1319 proven. 1988 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 21:05:47,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:05:47,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739129990] [2024-05-04 21:05:47,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739129990] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:05:47,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403602156] [2024-05-04 21:05:47,767 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 21:05:47,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:05:47,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:05:47,768 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:05:47,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-04 21:05:48,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-05-04 21:05:48,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:05:48,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-04 21:05:48,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:05:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3316 backedges. 1474 proven. 1833 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 21:05:52,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:05:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3316 backedges. 1513 proven. 1794 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 21:05:57,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403602156] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:05:57,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:05:57,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 71, 70] total 206 [2024-05-04 21:05:57,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510609034] [2024-05-04 21:05:57,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:05:57,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 206 states [2024-05-04 21:05:57,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:05:57,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2024-05-04 21:05:57,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7754, Invalid=34476, Unknown=0, NotChecked=0, Total=42230 [2024-05-04 21:05:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:57,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:05:57,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 206 states, 206 states have (on average 5.786407766990291) internal successors, (1192), 206 states have internal predecessors, (1192), 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) [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:05:57,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:05:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:05:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:05:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:05:57,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:06:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:06:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:06:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:06:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:06:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:06:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:06:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:06:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:06:02,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-04 21:06:02,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-05-04 21:06:02,937 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:06:02,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:06:02,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2015387907, now seen corresponding path program 18 times [2024-05-04 21:06:02,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:06:02,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940072810] [2024-05-04 21:06:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:06:02,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:06:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:06:09,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 1123 proven. 2362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:06:09,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:06:09,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940072810] [2024-05-04 21:06:09,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940072810] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:06:09,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433454301] [2024-05-04 21:06:09,700 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 21:06:09,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:06:09,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:06:09,702 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:06:09,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-04 21:06:19,056 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-05-04 21:06:19,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:06:19,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-04 21:06:19,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:06:23,237 INFO L349 Elim1Store]: treesize reduction 110, result has 2.7 percent of original size [2024-05-04 21:06:23,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 70 treesize of output 22 [2024-05-04 21:06:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 190 proven. 1101 refuted. 0 times theorem prover too weak. 2194 trivial. 0 not checked. [2024-05-04 21:06:23,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:06:24,596 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2024-05-04 21:06:24,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 39 [2024-05-04 21:06:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 28 proven. 1587 refuted. 0 times theorem prover too weak. 1870 trivial. 0 not checked. [2024-05-04 21:06:27,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433454301] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:06:27,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:06:27,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 19, 40] total 149 [2024-05-04 21:06:27,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708580457] [2024-05-04 21:06:27,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:06:27,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-05-04 21:06:27,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:06:27,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-05-04 21:06:27,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1835, Invalid=20215, Unknown=2, NotChecked=0, Total=22052 [2024-05-04 21:06:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:06:27,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:06:27,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 5.469798657718121) internal successors, (815), 149 states have internal predecessors, (815), 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) [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:06:27,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:06:27,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:06:27,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:06:42,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:06:45,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:06:49,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:06:51,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:06:53,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:06:54,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:06:56,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:06:58,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:07:00,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:07:22,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:07:25,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-05-04 21:07:29,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:07:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:07:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:07:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:07:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:07:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:07:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:07:29,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-05-04 21:07:30,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:07:30,150 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:07:30,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:07:30,150 INFO L85 PathProgramCache]: Analyzing trace with hash 700580829, now seen corresponding path program 19 times [2024-05-04 21:07:30,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:07:30,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720392172] [2024-05-04 21:07:30,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:07:30,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:07:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:07:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2660 backedges. 2 proven. 2658 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:07:44,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:07:44,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720392172] [2024-05-04 21:07:44,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720392172] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:07:44,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715911339] [2024-05-04 21:07:44,495 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 21:07:44,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:07:44,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:07:44,498 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:07:44,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-04 21:07:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:07:46,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 154 conjunts are in the unsatisfiable core [2024-05-04 21:07:46,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:07:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2660 backedges. 20 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:07:53,730 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:07:55,258 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:07:55,258 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 26 treesize of output 14 [2024-05-04 21:08:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2660 backedges. 20 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:08:03,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715911339] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:08:03,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:08:03,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 77, 77] total 228 [2024-05-04 21:08:03,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532433881] [2024-05-04 21:08:03,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:08:03,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2024-05-04 21:08:03,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:08:03,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2024-05-04 21:08:03,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7697, Invalid=44059, Unknown=0, NotChecked=0, Total=51756 [2024-05-04 21:08:03,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:08:03,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:08:03,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 228 states, 228 states have (on average 4.62280701754386) internal successors, (1054), 228 states have internal predecessors, (1054), 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) [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:08:03,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:08:03,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:08:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:08:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:08:20,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:08:20,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-04 21:08:20,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-05-04 21:08:20,886 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:08:20,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:08:20,886 INFO L85 PathProgramCache]: Analyzing trace with hash -904808657, now seen corresponding path program 20 times [2024-05-04 21:08:20,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:08:20,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642322078] [2024-05-04 21:08:20,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:08:20,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:08:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:08:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 10 proven. 2942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:08:40,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:08:40,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642322078] [2024-05-04 21:08:40,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642322078] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:08:40,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318236180] [2024-05-04 21:08:40,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 21:08:40,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:08:40,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:08:40,035 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:08:40,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-04 21:08:41,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 21:08:41,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:08:41,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 162 conjunts are in the unsatisfiable core [2024-05-04 21:08:41,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:08:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 20 proven. 2932 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:08:49,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:08:51,778 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:08:51,779 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 26 treesize of output 14 [2024-05-04 21:09:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2952 backedges. 20 proven. 2932 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:09:01,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318236180] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:09:01,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:09:01,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 81, 81] total 240 [2024-05-04 21:09:01,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580622126] [2024-05-04 21:09:01,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:09:01,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 240 states [2024-05-04 21:09:01,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:09:01,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2024-05-04 21:09:01,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8299, Invalid=49061, Unknown=0, NotChecked=0, Total=57360 [2024-05-04 21:09:01,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:09:01,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:09:01,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 240 states, 240 states have (on average 4.604166666666667) internal successors, (1105), 240 states have internal predecessors, (1105), 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) [2024-05-04 21:09:01,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:09:01,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:09:01,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:09:01,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:09:01,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:09:01,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:09:01,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:09:01,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:09:01,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:09:28,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:09:28,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:09:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:09:28,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-05-04 21:09:28,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-05-04 21:09:28,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-04 21:09:28,620 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:09:28,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:09:28,620 INFO L85 PathProgramCache]: Analyzing trace with hash 347737685, now seen corresponding path program 21 times [2024-05-04 21:09:28,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:09:28,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222887505] [2024-05-04 21:09:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:09:28,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:09:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:11:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3261 backedges. 16 proven. 3245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:11:47,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:11:47,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222887505] [2024-05-04 21:11:47,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222887505] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:11:47,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742203696] [2024-05-04 21:11:47,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 21:11:47,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:11:47,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:11:47,129 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:11:47,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-04 21:11:48,710 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-05-04 21:11:48,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:11:48,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-04 21:11:48,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:11:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3261 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 2477 trivial. 0 not checked. [2024-05-04 21:11:50,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:11:50,956 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:11:50,956 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 26 treesize of output 14 [2024-05-04 21:11:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3261 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 2477 trivial. 0 not checked. [2024-05-04 21:11:51,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742203696] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 21:11:51,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 21:11:51,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 17, 17] total 114 [2024-05-04 21:11:51,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513017746] [2024-05-04 21:11:51,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 21:11:51,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-05-04 21:11:51,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 21:11:51,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-05-04 21:11:51,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=12611, Unknown=0, NotChecked=0, Total=12882 [2024-05-04 21:11:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:11:51,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 21:11:51,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 5.5) internal successors, (627), 114 states have internal predecessors, (627), 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) [2024-05-04 21:11:51,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:11:51,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:11:51,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:11:51,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:11:51,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:11:51,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:11:51,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:11:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:11:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2024-05-04 21:11:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-04 21:12:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-05-04 21:12:27,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-04 21:12:27,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-05-04 21:12:27,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:12:27,642 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 21:12:27,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 21:12:27,643 INFO L85 PathProgramCache]: Analyzing trace with hash -426783561, now seen corresponding path program 22 times [2024-05-04 21:12:27,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 21:12:27,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223284474] [2024-05-04 21:12:27,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 21:12:27,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 21:12:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 21:13:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3764 backedges. 41 proven. 3723 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:13:34,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 21:13:34,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223284474] [2024-05-04 21:13:34,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223284474] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 21:13:34,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485077432] [2024-05-04 21:13:34,136 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 21:13:34,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 21:13:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 21:13:34,139 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 21:13:34,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-05-04 21:13:36,823 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 21:13:36,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 21:13:36,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 182 conjunts are in the unsatisfiable core [2024-05-04 21:13:36,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 21:13:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3764 backedges. 20 proven. 3744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 21:13:51,034 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 21:13:54,408 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-04 21:13:54,408 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 26 treesize of output 14 Received shutdown request... [2024-05-04 21:14:03,853 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-04 21:14:03,853 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2024-05-04 21:14:03,859 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2024-05-04 21:14:03,862 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-04 21:14:03,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-05-04 21:14:04,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-04 21:14:04,063 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 449 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-5-1 term,while SimplifyDDA2 was simplifying 5 xjuncts wrt. a ATOM-1 context. [2024-05-04 21:14:04,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-04 21:14:04,065 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-04 21:14:04,068 INFO L448 BasicCegarLoop]: Path program histogram: [22, 2, 1, 1] [2024-05-04 21:14:04,071 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 21:14:04,071 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 21:14:04,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:14:04 BasicIcfg [2024-05-04 21:14:04,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 21:14:04,074 INFO L158 Benchmark]: Toolchain (without parser) took 776706.83ms. Allocated memory was 268.4MB in the beginning and 4.6GB in the end (delta: 4.3GB). Free memory was 197.6MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-05-04 21:14:04,075 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 268.4MB. Free memory is still 240.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 21:14:04,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.73ms. Allocated memory is still 268.4MB. Free memory was 197.4MB in the beginning and 185.6MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-04 21:14:04,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.88ms. Allocated memory is still 268.4MB. Free memory was 185.6MB in the beginning and 183.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 21:14:04,076 INFO L158 Benchmark]: Boogie Preprocessor took 53.27ms. Allocated memory is still 268.4MB. Free memory was 183.6MB in the beginning and 182.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 21:14:04,076 INFO L158 Benchmark]: RCFGBuilder took 645.31ms. Allocated memory is still 268.4MB. Free memory was 182.0MB in the beginning and 227.8MB in the end (delta: -45.7MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. [2024-05-04 21:14:04,076 INFO L158 Benchmark]: TraceAbstraction took 775645.29ms. Allocated memory was 268.4MB in the beginning and 4.6GB in the end (delta: 4.3GB). Free memory was 226.2MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-05-04 21:14:04,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 268.4MB. Free memory is still 240.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 300.73ms. Allocated memory is still 268.4MB. Free memory was 197.4MB in the beginning and 185.6MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.88ms. Allocated memory is still 268.4MB. Free memory was 185.6MB in the beginning and 183.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.27ms. Allocated memory is still 268.4MB. Free memory was 183.6MB in the beginning and 182.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 645.31ms. Allocated memory is still 268.4MB. Free memory was 182.0MB in the beginning and 227.8MB in the end (delta: -45.7MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. * TraceAbstraction took 775645.29ms. Allocated memory was 268.4MB in the beginning and 4.6GB in the end (delta: 4.3GB). Free memory was 226.2MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13750, independent: 11323, independent conditional: 11323, independent unconditional: 0, dependent: 2427, dependent conditional: 2427, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11384, independent: 11323, independent conditional: 11323, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11384, independent: 11323, independent conditional: 11323, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11384, independent: 11323, independent conditional: 11323, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12664, independent: 11323, independent conditional: 60, independent unconditional: 11263, dependent: 1341, dependent conditional: 1159, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12664, independent: 11323, independent conditional: 60, independent unconditional: 11263, dependent: 1341, dependent conditional: 1134, dependent unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12664, independent: 11323, independent conditional: 60, independent unconditional: 11263, dependent: 1341, dependent conditional: 1134, dependent unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 300, independent: 190, independent conditional: 16, independent unconditional: 174, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 300, independent: 174, independent conditional: 0, independent unconditional: 174, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 126, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, independent: 65, independent conditional: 65, independent unconditional: 0, dependent: 316, dependent conditional: 297, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12664, independent: 11133, independent conditional: 44, independent unconditional: 11089, dependent: 1231, dependent conditional: 1026, dependent unconditional: 205, unknown: 300, unknown conditional: 124, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 300, Positive cache size: 190, Positive conditional cache size: 16, Positive unconditional cache size: 174, Negative cache size: 110, Negative conditional cache size: 108, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25, Maximal queried relation: 21, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12664, independent: 11323, independent conditional: 60, independent unconditional: 11263, dependent: 1341, dependent conditional: 1159, dependent unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12664, independent: 11323, independent conditional: 60, independent unconditional: 11263, dependent: 1341, dependent conditional: 1134, dependent unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12664, independent: 11323, independent conditional: 60, independent unconditional: 11263, dependent: 1341, dependent conditional: 1134, dependent unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 300, independent: 190, independent conditional: 16, independent unconditional: 174, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 300, independent: 174, independent conditional: 0, independent unconditional: 174, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 126, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, independent: 16, independent conditional: 16, independent unconditional: 0, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 381, independent: 65, independent conditional: 65, independent unconditional: 0, dependent: 316, dependent conditional: 297, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12664, independent: 11133, independent conditional: 44, independent unconditional: 11089, dependent: 1231, dependent conditional: 1026, dependent unconditional: 205, unknown: 300, unknown conditional: 124, unknown unconditional: 176] , Statistics on independence cache: Total cache size (in pairs): 300, Positive cache size: 190, Positive conditional cache size: 16, Positive unconditional cache size: 174, Negative cache size: 110, Negative conditional cache size: 108, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 25 ], Independence queries for same thread: 2366 - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 449 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-5-1 term,while SimplifyDDA2 was simplifying 5 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 449 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-5-1 term,while SimplifyDDA2 was simplifying 5 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 449 with TraceHistMax 26,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-5-1 term,while SimplifyDDA2 was simplifying 5 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 149 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 775.5s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 22, EmptinessCheckTime: 249.2s, 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: 1996, 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: 0.8s SsaConstructionTime, 22.3s SatisfiabilityAnalysisTime, 399.5s InterpolantComputationTime, 13356 NumberOfCodeBlocks, 13170 NumberOfCodeBlocksAsserted, 189 NumberOfCheckSat, 19855 ConstructedInterpolants, 199 QuantifiedInterpolants, 239699 SizeOfPredicates, 655 NumberOfNonLiveVariables, 12868 ConjunctsInSsa, 1458 ConjunctsInUnsatCore, 71 InterpolantComputations, 2 PerfectInterpolantSequences, 30805/96080 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown