/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 22:29:47,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 22:29:47,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 22:29:47,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 22:29:47,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 22:29:47,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 22:29:47,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 22:29:47,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 22:29:47,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 22:29:47,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 22:29:47,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 22:29:47,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 22:29:47,639 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 22:29:47,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 22:29:47,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 22:29:47,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 22:29:47,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 22:29:47,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 22:29:47,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 22:29:47,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 22:29:47,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 22:29:47,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 22:29:47,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 22:29:47,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 22:29:47,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 22:29:47,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 22:29:47,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 22:29:47,643 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 22:29:47,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 22:29:47,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 22:29:47,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 22:29:47,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 22:29:47,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 22:29:47,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 22:29:47,644 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 22:29:47,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 22:29:47,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 22:29:47,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 22:29:47,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 22:29:47,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-04 22:29:47,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 22:29:47,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 22:29:47,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 22:29:47,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 22:29:47,808 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 22:29:47,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-04-04 22:29:48,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 22:29:49,164 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 22:29:49,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i [2024-04-04 22:29:49,188 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5676ea49c/565ea9bc764e4cd38c4307dbf2aa51ee/FLAG3296ce84d [2024-04-04 22:29:49,202 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5676ea49c/565ea9bc764e4cd38c4307dbf2aa51ee [2024-04-04 22:29:49,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 22:29:49,205 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 22:29:49,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 22:29:49,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 22:29:49,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 22:29:49,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd5f850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49, skipping insertion in model container [2024-04-04 22:29:49,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 22:29:49,641 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2024-04-04 22:29:49,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 22:29:49,690 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 22:29:49,726 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2024-04-04 22:29:49,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 22:29:49,786 INFO L206 MainTranslator]: Completed translation [2024-04-04 22:29:49,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49 WrapperNode [2024-04-04 22:29:49,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 22:29:49,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 22:29:49,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 22:29:49,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 22:29:49,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,830 INFO L138 Inliner]: procedures = 272, calls = 35, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 221 [2024-04-04 22:29:49,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 22:29:49,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 22:29:49,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 22:29:49,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 22:29:49,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 22:29:49,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 22:29:49,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 22:29:49,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 22:29:49,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (1/1) ... [2024-04-04 22:29:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 22:29:49,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:49,925 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) [2024-04-04 22:29:49,935 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 [2024-04-04 22:29:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-04-04 22:29:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 22:29:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 22:29:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 22:29:49,963 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 22:29:50,082 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 22:29:50,085 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 22:29:50,360 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 22:29:50,391 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 22:29:50,391 INFO L309 CfgBuilder]: Removed 25 assume(true) statements. [2024-04-04 22:29:50,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 10:29:50 BoogieIcfgContainer [2024-04-04 22:29:50,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 22:29:50,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 22:29:50,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 22:29:50,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 22:29:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 10:29:49" (1/3) ... [2024-04-04 22:29:50,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fba78e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 10:29:50, skipping insertion in model container [2024-04-04 22:29:50,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:29:49" (2/3) ... [2024-04-04 22:29:50,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fba78e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 10:29:50, skipping insertion in model container [2024-04-04 22:29:50,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 10:29:50" (3/3) ... [2024-04-04 22:29:50,398 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_70-funloop_racefree.i [2024-04-04 22:29:50,403 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 22:29:50,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 22:29:50,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-04 22:29:50,411 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 22:29:50,466 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-04-04 22:29:50,507 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:29:50,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:29:50,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:50,517 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) [2024-04-04 22:29:50,541 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 [2024-04-04 22:29:50,557 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:29:50,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:50,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:29:50,578 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:29:50,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 22:29:50,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 22:29:50,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:50,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1431401880, now seen corresponding path program 1 times [2024-04-04 22:29:50,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:50,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355462273] [2024-04-04 22:29:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:50,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:50,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:50,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355462273] [2024-04-04 22:29:50,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355462273] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:29:50,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:29:50,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:29:50,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940677220] [2024-04-04 22:29:50,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:29:50,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:29:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:51,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:29:51,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:29:51,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:51,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:51,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-04-04 22:29:51,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:51,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 22:29:51,057 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 22:29:51,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:51,058 INFO L85 PathProgramCache]: Analyzing trace with hash 705654229, now seen corresponding path program 1 times [2024-04-04 22:29:51,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:51,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840197763] [2024-04-04 22:29:51,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:51,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:51,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:51,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840197763] [2024-04-04 22:29:51,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840197763] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:51,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899342110] [2024-04-04 22:29:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:51,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:51,282 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) [2024-04-04 22:29:51,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 22:29:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:51,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:29:51,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:51,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:51,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:51,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899342110] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:51,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:51,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:29:51,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502120872] [2024-04-04 22:29:51,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:51,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:29:51,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:51,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:29:51,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:29:51,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:51,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:51,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 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) [2024-04-04 22:29:51,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:51,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:51,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:51,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:51,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 22:29:51,790 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,SelfDestructingSolverStorable1 [2024-04-04 22:29:51,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 22:29:51,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash 831169461, now seen corresponding path program 2 times [2024-04-04 22:29:51,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:51,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311149013] [2024-04-04 22:29:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:51,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:51,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:51,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311149013] [2024-04-04 22:29:51,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311149013] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:51,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959206047] [2024-04-04 22:29:51,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:29:51,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:51,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:51,938 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) [2024-04-04 22:29:51,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 22:29:52,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:29:52,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:29:52,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:29:52,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:52,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:52,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959206047] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:52,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:52,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:29:52,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496630323] [2024-04-04 22:29:52,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:52,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:29:52,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:52,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:29:52,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:29:52,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:52,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:52,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 22:29:52,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:52,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:52,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:52,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:52,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:52,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 22:29:52,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:52,511 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 22:29:52,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:52,512 INFO L85 PathProgramCache]: Analyzing trace with hash 688490357, now seen corresponding path program 3 times [2024-04-04 22:29:52,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:52,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208886095] [2024-04-04 22:29:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:52,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:52,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:52,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208886095] [2024-04-04 22:29:52,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208886095] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:52,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233218413] [2024-04-04 22:29:52,833 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:29:52,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:52,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:52,849 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) [2024-04-04 22:29:52,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 22:29:52,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-04 22:29:52,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:29:52,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-04 22:29:52,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:53,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 22:29:53,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233218413] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:53,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:53,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-04-04 22:29:53,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23751335] [2024-04-04 22:29:53,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:53,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:29:53,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:53,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:29:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:29:53,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:53,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:53,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.173913043478261) internal successors, (96), 23 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 22:29:53,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:53,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:53,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:53,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:29:53,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 22:29:53,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:53,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 22:29:53,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash -512033736, now seen corresponding path program 4 times [2024-04-04 22:29:53,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:53,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259891387] [2024-04-04 22:29:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:53,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:29:53,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:29:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:29:53,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:29:53,687 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:29:53,688 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-04-04 22:29:53,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-04-04 22:29:53,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-04-04 22:29:53,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-04-04 22:29:53,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 22:29:53,692 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1] [2024-04-04 22:29:53,694 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:29:53,694 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-04-04 22:29:53,715 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 22:29:53,718 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:29:53,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:29:53,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:53,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:29:53,741 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:29:53,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:53,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:29:53,742 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:29:53,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 22:29:53,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-04-04 22:29:53,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 22:29:53,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash 178968198, now seen corresponding path program 1 times [2024-04-04 22:29:53,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:53,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347507840] [2024-04-04 22:29:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:53,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:53,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:53,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347507840] [2024-04-04 22:29:53,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347507840] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:29:53,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:29:53,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:29:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882116513] [2024-04-04 22:29:53,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:29:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:29:53,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:53,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:29:53,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:29:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:53,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:53,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-04-04 22:29:53,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:53,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-04 22:29:53,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 22:29:53,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash 343807316, now seen corresponding path program 1 times [2024-04-04 22:29:53,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:53,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954205878] [2024-04-04 22:29:53,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:53,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:53,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:53,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954205878] [2024-04-04 22:29:53,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954205878] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:53,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392573477] [2024-04-04 22:29:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:53,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:53,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:53,942 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) [2024-04-04 22:29:53,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 22:29:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:54,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:29:54,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:54,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:54,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392573477] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:54,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:54,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:29:54,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379788558] [2024-04-04 22:29:54,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:54,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:29:54,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:54,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:29:54,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:29:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:54,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:54,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2024-04-04 22:29:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:54,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:54,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:54,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 22:29:54,353 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 [2024-04-04 22:29:54,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 22:29:54,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:54,354 INFO L85 PathProgramCache]: Analyzing trace with hash 791492308, now seen corresponding path program 2 times [2024-04-04 22:29:54,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:54,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471197990] [2024-04-04 22:29:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:54,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:54,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:54,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471197990] [2024-04-04 22:29:54,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471197990] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:54,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57232732] [2024-04-04 22:29:54,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:29:54,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:54,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:54,447 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) [2024-04-04 22:29:54,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 22:29:54,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:29:54,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:29:54,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:29:54,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:54,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:54,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57232732] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:54,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:54,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:29:54,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814049529] [2024-04-04 22:29:54,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:54,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:29:54,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:54,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:29:54,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:29:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:54,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:54,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 18 states have internal predecessors, (95), 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) [2024-04-04 22:29:54,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:54,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:54,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:54,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 22:29:55,004 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 [2024-04-04 22:29:55,005 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 22:29:55,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:55,005 INFO L85 PathProgramCache]: Analyzing trace with hash -640689708, now seen corresponding path program 3 times [2024-04-04 22:29:55,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:55,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679476632] [2024-04-04 22:29:55,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:55,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:55,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679476632] [2024-04-04 22:29:55,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679476632] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:55,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422562165] [2024-04-04 22:29:55,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:29:55,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:55,254 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) [2024-04-04 22:29:55,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 22:29:55,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 22:29:55,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:29:55,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 22:29:55,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:55,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:29:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-04 22:29:55,707 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:55,788 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 18 treesize of output 12 [2024-04-04 22:29:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-04 22:29:55,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422562165] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:55,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:55,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-04 22:29:55,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135519390] [2024-04-04 22:29:55,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:55,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 22:29:55,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:55,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 22:29:55,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-04 22:29:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:55,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:55,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.28125) internal successors, (201), 32 states have internal predecessors, (201), 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) [2024-04-04 22:29:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:55,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 22:29:56,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 22:29:56,715 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 [2024-04-04 22:29:56,715 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 22:29:56,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:56,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2030166415, now seen corresponding path program 1 times [2024-04-04 22:29:56,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:56,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274890714] [2024-04-04 22:29:56,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:56,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:56,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274890714] [2024-04-04 22:29:56,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274890714] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796998588] [2024-04-04 22:29:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:56,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:56,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:56,967 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) [2024-04-04 22:29:57,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 22:29:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:57,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 22:29:57,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:57,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 22:29:57,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796998588] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:57,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:57,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 22:29:57,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161465619] [2024-04-04 22:29:57,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:57,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:29:57,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:29:57,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:29:57,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:57,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:57,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.695652173913044) internal successors, (108), 23 states have internal predecessors, (108), 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) [2024-04-04 22:29:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 22:29:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 22:29:57,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:29:57,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 22:29:57,683 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 [2024-04-04 22:29:57,683 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 22:29:57,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:57,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1717120241, now seen corresponding path program 2 times [2024-04-04 22:29:57,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:57,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193797358] [2024-04-04 22:29:57,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:57,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:29:57,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:29:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:29:57,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:29:57,739 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:29:57,739 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-04-04 22:29:57,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-04-04 22:29:57,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-04-04 22:29:57,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-04-04 22:29:57,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-04 22:29:57,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-04-04 22:29:57,741 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1] [2024-04-04 22:29:57,742 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:29:57,742 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-04-04 22:29:57,768 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 22:29:57,772 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:29:57,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:29:57,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:57,773 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:29:57,784 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:29:57,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:57,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:29:57,784 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:29:57,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 22:29:57,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2024-04-04 22:29:57,828 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:29:57,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:57,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1253759019, now seen corresponding path program 1 times [2024-04-04 22:29:57,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:57,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073623365] [2024-04-04 22:29:57,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:57,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-04-04 22:29:57,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:57,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073623365] [2024-04-04 22:29:57,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073623365] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:29:57,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:29:57,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:29:57,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106042228] [2024-04-04 22:29:57,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:29:57,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:29:57,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:57,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:29:57,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:29:57,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:57,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:57,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-04-04 22:29:57,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:57,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-04 22:29:57,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:29:57,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:57,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1762494126, now seen corresponding path program 1 times [2024-04-04 22:29:57,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:57,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505516892] [2024-04-04 22:29:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:57,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:29:58,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:58,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505516892] [2024-04-04 22:29:58,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505516892] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:58,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877744648] [2024-04-04 22:29:58,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:58,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:58,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:58,031 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) [2024-04-04 22:29:58,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 22:29:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:58,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:29:58,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:58,155 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:29:58,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:29:58,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877744648] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:58,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:58,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:29:58,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283808249] [2024-04-04 22:29:58,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:58,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:29:58,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:58,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:29:58,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:29:58,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:58,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:58,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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) [2024-04-04 22:29:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:58,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:58,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 22:29:58,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:58,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:29:58,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:58,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1116509106, now seen corresponding path program 2 times [2024-04-04 22:29:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:58,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963433179] [2024-04-04 22:29:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:58,536 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:29:58,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:58,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963433179] [2024-04-04 22:29:58,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963433179] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:58,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493440918] [2024-04-04 22:29:58,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:29:58,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:58,553 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) [2024-04-04 22:29:58,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 22:29:58,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:29:58,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:29:58,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:29:58,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:29:58,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:29:58,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493440918] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:29:58,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:29:58,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:29:58,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622709523] [2024-04-04 22:29:58,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:29:58,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:29:58,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:29:58,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:29:58,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:29:58,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:58,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:29:58,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 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) [2024-04-04 22:29:58,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:58,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:58,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:29:58,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:29:58,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:29:58,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:29:58,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-04 22:29:59,155 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,SelfDestructingSolverStorable13 [2024-04-04 22:29:59,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:29:59,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:29:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash 495558542, now seen corresponding path program 3 times [2024-04-04 22:29:59,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:29:59,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308984480] [2024-04-04 22:29:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:29:59,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:29:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:29:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:29:59,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:29:59,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308984480] [2024-04-04 22:29:59,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308984480] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:29:59,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946295477] [2024-04-04 22:29:59,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:29:59,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:29:59,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:29:59,358 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) [2024-04-04 22:29:59,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 22:29:59,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 22:29:59,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:29:59,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 22:29:59,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:29:59,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:29:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-04 22:29:59,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:29:59,991 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 18 treesize of output 12 [2024-04-04 22:30:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-04 22:30:00,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946295477] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:00,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:00,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-04 22:30:00,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714223060] [2024-04-04 22:30:00,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:00,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 22:30:00,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:00,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 22:30:00,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-04 22:30:00,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:00,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:00,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.0) internal successors, (256), 32 states have internal predecessors, (256), 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) [2024-04-04 22:30:00,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:00,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:00,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:00,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 22:30:00,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-04 22:30:00,874 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,SelfDestructingSolverStorable14 [2024-04-04 22:30:00,874 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:30:00,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:00,875 INFO L85 PathProgramCache]: Analyzing trace with hash 926966840, now seen corresponding path program 1 times [2024-04-04 22:30:00,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:00,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746793970] [2024-04-04 22:30:00,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:00,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:30:01,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:01,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746793970] [2024-04-04 22:30:01,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746793970] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:01,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125512419] [2024-04-04 22:30:01,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:01,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:01,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:01,184 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) [2024-04-04 22:30:01,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 22:30:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:01,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 22:30:01,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:30:01,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 22:30:01,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125512419] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:01,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:01,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 22:30:01,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008678391] [2024-04-04 22:30:01,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:01,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:30:01,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:01,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:30:01,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:30:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:01,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:01,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 23 states have internal predecessors, (123), 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) [2024-04-04 22:30:01,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:01,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:01,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:01,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 22:30:01,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 22:30:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:01,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:01,953 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,SelfDestructingSolverStorable15 [2024-04-04 22:30:01,953 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:30:01,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:01,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1640346264, now seen corresponding path program 2 times [2024-04-04 22:30:01,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:01,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012617545] [2024-04-04 22:30:01,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:01,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 22:30:02,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:02,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012617545] [2024-04-04 22:30:02,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012617545] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:02,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102968005] [2024-04-04 22:30:02,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:30:02,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:02,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:02,726 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) [2024-04-04 22:30:02,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 22:30:02,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:30:02,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:02,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:30:02,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:03,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 22:30:03,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:03,213 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 18 treesize of output 12 [2024-04-04 22:30:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 22:30:03,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102968005] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:03,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:03,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 22:30:03,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635997444] [2024-04-04 22:30:03,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:03,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 22:30:03,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:03,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 22:30:03,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-04 22:30:03,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:03,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:03,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.153846153846153) internal successors, (212), 26 states have internal predecessors, (212), 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) [2024-04-04 22:30:03,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:03,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:03,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:03,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 22:30:03,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:03,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 22:30:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:03,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:03,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:03,854 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,SelfDestructingSolverStorable16 [2024-04-04 22:30:03,855 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:30:03,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:03,855 INFO L85 PathProgramCache]: Analyzing trace with hash 715031933, now seen corresponding path program 1 times [2024-04-04 22:30:03,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:03,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4199263] [2024-04-04 22:30:03,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:03,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 22:30:04,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:04,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4199263] [2024-04-04 22:30:04,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4199263] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:04,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111236870] [2024-04-04 22:30:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:04,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:04,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:04,388 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) [2024-04-04 22:30:04,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 22:30:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:04,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:30:04,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:04,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 22:30:04,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:04,936 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 18 treesize of output 12 [2024-04-04 22:30:04,993 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 22:30:04,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111236870] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:04,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:04,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 22:30:04,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190663842] [2024-04-04 22:30:04,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:04,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 22:30:04,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:05,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 22:30:05,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-04 22:30:05,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:05,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:05,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.076923076923077) internal successors, (236), 26 states have internal predecessors, (236), 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) [2024-04-04 22:30:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 22:30:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:05,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 22:30:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:05,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:05,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:05,528 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,SelfDestructingSolverStorable17 [2024-04-04 22:30:05,529 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 22:30:05,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash -749001698, now seen corresponding path program 1 times [2024-04-04 22:30:05,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:05,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884789488] [2024-04-04 22:30:05,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:05,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:30:05,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:30:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:30:05,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:30:05,561 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:30:05,561 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-04-04 22:30:05,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-04 22:30:05,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-04-04 22:30:05,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-04 22:30:05,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 22:30:05,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 22:30:05,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-04-04 22:30:05,563 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-04 22:30:05,563 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:30:05,563 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-04-04 22:30:05,587 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 22:30:05,590 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:30:05,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:30:05,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:05,591 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:30:05,597 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:30:05,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:05,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:30:05,598 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:30:05,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-04 22:30:05,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2024-04-04 22:30:05,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:05,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:05,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1612947834, now seen corresponding path program 1 times [2024-04-04 22:30:05,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:05,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834129482] [2024-04-04 22:30:05,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:05,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-04-04 22:30:05,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:05,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834129482] [2024-04-04 22:30:05,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834129482] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:30:05,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:30:05,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:30:05,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110482043] [2024-04-04 22:30:05,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:30:05,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:30:05,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:05,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:30:05,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:30:05,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:05,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:05,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-04-04 22:30:05,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:05,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-04-04 22:30:05,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:05,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:05,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1291724792, now seen corresponding path program 1 times [2024-04-04 22:30:05,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:05,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811704825] [2024-04-04 22:30:05,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:05,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:05,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:05,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811704825] [2024-04-04 22:30:05,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811704825] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:05,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647709341] [2024-04-04 22:30:05,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:05,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:05,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:05,896 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) [2024-04-04 22:30:05,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 22:30:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:06,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:30:06,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:06,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:06,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647709341] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:06,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:06,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:30:06,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489264] [2024-04-04 22:30:06,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:06,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:30:06,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:06,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:30:06,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:30:06,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:06,100 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:06,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 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) [2024-04-04 22:30:06,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:06,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:06,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:06,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:06,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:06,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-04 22:30:06,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:06,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:06,365 INFO L85 PathProgramCache]: Analyzing trace with hash 383197816, now seen corresponding path program 2 times [2024-04-04 22:30:06,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:06,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131726222] [2024-04-04 22:30:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:06,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131726222] [2024-04-04 22:30:06,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131726222] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700257900] [2024-04-04 22:30:06,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:30:06,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:06,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:06,482 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) [2024-04-04 22:30:06,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 22:30:06,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:30:06,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:06,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:30:06,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:06,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:06,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700257900] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:06,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:06,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:30:06,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825408330] [2024-04-04 22:30:06,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:06,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:30:06,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:06,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:30:06,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:30:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:06,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:06,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.5) internal successors, (135), 18 states have internal predecessors, (135), 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) [2024-04-04 22:30:06,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:06,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:06,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:06,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:06,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:06,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:07,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:07,166 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:07,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:07,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1437316984, now seen corresponding path program 3 times [2024-04-04 22:30:07,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:07,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282535375] [2024-04-04 22:30:07,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:07,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:07,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:07,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282535375] [2024-04-04 22:30:07,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282535375] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:07,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333384956] [2024-04-04 22:30:07,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:30:07,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:07,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:07,412 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) [2024-04-04 22:30:07,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 22:30:07,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 22:30:07,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:07,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 22:30:07,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:08,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:08,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:08,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-04-04 22:30:08,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:08,375 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1013 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1013) |c_~#cache~0.base|) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 22:30:08,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:08,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:30:08,460 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:08,460 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 39 treesize of output 38 [2024-04-04 22:30:08,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:30:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 15 not checked. [2024-04-04 22:30:08,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333384956] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:08,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:08,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 22:30:08,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222795688] [2024-04-04 22:30:08,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:08,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 22:30:08,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:08,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 22:30:08,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1099, Unknown=6, NotChecked=68, Total=1332 [2024-04-04 22:30:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:08,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:08,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.432432432432432) internal successors, (349), 37 states have internal predecessors, (349), 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) [2024-04-04 22:30:08,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:08,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:08,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:08,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:09,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 22:30:09,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:09,770 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,SelfDestructingSolverStorable22 [2024-04-04 22:30:09,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:09,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:09,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1114921795, now seen corresponding path program 1 times [2024-04-04 22:30:09,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:09,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595140586] [2024-04-04 22:30:09,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:09,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:09,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:09,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595140586] [2024-04-04 22:30:09,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595140586] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:09,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950470105] [2024-04-04 22:30:09,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:09,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:09,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:09,988 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) [2024-04-04 22:30:10,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 22:30:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:10,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 22:30:10,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:10,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 22:30:10,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950470105] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:10,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:10,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 22:30:10,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86658938] [2024-04-04 22:30:10,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:10,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:30:10,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:10,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:30:10,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:30:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:10,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:10,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 22:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:10,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 22:30:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:10,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:10,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 22:30:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:10,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:10,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:10,880 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:10,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:10,880 INFO L85 PathProgramCache]: Analyzing trace with hash 605813309, now seen corresponding path program 2 times [2024-04-04 22:30:10,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:10,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399661741] [2024-04-04 22:30:10,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:10,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 22:30:11,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:11,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399661741] [2024-04-04 22:30:11,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399661741] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:11,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844653360] [2024-04-04 22:30:11,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:30:11,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:11,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:11,310 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) [2024-04-04 22:30:11,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-04 22:30:11,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:30:11,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:11,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:30:11,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:11,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:11,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:12,014 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 18 treesize of output 12 [2024-04-04 22:30:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:12,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844653360] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:12,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:12,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 22:30:12,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429768289] [2024-04-04 22:30:12,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:12,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 22:30:12,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:12,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 22:30:12,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2024-04-04 22:30:12,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:12,109 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:12,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.923076923076923) internal successors, (258), 26 states have internal predecessors, (258), 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) [2024-04-04 22:30:12,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:12,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:12,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:12,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 22:30:12,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:12,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:12,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:12,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:12,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:12,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:12,788 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,SelfDestructingSolverStorable24 [2024-04-04 22:30:12,788 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:12,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash 291687763, now seen corresponding path program 1 times [2024-04-04 22:30:12,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:12,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135861824] [2024-04-04 22:30:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:13,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:13,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135861824] [2024-04-04 22:30:13,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135861824] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:13,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500608347] [2024-04-04 22:30:13,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:13,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:13,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:13,381 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) [2024-04-04 22:30:13,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-04 22:30:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:13,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 22:30:13,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:13,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:14,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:30:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:14,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:30:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:14,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:14,358 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:14,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:30:14,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:14,364 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 39 treesize of output 38 [2024-04-04 22:30:14,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:30:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 35 proven. 15 refuted. 10 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:14,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500608347] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:14,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:14,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 33 [2024-04-04 22:30:14,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762875835] [2024-04-04 22:30:14,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:14,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 22:30:14,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:14,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 22:30:14,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=907, Unknown=8, NotChecked=0, Total=1056 [2024-04-04 22:30:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:14,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:14,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.030303030303031) internal successors, (298), 33 states have internal predecessors, (298), 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) [2024-04-04 22:30:14,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:14,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:14,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:14,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:14,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:14,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:14,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:14,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:15,065 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,SelfDestructingSolverStorable25 [2024-04-04 22:30:15,065 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-04-04 22:30:15,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:15,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1168817556, now seen corresponding path program 1 times [2024-04-04 22:30:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019596523] [2024-04-04 22:30:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:15,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:30:15,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:30:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:30:15,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:30:15,114 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:30:15,114 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-04-04 22:30:15,114 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-04-04 22:30:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-04-04 22:30:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-04-04 22:30:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-04-04 22:30:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-04-04 22:30:15,115 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-04-04 22:30:15,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-04-04 22:30:15,117 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-04 22:30:15,117 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:30:15,117 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-04-04 22:30:15,146 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-04-04 22:30:15,148 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:30:15,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:30:15,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:15,149 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:30:15,166 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:30:15,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:15,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:30:15,166 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:30:15,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-04 22:30:15,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Waiting until timeout for monitored process [2024-04-04 22:30:15,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:15,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:15,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1923537598, now seen corresponding path program 1 times [2024-04-04 22:30:15,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:15,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808259568] [2024-04-04 22:30:15,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:15,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-04-04 22:30:15,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:15,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808259568] [2024-04-04 22:30:15,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808259568] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:30:15,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:30:15,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:30:15,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400179131] [2024-04-04 22:30:15,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:30:15,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:30:15,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:30:15,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:30:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:15,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:15,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2024-04-04 22:30:15,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:15,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:15,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-04-04 22:30:15,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:15,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:15,521 INFO L85 PathProgramCache]: Analyzing trace with hash 562501786, now seen corresponding path program 1 times [2024-04-04 22:30:15,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:15,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212189394] [2024-04-04 22:30:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:15,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:15,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212189394] [2024-04-04 22:30:15,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212189394] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:15,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354901422] [2024-04-04 22:30:15,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:15,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:15,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:15,576 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) [2024-04-04 22:30:15,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-04 22:30:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:15,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:30:15,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:15,900 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354901422] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:15,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:15,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:30:15,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998502151] [2024-04-04 22:30:15,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:15,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:30:15,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:15,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:30:15,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:30:15,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:15,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:15,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 10 states have internal predecessors, (159), 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) [2024-04-04 22:30:15,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:15,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:16,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:16,234 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,SelfDestructingSolverStorable28 [2024-04-04 22:30:16,234 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:16,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:16,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1224881274, now seen corresponding path program 2 times [2024-04-04 22:30:16,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:16,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024610881] [2024-04-04 22:30:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:16,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:16,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:16,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024610881] [2024-04-04 22:30:16,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024610881] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:16,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318420275] [2024-04-04 22:30:16,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:30:16,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:16,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:16,339 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:16,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-04 22:30:16,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:30:16,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:16,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:30:16,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:16,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:16,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318420275] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:16,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:16,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:30:16,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858404530] [2024-04-04 22:30:16,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:16,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:30:16,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:16,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:30:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:30:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:16,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:16,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.944444444444445) internal successors, (179), 18 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) [2024-04-04 22:30:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:16,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:16,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:16,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:16,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:16,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:17,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:17,070 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:17,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:17,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1117100998, now seen corresponding path program 3 times [2024-04-04 22:30:17,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:17,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224490212] [2024-04-04 22:30:17,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:17,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:17,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224490212] [2024-04-04 22:30:17,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224490212] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561726393] [2024-04-04 22:30:17,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:30:17,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:17,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:17,294 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:17,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-04 22:30:17,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 22:30:17,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:17,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 22:30:17,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:18,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:18,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:18,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:18,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:18,365 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-04-04 22:30:18,365 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:18,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:18,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:30:18,513 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:18,513 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 39 treesize of output 38 [2024-04-04 22:30:18,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:30:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-04-04 22:30:18,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561726393] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:18,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:18,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 22:30:18,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185117920] [2024-04-04 22:30:18,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:18,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 22:30:18,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:18,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 22:30:18,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1165, Unknown=5, NotChecked=0, Total=1332 [2024-04-04 22:30:18,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:18,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:18,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.621621621621621) internal successors, (393), 37 states have internal predecessors, (393), 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) [2024-04-04 22:30:18,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:18,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:18,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:18,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:19,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:19,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:19,880 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:19,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash 513156880, now seen corresponding path program 1 times [2024-04-04 22:30:19,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:19,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535911119] [2024-04-04 22:30:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:19,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:20,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:20,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535911119] [2024-04-04 22:30:20,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535911119] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:20,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104018240] [2024-04-04 22:30:20,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:20,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:20,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:20,101 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:20,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-04 22:30:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:20,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 22:30:20,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:20,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 22:30:20,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104018240] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:20,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:20,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 22:30:20,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796230708] [2024-04-04 22:30:20,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:20,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:30:20,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:20,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:30:20,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:30:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:20,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:20,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.26086956521739) internal successors, (190), 23 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 22:30:20,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:20,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:20,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:20,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:20,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:20,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:20,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:21,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:21,083 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:21,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:21,083 INFO L85 PathProgramCache]: Analyzing trace with hash 145723184, now seen corresponding path program 2 times [2024-04-04 22:30:21,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:21,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618846011] [2024-04-04 22:30:21,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:21,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 5 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:30:21,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:21,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618846011] [2024-04-04 22:30:21,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618846011] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:21,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697440091] [2024-04-04 22:30:21,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:30:21,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:21,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:21,541 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:21,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-04 22:30:21,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:30:21,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:21,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:30:21,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:22,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 5 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:30:22,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:22,375 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 25 treesize of output 16 [2024-04-04 22:30:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 5 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:30:22,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697440091] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:22,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:22,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 22:30:22,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702224851] [2024-04-04 22:30:22,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:22,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:30:22,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:22,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:30:22,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:30:22,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:22,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:22,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.666666666666668) internal successors, (450), 27 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) [2024-04-04 22:30:22,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:22,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:22,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:22,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:22,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:22,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:23,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:23,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:23,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:23,408 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:23,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:23,409 INFO L85 PathProgramCache]: Analyzing trace with hash -989295471, now seen corresponding path program 1 times [2024-04-04 22:30:23,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:23,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733936816] [2024-04-04 22:30:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:30:25,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:25,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733936816] [2024-04-04 22:30:25,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733936816] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:30:25,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:30:25,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-04-04 22:30:25,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956381248] [2024-04-04 22:30:25,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:30:25,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 22:30:25,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:25,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 22:30:25,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-04-04 22:30:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:25,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:25,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.357142857142858) internal successors, (159), 14 states have internal predecessors, (159), 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) [2024-04-04 22:30:25,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:25,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:25,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:25,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:25,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:25,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:25,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:25,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-04-04 22:30:25,783 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:25,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:25,784 INFO L85 PathProgramCache]: Analyzing trace with hash -232904094, now seen corresponding path program 1 times [2024-04-04 22:30:25,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:25,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331983815] [2024-04-04 22:30:25,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:25,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:26,349 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 22:30:26,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:26,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331983815] [2024-04-04 22:30:26,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331983815] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:26,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608520663] [2024-04-04 22:30:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:26,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:26,351 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:26,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-04 22:30:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:26,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 22:30:26,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:26,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:26,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:26,991 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 18 treesize of output 12 [2024-04-04 22:30:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:27,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608520663] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:27,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:27,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 22:30:27,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984630825] [2024-04-04 22:30:27,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:27,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:30:27,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:27,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:30:27,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:30:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:27,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:27,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 12.037037037037036) internal successors, (325), 27 states have internal predecessors, (325), 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) [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:27,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 22:30:27,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:27,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:28,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-04-04 22:30:28,013 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:28,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:28,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1559354359, now seen corresponding path program 1 times [2024-04-04 22:30:28,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:28,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655755268] [2024-04-04 22:30:28,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 70 proven. 50 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 22:30:28,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:28,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655755268] [2024-04-04 22:30:28,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655755268] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:28,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519643366] [2024-04-04 22:30:28,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:28,829 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:28,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-04 22:30:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:29,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-04 22:30:29,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:29,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:29,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:30:29,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:29,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:30:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 25 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:29,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:29,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:29,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:30:29,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:29,935 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 39 treesize of output 38 [2024-04-04 22:30:29,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:30:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 15 refuted. 10 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:30,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519643366] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:30,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:30,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 38 [2024-04-04 22:30:30,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334544791] [2024-04-04 22:30:30,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:30,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-04 22:30:30,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:30,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-04 22:30:30,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1244, Unknown=5, NotChecked=0, Total=1406 [2024-04-04 22:30:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:30,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:30,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 10.157894736842104) internal successors, (386), 38 states have internal predecessors, (386), 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) [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:30,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:30:30,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:31,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-04-04 22:30:31,069 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:31,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:31,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1176774351, now seen corresponding path program 1 times [2024-04-04 22:30:31,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:31,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637569136] [2024-04-04 22:30:31,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 22:30:31,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:31,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637569136] [2024-04-04 22:30:31,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637569136] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:31,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081153414] [2024-04-04 22:30:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:31,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:31,405 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:31,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-04 22:30:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:31,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:30:31,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:32,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 65 proven. 50 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 22:30:32,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:32,213 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 18 treesize of output 12 [2024-04-04 22:30:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 40 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 22:30:32,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081153414] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:32,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:32,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 25 [2024-04-04 22:30:32,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305358501] [2024-04-04 22:30:32,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:32,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-04 22:30:32,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:32,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-04 22:30:32,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2024-04-04 22:30:32,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:32,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:32,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 16.2) internal successors, (405), 25 states have internal predecessors, (405), 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) [2024-04-04 22:30:32,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:32,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:32,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:32,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:32,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:32,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 22:30:32,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:32,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:32,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:30:32,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:32,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:30:32,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 22:30:32,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:33,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-04-04 22:30:33,044 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:33,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:33,045 INFO L85 PathProgramCache]: Analyzing trace with hash -974138865, now seen corresponding path program 1 times [2024-04-04 22:30:33,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:33,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149777370] [2024-04-04 22:30:33,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:33,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:33,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:33,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149777370] [2024-04-04 22:30:33,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149777370] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:33,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016553776] [2024-04-04 22:30:33,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:33,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:33,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:33,348 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:33,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-04-04 22:30:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:33,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:30:33,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:33,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:34,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:34,052 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 25 treesize of output 16 [2024-04-04 22:30:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 25 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:34,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016553776] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:34,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:34,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 25 [2024-04-04 22:30:34,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815945004] [2024-04-04 22:30:34,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:34,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-04 22:30:34,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:34,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-04 22:30:34,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2024-04-04 22:30:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:34,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:34,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.44) internal successors, (386), 25 states have internal predecessors, (386), 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) [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 22:30:34,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 22:30:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 22:30:34,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-04-04 22:30:34,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:34,767 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-04-04 22:30:34,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash -185992400, now seen corresponding path program 1 times [2024-04-04 22:30:34,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:34,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589828726] [2024-04-04 22:30:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:30:34,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:30:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:30:34,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:30:34,822 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-04 22:30:34,822 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-04 22:30:34,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-04-04 22:30:34,823 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 22:30:34,823 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:30:34,823 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-04-04 22:30:34,853 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-04-04 22:30:34,856 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:30:34,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:30:34,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:34,857 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:30:34,866 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:30:34,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:34,866 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:30:34,866 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:30:34,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-04-04 22:30:34,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (35)] Waiting until timeout for monitored process [2024-04-04 22:30:34,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:34,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:34,950 INFO L85 PathProgramCache]: Analyzing trace with hash -740597490, now seen corresponding path program 1 times [2024-04-04 22:30:34,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:34,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971156215] [2024-04-04 22:30:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:34,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-04 22:30:35,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:35,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971156215] [2024-04-04 22:30:35,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971156215] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:30:35,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:30:35,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:30:35,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220394581] [2024-04-04 22:30:35,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:30:35,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:30:35,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:35,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:30:35,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:30:35,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:35,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:35,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-04-04 22:30:35,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:35,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-04-04 22:30:35,346 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:35,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:35,346 INFO L85 PathProgramCache]: Analyzing trace with hash -125388475, now seen corresponding path program 1 times [2024-04-04 22:30:35,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:35,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378110119] [2024-04-04 22:30:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:35,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:35,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:35,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378110119] [2024-04-04 22:30:35,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378110119] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:35,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698605769] [2024-04-04 22:30:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:35,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:35,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:35,437 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:35,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-04-04 22:30:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:35,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:30:35,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:35,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:35,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698605769] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:35,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:35,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:30:35,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805905827] [2024-04-04 22:30:35,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:35,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:30:35,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:35,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:30:35,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:30:35,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:35,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:35,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.3) internal successors, (203), 10 states have internal predecessors, (203), 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) [2024-04-04 22:30:35,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:35,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:35,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:35,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:36,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:36,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:36,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:36,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1501794363, now seen corresponding path program 2 times [2024-04-04 22:30:36,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:36,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420504282] [2024-04-04 22:30:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:36,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:36,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:36,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420504282] [2024-04-04 22:30:36,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420504282] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:36,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099607685] [2024-04-04 22:30:36,265 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:30:36,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:36,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:36,266 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:36,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-04-04 22:30:36,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:30:36,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:36,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:30:36,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:36,620 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:36,684 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:36,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099607685] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:36,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:36,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:30:36,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007173926] [2024-04-04 22:30:36,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:36,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:30:36,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:36,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:30:36,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:30:36,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:36,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:36,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.38888888888889) internal successors, (223), 18 states have internal predecessors, (223), 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) [2024-04-04 22:30:36,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:36,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:36,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:36,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:36,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:37,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-04-04 22:30:37,140 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:37,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:37,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1545174213, now seen corresponding path program 3 times [2024-04-04 22:30:37,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:37,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552199996] [2024-04-04 22:30:37,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:37,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:37,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:37,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552199996] [2024-04-04 22:30:37,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552199996] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:37,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669647734] [2024-04-04 22:30:37,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:30:37,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:37,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:37,419 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:37,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-04-04 22:30:38,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 22:30:38,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:38,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-04 22:30:38,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:38,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:38,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:38,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:38,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:38,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-04-04 22:30:38,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:38,895 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3001 (Array Int Int))) (not (= 0 (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_3001) |c_~#cache~0.base|) (+ (* |c_t_funThread4of6ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))))) is different from false [2024-04-04 22:30:38,916 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3001 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_3001) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 22:30:38,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:38,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:30:38,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:38,937 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 39 treesize of output 38 [2024-04-04 22:30:38,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:30:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 30 not checked. [2024-04-04 22:30:39,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669647734] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:39,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:39,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 22:30:39,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153221666] [2024-04-04 22:30:39,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:39,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 22:30:39,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:39,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 22:30:39,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1040, Unknown=2, NotChecked=134, Total=1332 [2024-04-04 22:30:39,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:39,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:39,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.81081081081081) internal successors, (437), 37 states have internal predecessors, (437), 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) [2024-04-04 22:30:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:39,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:39,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:40,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:40,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:40,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:40,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:40,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:40,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:40,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:40,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1079607874, now seen corresponding path program 1 times [2024-04-04 22:30:40,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:40,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352728884] [2024-04-04 22:30:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:40,483 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:40,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:40,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352728884] [2024-04-04 22:30:40,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352728884] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:40,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703543298] [2024-04-04 22:30:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:40,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:40,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:40,484 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:40,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-04-04 22:30:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:40,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 22:30:40,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:40,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 22:30:41,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703543298] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:41,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:41,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 22:30:41,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190238418] [2024-04-04 22:30:41,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:41,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:30:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:41,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:30:41,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:30:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:41,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:41,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.304347826086957) internal successors, (237), 23 states have internal predecessors, (237), 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) [2024-04-04 22:30:41,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:41,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:41,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:41,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:41,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:41,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:41,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:41,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-04-04 22:30:41,558 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:41,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash 890147902, now seen corresponding path program 2 times [2024-04-04 22:30:41,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:41,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742246583] [2024-04-04 22:30:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 22:30:42,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:42,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742246583] [2024-04-04 22:30:42,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742246583] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:42,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155261379] [2024-04-04 22:30:42,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:30:42,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:42,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:42,128 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:42,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-04-04 22:30:42,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:30:42,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:30:42,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 22:30:42,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:42,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 25 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 22:30:43,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:43,061 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 25 treesize of output 16 [2024-04-04 22:30:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 5 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-04 22:30:43,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155261379] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:43,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:43,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 9] total 28 [2024-04-04 22:30:43,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999092693] [2024-04-04 22:30:43,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:43,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-04 22:30:43,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:43,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-04 22:30:43,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2024-04-04 22:30:43,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:43,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:43,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.142857142857142) internal successors, (508), 28 states have internal predecessors, (508), 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) [2024-04-04 22:30:43,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:43,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:43,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:43,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:43,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:43,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:44,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:44,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:30:44,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:44,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:44,578 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:44,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:44,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1785308226, now seen corresponding path program 1 times [2024-04-04 22:30:44,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:44,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636389529] [2024-04-04 22:30:44,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 126 proven. 10 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-04 22:30:45,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:45,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636389529] [2024-04-04 22:30:45,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636389529] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:45,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590764993] [2024-04-04 22:30:45,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:45,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:45,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:45,114 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:45,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-04-04 22:30:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:45,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 22:30:45,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:46,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:46,506 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 22:30:46,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 18 [2024-04-04 22:30:46,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:46,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:30:46,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:30:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 20 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:30:46,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:46,746 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3477 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_3477) |c_~#cache~0.base|) (+ (* |c_t_funThread6of6ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 22:30:49,074 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 22:30:49,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-04-04 22:30:49,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:30:49,081 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 39 treesize of output 38 [2024-04-04 22:30:49,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:30:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 80 proven. 60 refuted. 0 times theorem prover too weak. 280 trivial. 1 not checked. [2024-04-04 22:30:49,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590764993] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:49,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:49,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 15] total 36 [2024-04-04 22:30:49,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434407219] [2024-04-04 22:30:49,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:49,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 22:30:49,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:49,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 22:30:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1036, Unknown=5, NotChecked=66, Total=1260 [2024-04-04 22:30:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:49,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:49,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 14.75) internal successors, (531), 36 states have internal predecessors, (531), 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) [2024-04-04 22:30:49,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:49,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:49,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:49,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 22:30:49,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:49,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:30:49,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:30:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:30:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 22:30:50,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:50,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-04-04 22:30:50,979 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:50,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:50,979 INFO L85 PathProgramCache]: Analyzing trace with hash -108326009, now seen corresponding path program 1 times [2024-04-04 22:30:50,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:50,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675832013] [2024-04-04 22:30:50,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:50,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:51,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:51,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675832013] [2024-04-04 22:30:51,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675832013] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:51,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487866361] [2024-04-04 22:30:51,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:51,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:51,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:51,390 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:51,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-04-04 22:30:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:51,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 22:30:51,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:52,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 116 proven. 45 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:52,162 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:52,176 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 18 treesize of output 12 [2024-04-04 22:30:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:30:52,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487866361] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:52,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:52,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 22:30:52,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544664700] [2024-04-04 22:30:52,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:52,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:30:52,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:52,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:30:52,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:30:52,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:52,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:52,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.074074074074073) internal successors, (434), 27 states have internal predecessors, (434), 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) [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 22:30:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:30:52,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:52,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:53,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-04-04 22:30:53,119 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:53,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:53,119 INFO L85 PathProgramCache]: Analyzing trace with hash 596663110, now seen corresponding path program 1 times [2024-04-04 22:30:53,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:53,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786293349] [2024-04-04 22:30:53,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:53,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 100 proven. 66 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:53,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:53,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786293349] [2024-04-04 22:30:53,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786293349] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:53,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266025451] [2024-04-04 22:30:53,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:53,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:53,817 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:53,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-04-04 22:30:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:54,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 22:30:54,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:54,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:30:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 146 proven. 10 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:30:54,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:54,567 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 25 treesize of output 16 [2024-04-04 22:30:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:30:54,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266025451] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:54,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:54,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 9] total 35 [2024-04-04 22:30:54,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179321829] [2024-04-04 22:30:54,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:54,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-04 22:30:54,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:54,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-04 22:30:54,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2024-04-04 22:30:54,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:54,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:54,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.371428571428572) internal successors, (468), 35 states have internal predecessors, (468), 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) [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:54,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:55,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:30:55,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:55,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:55,912 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:55,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:55,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1511126901, now seen corresponding path program 1 times [2024-04-04 22:30:55,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:55,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765529051] [2024-04-04 22:30:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:55,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:56,326 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 35 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:56,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:56,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765529051] [2024-04-04 22:30:56,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765529051] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:56,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746247985] [2024-04-04 22:30:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:56,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:56,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:56,328 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:56,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-04-04 22:30:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:56,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 22:30:56,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:57,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 91 proven. 75 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:57,410 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:57,425 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 18 treesize of output 12 [2024-04-04 22:30:57,686 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 35 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:30:57,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746247985] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:57,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:57,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 22:30:57,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998180725] [2024-04-04 22:30:57,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:57,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:30:57,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:30:57,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:30:57,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:30:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:57,768 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:30:57,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.444444444444445) internal successors, (417), 27 states have internal predecessors, (417), 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) [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:30:57,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:30:58,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:30:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:30:58,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-04-04 22:30:58,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,44 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:58,481 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:30:58,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:30:58,481 INFO L85 PathProgramCache]: Analyzing trace with hash 538024843, now seen corresponding path program 1 times [2024-04-04 22:30:58,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:30:58,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429805018] [2024-04-04 22:30:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:58,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:30:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 136 proven. 35 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 22:30:58,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:30:58,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429805018] [2024-04-04 22:30:58,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429805018] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:30:58,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3955582] [2024-04-04 22:30:58,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:30:58,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:30:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:30:58,868 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:30:58,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-04-04 22:30:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:30:59,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 22:30:59,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:30:59,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:30:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 106 proven. 65 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 22:30:59,773 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:30:59,785 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 18 treesize of output 12 [2024-04-04 22:30:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 40 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 22:30:59,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3955582] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:30:59,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:30:59,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 22:30:59,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192387691] [2024-04-04 22:30:59,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:30:59,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:30:59,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:00,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:31:00,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:31:00,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:00,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:00,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.0) internal successors, (432), 27 states have internal predecessors, (432), 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) [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:00,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:00,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:00,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-04-04 22:31:00,923 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:31:00,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:00,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1849601462, now seen corresponding path program 1 times [2024-04-04 22:31:00,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932697006] [2024-04-04 22:31:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:00,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 70 proven. 56 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 22:31:01,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:01,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932697006] [2024-04-04 22:31:01,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932697006] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:01,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326687898] [2024-04-04 22:31:01,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:01,497 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:01,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-04-04 22:31:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:01,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 22:31:01,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:02,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:31:02,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:02,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-04-04 22:31:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 117 proven. 9 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 22:31:02,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:07,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:07,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 22:31:07,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:07,265 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 30 [2024-04-04 22:31:07,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:31:07,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:07,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2024-04-04 22:31:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 95 proven. 31 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 22:31:07,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326687898] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:07,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:07,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 15] total 45 [2024-04-04 22:31:07,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135721172] [2024-04-04 22:31:07,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:07,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-04 22:31:07,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:07,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-04 22:31:07,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1787, Unknown=2, NotChecked=0, Total=1980 [2024-04-04 22:31:07,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:07,719 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:07,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 10.266666666666667) internal successors, (462), 45 states have internal predecessors, (462), 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) [2024-04-04 22:31:07,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:07,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:08,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 22:31:08,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:08,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-04-04 22:31:08,737 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:31:08,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:08,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2130064715, now seen corresponding path program 1 times [2024-04-04 22:31:08,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:08,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868486593] [2024-04-04 22:31:08,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:08,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:31:09,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:09,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868486593] [2024-04-04 22:31:09,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868486593] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:09,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227418792] [2024-04-04 22:31:09,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:09,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:09,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:09,136 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:09,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-04-04 22:31:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:09,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 22:31:09,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:10,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:31:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 35 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:31:10,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:10,163 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 25 treesize of output 16 [2024-04-04 22:31:10,327 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 25 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:31:10,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227418792] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:10,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:10,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 22:31:10,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304513413] [2024-04-04 22:31:10,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:10,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:31:10,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:10,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:31:10,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:31:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:10,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:10,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.296296296296296) internal successors, (413), 27 states have internal predecessors, (413), 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) [2024-04-04 22:31:10,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:10,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:10,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:10,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 22:31:10,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:31:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:10,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:11,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,47 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:11,020 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:31:11,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:11,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1419715022, now seen corresponding path program 1 times [2024-04-04 22:31:11,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:11,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608236910] [2024-04-04 22:31:11,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:11,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 90 proven. 66 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:31:11,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:11,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608236910] [2024-04-04 22:31:11,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608236910] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:11,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774070915] [2024-04-04 22:31:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:11,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:11,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:11,570 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:11,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-04-04 22:31:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:11,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 22:31:11,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:12,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:31:12,848 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 22:31:12,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 18 [2024-04-04 22:31:12,911 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 72 proven. 79 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:31:12,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:19,249 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 22:31:19,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2024-04-04 22:31:19,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:19,257 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 36 treesize of output 38 [2024-04-04 22:31:19,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:31:19,291 INFO L349 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2024-04-04 22:31:19,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 43 treesize of output 51 [2024-04-04 22:31:19,581 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 101 proven. 50 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:31:19,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774070915] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:19,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:19,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 38 [2024-04-04 22:31:19,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611075484] [2024-04-04 22:31:19,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:19,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-04 22:31:19,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:19,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-04 22:31:19,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1230, Unknown=3, NotChecked=0, Total=1406 [2024-04-04 22:31:19,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:19,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:19,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 12.0) internal successors, (456), 38 states have internal predecessors, (456), 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) [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 22:31:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:20,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:31:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:31:20,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-04-04 22:31:20,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:20,760 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-04-04 22:31:20,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:20,761 INFO L85 PathProgramCache]: Analyzing trace with hash 122295759, now seen corresponding path program 1 times [2024-04-04 22:31:20,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:20,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67497417] [2024-04-04 22:31:20,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:31:20,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:31:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:31:20,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:31:20,825 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2024-04-04 22:31:20,825 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2024-04-04 22:31:20,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-04-04 22:31:20,826 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 22:31:20,826 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:31:20,826 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-04-04 22:31:20,858 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2024-04-04 22:31:20,861 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:31:20,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:31:20,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:20,862 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:31:20,877 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:31:20,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:20,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:31:20,878 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:31:20,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-04-04 22:31:20,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (49)] Waiting until timeout for monitored process [2024-04-04 22:31:21,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:21,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1278603865, now seen corresponding path program 1 times [2024-04-04 22:31:21,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:21,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004426373] [2024-04-04 22:31:21,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:21,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-04-04 22:31:21,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:21,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004426373] [2024-04-04 22:31:21,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004426373] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:31:21,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:31:21,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:31:21,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221312644] [2024-04-04 22:31:21,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:31:21,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:31:21,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:21,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:31:21,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:31:21,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:21,371 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:21,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2024-04-04 22:31:21,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:21,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-04-04 22:31:21,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:21,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:21,604 INFO L85 PathProgramCache]: Analyzing trace with hash 440658120, now seen corresponding path program 1 times [2024-04-04 22:31:21,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:21,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178853915] [2024-04-04 22:31:21,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:21,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:21,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178853915] [2024-04-04 22:31:21,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178853915] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:21,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526473731] [2024-04-04 22:31:21,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:21,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:21,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:21,695 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:21,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-04-04 22:31:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:22,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:31:22,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:22,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:22,178 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526473731] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:22,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:22,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:31:22,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346389502] [2024-04-04 22:31:22,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:22,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:31:22,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:22,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:31:22,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:31:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:22,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:22,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.7) internal successors, (247), 10 states have internal predecessors, (247), 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) [2024-04-04 22:31:22,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:22,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:22,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:22,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:22,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-04-04 22:31:22,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:22,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash 771391272, now seen corresponding path program 2 times [2024-04-04 22:31:22,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:22,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434230550] [2024-04-04 22:31:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:22,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:22,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:22,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434230550] [2024-04-04 22:31:22,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434230550] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:22,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654381857] [2024-04-04 22:31:22,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:31:22,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:22,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:22,800 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:22,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-04-04 22:31:23,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:31:23,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:31:23,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:31:23,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:23,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:23,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654381857] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:23,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:23,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:31:23,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761071999] [2024-04-04 22:31:23,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:23,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:31:23,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:23,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:31:23,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:31:23,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:23,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:23,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 14.833333333333334) internal successors, (267), 18 states have internal predecessors, (267), 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) [2024-04-04 22:31:23,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:23,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:23,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:23,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:23,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-04-04 22:31:23,997 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:23,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:23,997 INFO L85 PathProgramCache]: Analyzing trace with hash -493075480, now seen corresponding path program 3 times [2024-04-04 22:31:23,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:23,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419757597] [2024-04-04 22:31:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:23,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:24,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:24,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419757597] [2024-04-04 22:31:24,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419757597] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:24,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004735371] [2024-04-04 22:31:24,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:31:24,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:24,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:24,329 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:24,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-04-04 22:31:28,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-04 22:31:28,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:31:28,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 65 conjunts are in the unsatisfiable core [2024-04-04 22:31:28,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:28,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:31:28,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:28,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:31:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:28,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:31:29,054 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 22:31:29,055 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 17 treesize of output 11 [2024-04-04 22:31:29,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:31:30,079 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 22:31:30,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 18 [2024-04-04 22:31:30,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:30,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:31:30,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:30,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:31:30,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:30,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-04-04 22:31:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:30,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:31:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:30,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:31:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 191 proven. 35 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 22:31:30,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:30,605 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5033 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_5033) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4 (* 28 |c_t_funThread7of7ForFork0_~i~0#1|))) 0))) is different from false [2024-04-04 22:31:33,199 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 22:31:33,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 58 [2024-04-04 22:31:33,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:33,222 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 105 treesize of output 123 [2024-04-04 22:31:33,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 95 [2024-04-04 22:31:33,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 87 [2024-04-04 22:31:33,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:31:33,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:33,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 54 [2024-04-04 22:31:33,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:31:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:33,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2024-04-04 22:31:34,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:34,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:31:34,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:31:34,794 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 39 treesize of output 38 [2024-04-04 22:31:34,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:31:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 157 proven. 69 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 22:31:34,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004735371] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:34,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:34,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 23] total 58 [2024-04-04 22:31:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132022531] [2024-04-04 22:31:34,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:34,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-04 22:31:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:35,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-04 22:31:35,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=2805, Unknown=4, NotChecked=110, Total=3306 [2024-04-04 22:31:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:35,117 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:35,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 14.017241379310345) internal successors, (813), 58 states have internal predecessors, (813), 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) [2024-04-04 22:31:35,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:35,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:35,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:35,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:31:37,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-04-04 22:31:38,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-04-04 22:31:38,009 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:38,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1043483104, now seen corresponding path program 1 times [2024-04-04 22:31:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:38,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070729975] [2024-04-04 22:31:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:38,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:38,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070729975] [2024-04-04 22:31:38,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070729975] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:38,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21691219] [2024-04-04 22:31:38,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:38,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:38,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:38,309 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:38,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-04-04 22:31:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:38,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 22:31:38,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:38,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:39,070 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 22:31:39,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21691219] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:39,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:39,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 22:31:39,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694609357] [2024-04-04 22:31:39,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:39,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:31:39,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:39,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:31:39,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:31:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:39,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:39,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.173913043478262) internal successors, (280), 23 states have internal predecessors, (280), 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) [2024-04-04 22:31:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:31:39,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:31:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:39,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-04-04 22:31:39,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,53 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:39,893 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:39,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:39,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2112880768, now seen corresponding path program 2 times [2024-04-04 22:31:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:39,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978791127] [2024-04-04 22:31:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:40,641 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-04-04 22:31:40,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:40,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978791127] [2024-04-04 22:31:40,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978791127] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:31:40,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:31:40,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 22:31:40,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955363360] [2024-04-04 22:31:40,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:31:40,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 22:31:40,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:40,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 22:31:40,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-04-04 22:31:40,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:40,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:40,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.181818181818183) internal successors, (266), 11 states have internal predecessors, (266), 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) [2024-04-04 22:31:40,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:40,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:40,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:40,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:31:40,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:40,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:31:41,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:41,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-04-04 22:31:41,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:41,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:41,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1679025200, now seen corresponding path program 1 times [2024-04-04 22:31:41,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:41,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503347611] [2024-04-04 22:31:41,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:41,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 22:31:42,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:42,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503347611] [2024-04-04 22:31:42,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503347611] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:42,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418589003] [2024-04-04 22:31:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:42,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:42,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:42,029 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:42,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-04-04 22:31:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:42,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:31:42,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:42,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:31:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 22:31:43,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:43,138 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 18 treesize of output 12 [2024-04-04 22:31:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 22:31:43,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418589003] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:43,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:43,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 22:31:43,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938368022] [2024-04-04 22:31:43,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:43,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 22:31:43,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:43,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 22:31:43,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-04-04 22:31:43,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:43,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:43,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 14.76923076923077) internal successors, (384), 26 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) [2024-04-04 22:31:43,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:43,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:31:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:43,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:44,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 22:31:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:31:44,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-04-04 22:31:44,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,54 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:44,757 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:44,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:44,757 INFO L85 PathProgramCache]: Analyzing trace with hash -859384061, now seen corresponding path program 1 times [2024-04-04 22:31:44,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:44,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138128082] [2024-04-04 22:31:44,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:44,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 175 proven. 15 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 22:31:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:45,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138128082] [2024-04-04 22:31:45,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138128082] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:45,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219519269] [2024-04-04 22:31:45,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:45,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:45,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:45,415 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:45,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-04-04 22:31:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:45,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 22:31:45,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:46,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:31:46,552 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 200 proven. 10 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:31:46,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:46,616 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 25 treesize of output 16 [2024-04-04 22:31:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:31:46,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219519269] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:46,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:46,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 22:31:46,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376752913] [2024-04-04 22:31:46,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:46,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 22:31:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:47,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 22:31:47,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-04-04 22:31:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:47,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:47,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 18.346153846153847) internal successors, (477), 26 states have internal predecessors, (477), 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) [2024-04-04 22:31:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 22:31:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:31:47,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:31:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:31:48,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:48,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,55 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:48,593 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:48,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:48,594 INFO L85 PathProgramCache]: Analyzing trace with hash 327458426, now seen corresponding path program 1 times [2024-04-04 22:31:48,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:48,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467403484] [2024-04-04 22:31:48,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:49,491 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 164 proven. 76 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 22:31:49,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:49,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467403484] [2024-04-04 22:31:49,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467403484] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:49,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026307] [2024-04-04 22:31:49,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:49,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:49,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:49,493 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:49,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-04-04 22:31:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:49,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 22:31:49,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:50,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:31:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 22:31:50,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:50,701 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 18 treesize of output 12 [2024-04-04 22:31:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 22:31:50,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026307] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:50,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:50,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 9] total 36 [2024-04-04 22:31:50,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013410735] [2024-04-04 22:31:50,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:50,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 22:31:50,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:51,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 22:31:51,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1146, Unknown=0, NotChecked=0, Total=1260 [2024-04-04 22:31:51,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:51,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:51,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 15.5) internal successors, (558), 36 states have internal predecessors, (558), 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) [2024-04-04 22:31:51,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:51,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:51,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:51,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:31:51,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:51,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:51,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:31:51,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:31:51,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:31:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 22:31:52,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:52,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2024-04-04 22:31:52,972 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:52,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:52,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1724279775, now seen corresponding path program 1 times [2024-04-04 22:31:52,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:52,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73471887] [2024-04-04 22:31:52,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:52,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 20 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 22:31:53,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:53,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73471887] [2024-04-04 22:31:53,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73471887] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:53,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112290998] [2024-04-04 22:31:53,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:53,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:53,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:53,394 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:53,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-04-04 22:31:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:53,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 22:31:53,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:54,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:31:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 170 proven. 45 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 22:31:54,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:31:54,303 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 18 treesize of output 12 [2024-04-04 22:31:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 20 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 22:31:54,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112290998] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:31:54,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:31:54,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 22:31:54,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057397808] [2024-04-04 22:31:54,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:31:54,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:31:54,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:31:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:31:54,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:31:54,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:54,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:31:54,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.62962962962963) internal successors, (449), 27 states have internal predecessors, (449), 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) [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 22:31:54,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:31:55,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:31:55,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:31:55,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:31:55,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:31:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:31:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:31:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:31:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 22:31:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:31:55,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-04-04 22:31:55,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,57 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:55,684 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:31:55,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:31:55,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1544682627, now seen corresponding path program 1 times [2024-04-04 22:31:55,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:31:55,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560112068] [2024-04-04 22:31:55,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:55,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:31:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 164 proven. 66 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:31:56,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:31:56,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560112068] [2024-04-04 22:31:56,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560112068] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:31:56,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920238039] [2024-04-04 22:31:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:31:56,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:31:56,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:31:56,433 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:31:56,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-04-04 22:31:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:31:56,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 22:31:56,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:31:57,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:31:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:31:57,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 22:31:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 191 proven. 39 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 22:31:58,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:32:10,572 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:10,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 22:32:10,578 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:10,579 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 30 [2024-04-04 22:32:10,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:32:10,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:10,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 22:32:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:32:10,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920238039] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:32:10,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:32:10,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 22:32:10,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584182739] [2024-04-04 22:32:10,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:32:10,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 22:32:10,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:32:10,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 22:32:10,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1534, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 22:32:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:10,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:32:10,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 12.095238095238095) internal successors, (508), 42 states have internal predecessors, (508), 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) [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:10,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:12,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:12,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-04-04 22:32:12,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,58 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:12,285 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:32:12,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:32:12,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1919522688, now seen corresponding path program 1 times [2024-04-04 22:32:12,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:32:12,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132615184] [2024-04-04 22:32:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:12,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:32:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 105 proven. 130 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:32:13,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:32:13,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132615184] [2024-04-04 22:32:13,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132615184] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:32:13,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600964381] [2024-04-04 22:32:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:13,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:13,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:32:13,169 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:32:13,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-04-04 22:32:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:13,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 22:32:13,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:32:14,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:32:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:32:14,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 22:32:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 137 proven. 98 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 22:32:15,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:32:27,526 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:27,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 22:32:27,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:27,532 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 30 [2024-04-04 22:32:27,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:32:27,546 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:27,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 22:32:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 65 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:32:27,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600964381] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:32:27,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:32:27,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 22:32:27,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105031786] [2024-04-04 22:32:27,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:32:27,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 22:32:27,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:32:27,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 22:32:27,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1532, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 22:32:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:27,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:32:27,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 13.19047619047619) internal successors, (554), 42 states have internal predecessors, (554), 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) [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:27,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:27,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:27,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:32:28,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:32:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:28,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:28,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-04-04 22:32:29,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-04-04 22:32:29,143 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:32:29,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:32:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1326467041, now seen corresponding path program 1 times [2024-04-04 22:32:29,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:32:29,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539015042] [2024-04-04 22:32:29,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:29,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:32:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:32:29,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:32:29,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539015042] [2024-04-04 22:32:29,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539015042] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:32:29,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932787362] [2024-04-04 22:32:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:29,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:29,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:32:29,536 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:32:29,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-04-04 22:32:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:30,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 22:32:30,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:32:30,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:32:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 145 proven. 75 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:32:30,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:32:31,004 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 18 treesize of output 12 [2024-04-04 22:32:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:32:31,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932787362] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:32:31,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:32:31,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 22:32:31,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552006481] [2024-04-04 22:32:31,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:32:31,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:32:31,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:32:31,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:32:31,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:32:31,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:31,419 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:32:31,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.962962962962964) internal successors, (431), 27 states have internal predecessors, (431), 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) [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:32,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-04-04 22:32:32,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-04-04 22:32:32,487 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:32:32,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:32:32,488 INFO L85 PathProgramCache]: Analyzing trace with hash -968367973, now seen corresponding path program 1 times [2024-04-04 22:32:32,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:32:32,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184319190] [2024-04-04 22:32:32,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:32:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 159 proven. 61 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:32:33,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:32:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184319190] [2024-04-04 22:32:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184319190] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:32:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118467573] [2024-04-04 22:32:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:33,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:33,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:32:33,390 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:32:33,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-04-04 22:32:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:33,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:32:33,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:32:34,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:32:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 22:32:34,470 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:32:34,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2024-04-04 22:32:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 22:32:34,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118467573] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:32:34,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:32:34,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 9] total 35 [2024-04-04 22:32:34,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063175901] [2024-04-04 22:32:34,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:32:34,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-04 22:32:34,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:32:34,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-04 22:32:34,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1086, Unknown=0, NotChecked=0, Total=1190 [2024-04-04 22:32:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:34,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:32:34,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.628571428571428) internal successors, (477), 35 states have internal predecessors, (477), 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) [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:36,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:36,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:36,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:32:36,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-04-04 22:32:36,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,61 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:36,247 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:32:36,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:32:36,247 INFO L85 PathProgramCache]: Analyzing trace with hash -367786728, now seen corresponding path program 1 times [2024-04-04 22:32:36,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:32:36,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792878182] [2024-04-04 22:32:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:32:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 100 proven. 125 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:32:36,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:32:36,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792878182] [2024-04-04 22:32:36,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792878182] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:32:36,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470048941] [2024-04-04 22:32:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:36,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:36,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:32:36,930 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:32:36,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-04-04 22:32:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:37,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 22:32:37,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:32:38,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:32:38,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:32:38,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 22:32:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 142 proven. 83 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:32:38,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:32:51,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:51,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 22:32:51,275 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:51,275 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 30 [2024-04-04 22:32:51,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-04-04 22:32:51,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:32:51,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2024-04-04 22:32:51,507 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 170 proven. 40 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:32:51,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470048941] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:32:51,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:32:51,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 22:32:51,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995020278] [2024-04-04 22:32:51,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:32:51,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 22:32:51,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:32:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 22:32:51,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1532, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 22:32:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:51,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:32:51,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 13.19047619047619) internal successors, (554), 42 states have internal predecessors, (554), 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) [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:32:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:32:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:32:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:52,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-04-04 22:32:53,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,62 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:53,147 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:32:53,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:32:53,147 INFO L85 PathProgramCache]: Analyzing trace with hash -151246215, now seen corresponding path program 1 times [2024-04-04 22:32:53,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:32:53,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617176309] [2024-04-04 22:32:53,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:53,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:32:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 190 proven. 35 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:32:53,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:32:53,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617176309] [2024-04-04 22:32:53,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617176309] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:32:53,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56772212] [2024-04-04 22:32:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:53,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:53,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:32:53,578 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:32:53,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-04-04 22:32:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:54,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 22:32:54,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:32:54,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:32:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 65 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:32:54,900 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:32:54,918 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 18 treesize of output 12 [2024-04-04 22:32:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 40 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:32:55,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56772212] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:32:55,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:32:55,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 22:32:55,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034356775] [2024-04-04 22:32:55,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:32:55,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:32:55,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:32:55,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:32:55,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:32:55,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:55,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:32:55,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.51851851851852) internal successors, (446), 27 states have internal predecessors, (446), 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) [2024-04-04 22:32:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:32:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:32:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:32:56,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-04-04 22:32:56,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-04-04 22:32:56,737 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:32:56,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:32:56,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1416926573, now seen corresponding path program 1 times [2024-04-04 22:32:56,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:32:56,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834090988] [2024-04-04 22:32:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:56,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:32:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 134 proven. 56 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 22:32:57,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:32:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834090988] [2024-04-04 22:32:57,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834090988] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:32:57,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048439426] [2024-04-04 22:32:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:32:57,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:32:57,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:32:57,384 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:32:57,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-04-04 22:32:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:32:57,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 22:32:57,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:32:58,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:32:58,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:32:58,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 22:32:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 181 proven. 9 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 22:32:59,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:11,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:11,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 22:33:11,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:11,556 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 30 [2024-04-04 22:33:11,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:33:11,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:11,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 22:33:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 165 proven. 5 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 22:33:11,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048439426] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:33:11,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:33:11,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 22:33:11,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808567453] [2024-04-04 22:33:11,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:33:11,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 22:33:11,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:11,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 22:33:11,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1538, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 22:33:11,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:11,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:11,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 11.452380952380953) internal successors, (481), 42 states have internal predecessors, (481), 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) [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:11,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:11,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:33:11,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:11,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:11,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:33:13,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:33:13,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-04-04 22:33:13,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,64 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:13,445 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:33:13,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1825924720, now seen corresponding path program 1 times [2024-04-04 22:33:13,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:13,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395132490] [2024-04-04 22:33:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:13,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 75 proven. 120 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 22:33:14,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:14,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395132490] [2024-04-04 22:33:14,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395132490] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:33:14,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64248774] [2024-04-04 22:33:14,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:14,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:14,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:14,189 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:33:14,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-04-04 22:33:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:14,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 22:33:14,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:33:15,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:33:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:15,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 22:33:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 127 proven. 68 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 22:33:16,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:28,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:28,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 22:33:28,682 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:28,682 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 30 [2024-04-04 22:33:28,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:33:28,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:28,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 22:33:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 15 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 22:33:28,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64248774] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:33:28,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:33:28,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 22:33:28,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498411229] [2024-04-04 22:33:28,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:33:28,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 22:33:28,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:28,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 22:33:28,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1536, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 22:33:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:28,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:28,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 12.547619047619047) internal successors, (527), 42 states have internal predecessors, (527), 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) [2024-04-04 22:33:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:28,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:33:28,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:33:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:33:29,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2024-04-04 22:33:30,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,65 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:30,189 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:33:30,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1999240751, now seen corresponding path program 1 times [2024-04-04 22:33:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:30,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775340970] [2024-04-04 22:33:30,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:33:30,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:30,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775340970] [2024-04-04 22:33:30,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775340970] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:33:30,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697880835] [2024-04-04 22:33:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:30,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:30,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:30,511 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:33:30,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-04-04 22:33:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:31,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 22:33:31,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:33:31,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:33:31,940 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 175 proven. 35 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:33:31,941 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:31,983 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 25 treesize of output 16 [2024-04-04 22:33:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 25 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:33:32,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697880835] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:33:32,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:33:32,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 22:33:32,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198639805] [2024-04-04 22:33:32,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:33:32,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 22:33:32,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:32,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 22:33:32,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-04-04 22:33:32,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:32,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:32,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.814814814814815) internal successors, (427), 27 states have internal predecessors, (427), 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) [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:33:32,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 22:33:32,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:33,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:33,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:33,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:33,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:33,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-04-04 22:33:33,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2024-04-04 22:33:33,300 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:33:33,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash -753091573, now seen corresponding path program 1 times [2024-04-04 22:33:33,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:33,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438638897] [2024-04-04 22:33:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 154 proven. 66 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:33:33,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:33,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438638897] [2024-04-04 22:33:33,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438638897] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:33:33,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023797412] [2024-04-04 22:33:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:33,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:33,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:33,846 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:33:33,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-04-04 22:33:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:34,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 22:33:34,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:33:34,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:33:35,143 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-04 22:33:35,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 27 [2024-04-04 22:33:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 136 proven. 79 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 22:33:35,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:35,548 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 22:33:35,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2024-04-04 22:33:35,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:35,554 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 36 treesize of output 38 [2024-04-04 22:33:35,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:33:35,572 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-04-04 22:33:35,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 32 treesize of output 36 [2024-04-04 22:33:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 165 proven. 50 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 22:33:35,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023797412] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:33:35,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:33:35,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 12] total 39 [2024-04-04 22:33:35,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404198486] [2024-04-04 22:33:35,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:33:35,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 22:33:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:35,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 22:33:35,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1302, Unknown=0, NotChecked=0, Total=1482 [2024-04-04 22:33:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:35,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:35,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 12.256410256410257) internal successors, (478), 39 states have internal predecessors, (478), 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) [2024-04-04 22:33:35,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:35,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:35,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:35,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:35,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:33:36,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2024-04-04 22:33:36,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,67 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:36,955 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:33:36,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:36,955 INFO L85 PathProgramCache]: Analyzing trace with hash -976101712, now seen corresponding path program 1 times [2024-04-04 22:33:36,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:36,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334389073] [2024-04-04 22:33:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:36,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 100 proven. 125 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 22:33:37,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:37,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334389073] [2024-04-04 22:33:37,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334389073] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:33:37,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333980692] [2024-04-04 22:33:37,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:37,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:37,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:37,540 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:33:37,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-04-04 22:33:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:38,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 22:33:38,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:33:38,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:33:38,805 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-04 22:33:38,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 27 [2024-04-04 22:33:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 97 proven. 123 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:33:39,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:39,424 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 22:33:39,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2024-04-04 22:33:39,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:33:39,433 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 36 treesize of output 38 [2024-04-04 22:33:39,440 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 22:33:39,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 12 [2024-04-04 22:33:39,470 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-04-04 22:33:39,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 41 [2024-04-04 22:33:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 126 proven. 94 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:33:39,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333980692] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:33:39,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:33:39,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 12] total 39 [2024-04-04 22:33:39,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069013414] [2024-04-04 22:33:39,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:33:39,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 22:33:39,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:39,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 22:33:39,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1301, Unknown=0, NotChecked=0, Total=1482 [2024-04-04 22:33:39,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:39,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:39,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 13.384615384615385) internal successors, (522), 39 states have internal predecessors, (522), 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) [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:33:39,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 22:33:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 22:33:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:33:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 22:33:40,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Forceful destruction successful, exit code 0 [2024-04-04 22:33:41,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2024-04-04 22:33:41,130 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-04-04 22:33:41,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:41,130 INFO L85 PathProgramCache]: Analyzing trace with hash 2064878097, now seen corresponding path program 1 times [2024-04-04 22:33:41,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:41,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662244758] [2024-04-04 22:33:41,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:41,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:33:41,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:33:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:33:41,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:33:41,197 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 10 remaining) [2024-04-04 22:33:41,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 10 remaining) [2024-04-04 22:33:41,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-04-04 22:33:41,198 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 22:33:41,198 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:33:41,198 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-04-04 22:33:41,235 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-04-04 22:33:41,238 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:33:41,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:33:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:41,239 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:33:41,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (69)] Waiting until timeout for monitored process [2024-04-04 22:33:41,257 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:33:41,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:41,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:33:41,258 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:33:41,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-04-04 22:33:41,447 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:33:41,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:41,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2001043346, now seen corresponding path program 1 times [2024-04-04 22:33:41,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:41,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736904008] [2024-04-04 22:33:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-04-04 22:33:41,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:41,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736904008] [2024-04-04 22:33:41,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736904008] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:33:41,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:33:41,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:33:41,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598145703] [2024-04-04 22:33:41,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:33:41,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:33:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:41,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:33:41,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:33:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:41,944 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:41,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 22:33:41,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:42,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-04-04 22:33:42,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:33:42,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:42,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1543625373, now seen corresponding path program 1 times [2024-04-04 22:33:42,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:42,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570517316] [2024-04-04 22:33:42,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:42,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:33:42,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:42,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570517316] [2024-04-04 22:33:42,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570517316] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:33:42,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569261593] [2024-04-04 22:33:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:42,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:42,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:42,285 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:33:42,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-04-04 22:33:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:42,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:33:42,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:33:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:33:42,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:33:42,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569261593] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:33:42,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:33:42,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:33:42,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761897414] [2024-04-04 22:33:42,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:33:42,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:33:42,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:43,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:33:43,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:33:43,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:43,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:43,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 29.1) internal successors, (291), 10 states have internal predecessors, (291), 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) [2024-04-04 22:33:43,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:43,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:43,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2024-04-04 22:33:43,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2024-04-04 22:33:43,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:33:43,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:43,448 INFO L85 PathProgramCache]: Analyzing trace with hash -295895069, now seen corresponding path program 2 times [2024-04-04 22:33:43,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:43,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089755507] [2024-04-04 22:33:43,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:43,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:33:43,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:43,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089755507] [2024-04-04 22:33:43,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089755507] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:33:43,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158864981] [2024-04-04 22:33:43,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:33:43,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:43,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:43,610 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:33:43,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-04-04 22:33:44,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:33:44,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:33:44,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:33:44,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:33:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:33:44,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:33:44,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158864981] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:33:44,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:33:44,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:33:44,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119797661] [2024-04-04 22:33:44,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:33:44,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:33:44,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:33:44,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:33:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:33:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:44,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:33:44,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 17.27777777777778) internal successors, (311), 18 states have internal predecessors, (311), 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) [2024-04-04 22:33:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:44,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:33:44,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:33:44,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:33:44,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:33:44,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2024-04-04 22:33:45,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,71 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:45,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:33:45,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:33:45,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1967827741, now seen corresponding path program 3 times [2024-04-04 22:33:45,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:33:45,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635588391] [2024-04-04 22:33:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:33:45,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:33:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:33:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:33:45,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:33:45,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635588391] [2024-04-04 22:33:45,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635588391] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:33:45,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384674461] [2024-04-04 22:33:45,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:33:45,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:33:45,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:33:45,289 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:33:45,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-04-04 22:33:54,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 22:33:54,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:33:54,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 85 conjunts are in the unsatisfiable core [2024-04-04 22:33:54,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:33:54,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:33:54,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:54,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:33:54,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:54,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 22:33:54,889 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2024-04-04 22:33:54,889 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 19 treesize of output 16 [2024-04-04 22:33:56,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:33:56,778 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 22:33:56,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 18 [2024-04-04 22:33:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:56,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:33:56,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:56,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:33:56,971 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2024-04-04 22:33:56,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2024-04-04 22:33:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:57,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-04-04 22:33:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:57,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-04-04 22:33:57,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-04-04 22:33:57,866 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 22:33:57,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 18 [2024-04-04 22:33:57,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:57,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:33:57,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:57,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:33:58,022 INFO L349 Elim1Store]: treesize reduction 31, result has 18.4 percent of original size [2024-04-04 22:33:58,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2024-04-04 22:33:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:58,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:33:58,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:33:58,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:33:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 236 proven. 76 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 22:33:58,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:33:58,296 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8165 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) (+ (* |c_t_funThread8of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 22:34:01,988 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8156 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8162 Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse3 (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|)) (.cse4 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse1 (store .cse3 .cse4 1)) (.cse2 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select (select (store (let ((.cse0 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse1 .cse2 v_ArrVal_8159)))) (store .cse0 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse0 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0)) (not (= (select .cse3 .cse4) 0)) (not (= (select .cse1 .cse2) 0)))))) is different from false [2024-04-04 22:34:04,430 INFO L349 Elim1Store]: treesize reduction 54, result has 43.2 percent of original size [2024-04-04 22:34:04,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 509 treesize of output 237 [2024-04-04 22:34:04,882 INFO L349 Elim1Store]: treesize reduction 40, result has 50.0 percent of original size [2024-04-04 22:34:04,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 900 treesize of output 887 [2024-04-04 22:34:05,649 INFO L349 Elim1Store]: treesize reduction 77, result has 46.9 percent of original size [2024-04-04 22:34:05,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 874 treesize of output 894 [2024-04-04 22:34:05,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:05,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 19643 treesize of output 19513 [2024-04-04 22:34:05,825 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 22:34:05,833 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 22:34:05,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:05,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 815 treesize of output 779 [2024-04-04 22:34:05,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 727 treesize of output 695 [2024-04-04 22:34:05,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 695 treesize of output 663 [2024-04-04 22:34:05,971 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 22:34:05,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 194 [2024-04-04 22:34:06,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:34:06,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:34:06,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:06,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 234 treesize of output 266 [2024-04-04 22:34:06,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:06,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 408 treesize of output 460 [2024-04-04 22:34:07,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:34:07,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:07,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2024-04-04 22:34:09,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:09,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:34:09,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:09,466 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 39 treesize of output 31 [2024-04-04 22:34:09,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 22:34:09,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:09,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:34:09,480 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-04-04 22:34:09,480 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 39 treesize of output 34 [2024-04-04 22:34:09,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:34:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 146 proven. 165 refuted. 1 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 22:34:13,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384674461] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:34:13,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:34:13,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 28, 32] total 73 [2024-04-04 22:34:13,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278549692] [2024-04-04 22:34:13,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:34:13,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-04 22:34:13,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:34:14,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-04 22:34:14,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=4422, Unknown=66, NotChecked=278, Total=5256 [2024-04-04 22:34:14,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:14,120 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:34:14,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 13.493150684931507) internal successors, (985), 73 states have internal predecessors, (985), 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) [2024-04-04 22:34:14,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:14,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:14,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:14,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:21,329 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse6 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse1 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse4 (+ |c_~#cache~0.offset| 4)) (.cse15 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse30 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse24 (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| 4)))) (and (= |c_t_funThread6of8ForFork0_~i~0#1| 0) (forall ((v_ArrVal_8156 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8162 Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse5 (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse2 (store .cse5 .cse6 1)) (.cse3 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select (select (store (let ((.cse0 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse2 .cse3 v_ArrVal_8159)))) (store .cse0 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse0 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse4) 0)) (not (= (select .cse5 .cse6) 0)) (not (= (select .cse2 .cse3) 0)))))) (= |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.offset| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (let ((.cse7 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse8 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse7 .cse8) 0)) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse10 (let ((.cse14 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse7 .cse8 v_ArrVal_8150)))) (store .cse14 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse14 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse15 v_ArrVal_8154))))) (let ((.cse13 (select (store .cse10 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse11 (store .cse13 .cse6 1)) (.cse12 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse9 (store .cse10 |c_~#cache~0.base| (store .cse11 .cse12 v_ArrVal_8159)))) (store .cse9 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse9 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse4) 0)) (not (= (select .cse11 .cse12) 0)) (not (= (select .cse13 .cse6) 0)))))))))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread3of8ForFork0_cache_entry_addref_#in~entry#1.base| 4) (= |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.offset| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse21 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse22 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse17 (let ((.cse23 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse21 .cse22 v_ArrVal_8150)))) (store .cse23 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse23 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse15 v_ArrVal_8154))))) (let ((.cse20 (select (store .cse17 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse18 (store .cse20 .cse6 1)) (.cse19 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse16 (store .cse17 |c_~#cache~0.base| (store .cse18 .cse19 v_ArrVal_8159)))) (store .cse16 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse16 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse4) 0)) (not (= (select .cse18 .cse19) 0)) (not (= (select .cse20 .cse6) 0)) (not (= (select .cse21 .cse22) 0)))))))) (<= 4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (= |c_~#cache~0.offset| 0) (or .cse24 (= (select (select |c_#pthreadsMutex| 4) 4) 1) (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 0))) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse31 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse32 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse30 .cse31 v_ArrVal_8150)))) (let ((.cse29 (store (select (store .cse32 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse15 v_ArrVal_8154))) (let ((.cse25 (select (store (store .cse32 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse29) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse26 (store .cse25 .cse6 1)) (.cse27 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse25 .cse6) 0)) (not (= (select .cse26 .cse27) 0)) (not (= (select (select (store (let ((.cse28 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse29) |c_~#cache~0.base| (store .cse26 .cse27 v_ArrVal_8159)))) (store .cse28 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse28 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse4) 0)) (not (= (select .cse30 .cse31) 0))))))))) (= |c_t_funThread7of8ForFork0_~i~0#1| 0) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse34 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse15 v_ArrVal_8154)))) (let ((.cse37 (select (store .cse34 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse35 (store .cse37 .cse6 1)) (.cse36 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse33 (store .cse34 |c_~#cache~0.base| (store .cse35 .cse36 v_ArrVal_8159)))) (store .cse33 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse33 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse4) 0)) (not (= (select .cse37 .cse6) 0)) (not (= (select .cse35 .cse36) 0))))))) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse42 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse15 v_ArrVal_8154)))) (let ((.cse38 (select (store .cse42 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse39 (store .cse38 .cse6 1)) (.cse40 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse38 .cse6) 0)) (not (= (select .cse39 .cse40) 0)) (not (= (select (select (store (let ((.cse41 (store .cse42 |c_~#cache~0.base| (store .cse39 .cse40 v_ArrVal_8159)))) (store .cse41 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse41 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse4) 0))))))) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse48 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse49 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse30 .cse48 v_ArrVal_8150)))) (let ((.cse46 (store (select (store .cse49 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse15 v_ArrVal_8154))) (let ((.cse47 (select (store (store .cse49 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse46) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse43 (store .cse47 .cse4 1)) (.cse44 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse43 .cse44) 0)) (not (= (select (select (store (let ((.cse45 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse46) |c_~#cache~0.base| (store .cse43 .cse44 v_ArrVal_8159)))) (store .cse45 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse45 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse4) 0)) (not (= (select .cse47 .cse4) 0)) (not (= (select .cse30 .cse48) 0))))))))) (or .cse24 (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|))) (= |c_~#cache~0.base| 4) (= |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base| 4))) is different from true [2024-04-04 22:34:27,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:27,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:27,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:27,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 22:34:27,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-04-04 22:34:27,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-04-04 22:34:27,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:34:27,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:34:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2005341208, now seen corresponding path program 1 times [2024-04-04 22:34:27,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:34:27,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672823186] [2024-04-04 22:34:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:34:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:34:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:34:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:34:27,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:34:27,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672823186] [2024-04-04 22:34:27,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672823186] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:34:27,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577488118] [2024-04-04 22:34:27,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:34:27,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:34:27,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:34:27,763 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:34:27,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-04-04 22:34:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:34:28,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 22:34:28,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:34:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:34:28,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:34:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 22:34:28,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577488118] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:34:28,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:34:28,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 22:34:28,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010564798] [2024-04-04 22:34:28,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:34:28,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 22:34:28,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:34:28,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 22:34:28,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 22:34:28,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:28,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:34:28,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 14.08695652173913) internal successors, (324), 23 states have internal predecessors, (324), 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) [2024-04-04 22:34:28,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:28,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:28,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:28,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 22:34:28,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:29,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 22:34:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:34:29,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Forceful destruction successful, exit code 0 [2024-04-04 22:34:29,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable80 [2024-04-04 22:34:29,578 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:34:29,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:34:29,578 INFO L85 PathProgramCache]: Analyzing trace with hash 515858792, now seen corresponding path program 2 times [2024-04-04 22:34:29,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:34:29,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306905918] [2024-04-04 22:34:29,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:34:29,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:34:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:34:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-04-04 22:34:30,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:34:30,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306905918] [2024-04-04 22:34:30,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306905918] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:34:30,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:34:30,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 22:34:30,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017789725] [2024-04-04 22:34:30,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:34:30,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 22:34:30,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:34:30,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 22:34:30,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-04-04 22:34:30,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:30,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:34:30,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 29.636363636363637) internal successors, (326), 11 states have internal predecessors, (326), 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) [2024-04-04 22:34:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 22:34:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:34:30,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:32,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:32,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:32,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:32,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-04 22:34:32,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:34:32,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:34:32,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-04-04 22:34:32,571 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:34:32,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:34:32,571 INFO L85 PathProgramCache]: Analyzing trace with hash 301909943, now seen corresponding path program 1 times [2024-04-04 22:34:32,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:34:32,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024100496] [2024-04-04 22:34:32,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:34:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:34:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:34:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 261 proven. 10 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-04-04 22:34:33,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:34:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024100496] [2024-04-04 22:34:33,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024100496] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:34:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519694822] [2024-04-04 22:34:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:34:33,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:34:33,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:34:33,287 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:34:33,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-04-04 22:34:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:34:33,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 22:34:33,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:34:34,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:34:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 150 proven. 5 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-04-04 22:34:34,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:34:34,380 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 18 treesize of output 12 [2024-04-04 22:34:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 150 proven. 5 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-04-04 22:34:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519694822] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:34:34,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:34:34,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 22:34:34,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005183435] [2024-04-04 22:34:34,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:34:34,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 22:34:34,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:34:34,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 22:34:34,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2024-04-04 22:34:34,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:34,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:34:34,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 19.26923076923077) internal successors, (501), 26 states have internal predecessors, (501), 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) [2024-04-04 22:34:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-04 22:34:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:34:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:34:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-04 22:34:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:34:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:34:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:34:37,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-04-04 22:34:37,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,74 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:34:37,715 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:34:37,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:34:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1208800455, now seen corresponding path program 1 times [2024-04-04 22:34:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:34:37,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699409946] [2024-04-04 22:34:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:34:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:34:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:34:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 196 proven. 55 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 22:34:40,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:34:40,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699409946] [2024-04-04 22:34:40,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699409946] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:34:40,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849096735] [2024-04-04 22:34:40,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:34:40,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:34:40,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:34:40,645 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:34:40,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-04-04 22:34:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:34:41,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 22:34:41,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:34:41,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:34:42,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:34:42,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:34:42,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:34:42,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:34:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 216 proven. 15 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-04-04 22:34:42,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:34:42,349 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8960 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8960) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4 (* 28 |c_t_funThread4of8ForFork0_~i~0#1|))) 0))) is different from false [2024-04-04 22:34:42,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:42,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 22:34:42,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:34:42,471 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 39 treesize of output 38 [2024-04-04 22:34:42,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:34:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 335 trivial. 15 not checked. [2024-04-04 22:34:42,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849096735] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:34:42,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:34:42,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12, 12] total 42 [2024-04-04 22:34:42,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207539548] [2024-04-04 22:34:42,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:34:42,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 22:34:42,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:34:43,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 22:34:43,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1427, Unknown=5, NotChecked=78, Total=1722 [2024-04-04 22:34:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:43,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:34:43,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 11.023809523809524) internal successors, (463), 42 states have internal predecessors, (463), 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) [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:34:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:34:48,587 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse11 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse5 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse9 (+ |c_~#cache~0.offset| 4)) (.cse13 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse27 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse0 (not (= |c_~#cache~0.base| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|))) (.cse1 (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)))) (and (or .cse0 .cse1 (and (= |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.base| |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base|))) (or (= |c_t_funThread6of8ForFork0_~i~0#1| 0) .cse0 .cse1) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (let ((.cse2 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse3 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse2 .cse3) 0)) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse6 (let ((.cse12 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse2 .cse3 v_ArrVal_8150)))) (store .cse12 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse12 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))))) (let ((.cse10 (select (store .cse6 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse7 (store .cse10 .cse11 1)) (.cse8 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse4 (store .cse6 |c_~#cache~0.base| (store .cse7 .cse8 v_ArrVal_8159)))) (store .cse4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse4 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse7 .cse8) 0)) (not (= (select .cse10 .cse11) 0)))))))))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| 4) (or .cse0 .cse1 (and (= |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.base| |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base|))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_#in~entry#1.base| 4) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse19 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse20 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse15 (let ((.cse21 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse19 .cse20 v_ArrVal_8150)))) (store .cse21 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse21 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))))) (let ((.cse18 (select (store .cse15 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse16 (store .cse18 .cse11 1)) (.cse17 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse14 (store .cse15 |c_~#cache~0.base| (store .cse16 .cse17 v_ArrVal_8159)))) (store .cse14 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse14 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse16 .cse17) 0)) (not (= (select .cse18 .cse11) 0)) (not (= (select .cse19 .cse20) 0)))))))) (= |c_~#cache~0.offset| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse28 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse29 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse27 .cse28 v_ArrVal_8150)))) (let ((.cse26 (store (select (store .cse29 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))) (let ((.cse22 (select (store (store .cse29 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse26) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse23 (store .cse22 .cse11 1)) (.cse24 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse22 .cse11) 0)) (not (= (select .cse23 .cse24) 0)) (not (= (select (select (store (let ((.cse25 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse26) |c_~#cache~0.base| (store .cse23 .cse24 v_ArrVal_8159)))) (store .cse25 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse25 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse27 .cse28) 0))))))))) (= (select (select |c_#pthreadsMutex| 4) .cse13) 1) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse31 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154)))) (let ((.cse34 (select (store .cse31 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse32 (store .cse34 .cse11 1)) (.cse33 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse30 (store .cse31 |c_~#cache~0.base| (store .cse32 .cse33 v_ArrVal_8159)))) (store .cse30 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse30 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse34 .cse11) 0)) (not (= (select .cse32 .cse33) 0))))))) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse39 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154)))) (let ((.cse35 (select (store .cse39 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse36 (store .cse35 .cse11 1)) (.cse37 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse35 .cse11) 0)) (not (= (select .cse36 .cse37) 0)) (not (= (select (select (store (let ((.cse38 (store .cse39 |c_~#cache~0.base| (store .cse36 .cse37 v_ArrVal_8159)))) (store .cse38 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse38 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0))))))) (or (not (= (select .cse27 .cse11) 0)) (forall ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8162 Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse40 (store .cse27 .cse11 1)) (.cse41 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse40 .cse41) 0)) (not (= (select (select (store (let ((.cse42 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse40 .cse41 v_ArrVal_8159)))) (store .cse42 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse42 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)))))) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse48 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse49 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse27 .cse48 v_ArrVal_8150)))) (let ((.cse46 (store (select (store .cse49 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))) (let ((.cse47 (select (store (store .cse49 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse46) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse43 (store .cse47 .cse9 1)) (.cse44 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse43 .cse44) 0)) (not (= (select (select (store (let ((.cse45 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse46) |c_~#cache~0.base| (store .cse43 .cse44 v_ArrVal_8159)))) (store .cse45 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse45 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse47 .cse9) 0)) (not (= (select .cse27 .cse48) 0))))))))) (= |c_~#cache~0.base| 4) (or (not (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)) .cse0 .cse1 (not (= |c_~#cache~0.base| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|))))) is different from true [2024-04-04 22:35:07,253 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 [1] [2024-04-04 22:35:09,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:35:16,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:35:18,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:35:20,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:35:38,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:35:40,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:35:55,069 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse13 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse5 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse9 (+ |c_~#cache~0.offset| 4)) (.cse27 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse11 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse0 (not (= |c_~#cache~0.base| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|))) (.cse1 (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)))) (and (or (= |c_t_funThread6of8ForFork0_~i~0#1| 0) .cse0 .cse1) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (let ((.cse2 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse3 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse2 .cse3) 0)) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse6 (let ((.cse12 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse2 .cse3 v_ArrVal_8150)))) (store .cse12 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse12 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))))) (let ((.cse10 (select (store .cse6 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse7 (store .cse10 .cse11 1)) (.cse8 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse4 (store .cse6 |c_~#cache~0.base| (store .cse7 .cse8 v_ArrVal_8159)))) (store .cse4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse4 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse7 .cse8) 0)) (not (= (select .cse10 .cse11) 0)))))))))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| 4) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse19 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse20 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse15 (let ((.cse21 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse19 .cse20 v_ArrVal_8150)))) (store .cse21 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse21 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))))) (let ((.cse18 (select (store .cse15 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse16 (store .cse18 .cse11 1)) (.cse17 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse14 (store .cse15 |c_~#cache~0.base| (store .cse16 .cse17 v_ArrVal_8159)))) (store .cse14 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse14 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse16 .cse17) 0)) (not (= (select .cse18 .cse11) 0)) (not (= (select .cse19 .cse20) 0)))))))) (= |c_~#cache~0.offset| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse28 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse29 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse27 .cse28 v_ArrVal_8150)))) (let ((.cse26 (store (select (store .cse29 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))) (let ((.cse22 (select (store (store .cse29 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse26) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse23 (store .cse22 .cse11 1)) (.cse24 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse22 .cse11) 0)) (not (= (select .cse23 .cse24) 0)) (not (= (select (select (store (let ((.cse25 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse26) |c_~#cache~0.base| (store .cse23 .cse24 v_ArrVal_8159)))) (store .cse25 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse25 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse27 .cse28) 0))))))))) (= (select (select |c_#pthreadsMutex| 4) .cse13) 1) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse31 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154)))) (let ((.cse34 (select (store .cse31 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse32 (store .cse34 .cse11 1)) (.cse33 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse30 (store .cse31 |c_~#cache~0.base| (store .cse32 .cse33 v_ArrVal_8159)))) (store .cse30 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse30 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse34 .cse11) 0)) (not (= (select .cse32 .cse33) 0))))))) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse39 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154)))) (let ((.cse35 (select (store .cse39 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse36 (store .cse35 .cse11 1)) (.cse37 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse35 .cse11) 0)) (not (= (select .cse36 .cse37) 0)) (not (= (select (select (store (let ((.cse38 (store .cse39 |c_~#cache~0.base| (store .cse36 .cse37 v_ArrVal_8159)))) (store .cse38 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse38 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0))))))) (or (not (= (select .cse27 .cse11) 0)) (forall ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8162 Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse40 (store .cse27 .cse11 1)) (.cse41 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse40 .cse41) 0)) (not (= (select (select (store (let ((.cse42 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse40 .cse41 v_ArrVal_8159)))) (store .cse42 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse42 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)))))) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (= |c_~#cache~0.base| 4) (or (not (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)) .cse0 .cse1 (not (= |c_~#cache~0.base| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|))))) is different from true [2024-04-04 22:35:57,072 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 [1] [2024-04-04 22:35:59,683 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse13 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse5 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse9 (+ |c_~#cache~0.offset| 4)) (.cse27 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse11 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse0 (not (= |c_~#cache~0.base| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|))) (.cse1 (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)))) (and (or (= |c_t_funThread6of8ForFork0_~i~0#1| 0) .cse0 .cse1) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (let ((.cse2 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse3 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse2 .cse3) 0)) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse6 (let ((.cse12 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse2 .cse3 v_ArrVal_8150)))) (store .cse12 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse12 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))))) (let ((.cse10 (select (store .cse6 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse7 (store .cse10 .cse11 1)) (.cse8 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse4 (store .cse6 |c_~#cache~0.base| (store .cse7 .cse8 v_ArrVal_8159)))) (store .cse4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse4 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse7 .cse8) 0)) (not (= (select .cse10 .cse11) 0)))))))))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| 4) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse19 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse20 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse15 (let ((.cse21 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse19 .cse20 v_ArrVal_8150)))) (store .cse21 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse21 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))))) (let ((.cse18 (select (store .cse15 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse16 (store .cse18 .cse11 1)) (.cse17 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse14 (store .cse15 |c_~#cache~0.base| (store .cse16 .cse17 v_ArrVal_8159)))) (store .cse14 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse14 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse16 .cse17) 0)) (not (= (select .cse18 .cse11) 0)) (not (= (select .cse19 .cse20) 0)))))))) (= |c_~#cache~0.offset| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse28 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse29 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse27 .cse28 v_ArrVal_8150)))) (let ((.cse26 (store (select (store .cse29 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154))) (let ((.cse22 (select (store (store .cse29 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse26) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse23 (store .cse22 .cse11 1)) (.cse24 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse22 .cse11) 0)) (not (= (select .cse23 .cse24) 0)) (not (= (select (select (store (let ((.cse25 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse26) |c_~#cache~0.base| (store .cse23 .cse24 v_ArrVal_8159)))) (store .cse25 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse25 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)) (not (= (select .cse27 .cse28) 0))))))))) (= (select (select |c_#pthreadsMutex| 4) .cse13) 1) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse34 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_8154)))) (let ((.cse30 (select (store .cse34 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse31 (store .cse30 .cse11 1)) (.cse32 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse30 .cse11) 0)) (not (= (select .cse31 .cse32) 0)) (not (= (select (select (store (let ((.cse33 (store .cse34 |c_~#cache~0.base| (store .cse31 .cse32 v_ArrVal_8159)))) (store .cse33 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse33 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0))))))) (or (not (= (select .cse27 .cse11) 0)) (forall ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8162 Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse35 (store .cse27 .cse11 1)) (.cse36 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse35 .cse36) 0)) (not (= (select (select (store (let ((.cse37 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse35 .cse36 v_ArrVal_8159)))) (store .cse37 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse37 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse9) 0)))))) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (= |c_~#cache~0.base| 4) (or (not (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)) .cse0 .cse1 (not (= |c_~#cache~0.base| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|))))) is different from true [2024-04-04 22:36:01,687 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 [1] [2024-04-04 22:36:03,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:05,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:07,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:09,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:11,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:14,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:33,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:35,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:37,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:40,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:41,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:43,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:45,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:47,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:49,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:36:51,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:16,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:18,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:20,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:22,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:24,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:25,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:28,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:30,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:32,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:34,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:36,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:38,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:39,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:41,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:37:44,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:01,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:03,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:05,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:24,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:26,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:28,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:30,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:51,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:53,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:55,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:57,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:38:59,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:01,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:03,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:05,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:07,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:09,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:11,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:13,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:14,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:16,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:18,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:20,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:22,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:25,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:27,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:29,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:31,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:33,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:39:36,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:40:30,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:02,432 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse17 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse1 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse5 (+ |c_~#cache~0.offset| 4)) (.cse31 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse15 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (and (let ((.cse6 (select |c_#pthreadsMutex| |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse7 (+ |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.offset| 4))) (or (forall ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8162 Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse2 (store |c_#pthreadsMutex| |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse6 .cse7 1)))) (let ((.cse3 (select .cse2 |c_~#cache~0.base|)) (.cse4 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select (select (store (let ((.cse0 (store .cse2 |c_~#cache~0.base| (store .cse3 .cse4 v_ArrVal_8159)))) (store .cse0 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse0 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse5) 0)) (not (= (select .cse3 .cse4) 0)))))) (not (= (select .cse6 .cse7) 0)))) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (let ((.cse8 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse9 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse8 .cse9) 0)) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse11 (let ((.cse16 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse8 .cse9 v_ArrVal_8150)))) (store .cse16 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse16 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse17 v_ArrVal_8154))))) (let ((.cse14 (select (store .cse11 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse12 (store .cse14 .cse15 1)) (.cse13 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse10 (store .cse11 |c_~#cache~0.base| (store .cse12 .cse13 v_ArrVal_8159)))) (store .cse10 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse10 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse5) 0)) (not (= (select .cse12 .cse13) 0)) (not (= (select .cse14 .cse15) 0)))))))))) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse23 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse24 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse19 (let ((.cse25 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse23 .cse24 v_ArrVal_8150)))) (store .cse25 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse25 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse17 v_ArrVal_8154))))) (let ((.cse22 (select (store .cse19 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse20 (store .cse22 .cse15 1)) (.cse21 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse18 (store .cse19 |c_~#cache~0.base| (store .cse20 .cse21 v_ArrVal_8159)))) (store .cse18 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse18 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse5) 0)) (not (= (select .cse20 .cse21) 0)) (not (= (select .cse22 .cse15) 0)) (not (= (select .cse23 .cse24) 0)))))))) (= |c_~#cache~0.offset| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8150 Int) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse32 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse33 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse31 .cse32 v_ArrVal_8150)))) (let ((.cse30 (store (select (store .cse33 |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse17 v_ArrVal_8154))) (let ((.cse26 (select (store (store .cse33 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse30) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse27 (store .cse26 .cse15 1)) (.cse28 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse26 .cse15) 0)) (not (= (select .cse27 .cse28) 0)) (not (= (select (select (store (let ((.cse29 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse30) |c_~#cache~0.base| (store .cse27 .cse28 v_ArrVal_8159)))) (store .cse29 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse29 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse5) 0)) (not (= (select .cse31 .cse32) 0))))))))) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse35 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse17 v_ArrVal_8154)))) (let ((.cse38 (select (store .cse35 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse36 (store .cse38 .cse15 1)) (.cse37 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse34 (store .cse35 |c_~#cache~0.base| (store .cse36 .cse37 v_ArrVal_8159)))) (store .cse34 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse34 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse5) 0)) (not (= (select .cse38 .cse15) 0)) (not (= (select .cse36 .cse37) 0))))))) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_8154 Int) (v_ArrVal_8156 (Array Int Int)) (v_ArrVal_8162 Int) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8152 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse43 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8152) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse17 v_ArrVal_8154)))) (let ((.cse39 (select (store .cse43 |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|))) (let ((.cse40 (store .cse39 .cse15 1)) (.cse41 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse39 .cse15) 0)) (not (= (select .cse40 .cse41) 0)) (not (= (select (select (store (let ((.cse42 (store .cse43 |c_~#cache~0.base| (store .cse40 .cse41 v_ArrVal_8159)))) (store .cse42 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse42 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse5) 0))))))) (or (not (= (select .cse31 .cse15) 0)) (forall ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_8162 Int) (v_ArrVal_8161 (Array Int Int)) (v_ArrVal_8165 (Array Int Int)) (v_ArrVal_8159 Int)) (let ((.cse44 (store .cse31 .cse15 1)) (.cse45 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse44 .cse45) 0)) (not (= (select (select (store (let ((.cse46 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse44 .cse45 v_ArrVal_8159)))) (store .cse46 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse46 |c_~#__global_lock~0.base| v_ArrVal_8161) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse1 v_ArrVal_8162))) |c_~#__global_lock~0.base| v_ArrVal_8165) |c_~#cache~0.base|) .cse5) 0)))))) (= |c_~#cache~0.base| 4))) is different from true [2024-04-04 22:41:05,595 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 [1] [2024-04-04 22:41:07,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:09,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:11,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:12,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:14,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:16,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:18,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:21,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:23,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:25,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:27,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:29,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:34,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:36,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:38,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:40,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:42,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:44,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:46,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:48,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:51,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:53,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:55,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:41:58,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:02,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:04,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:06,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:14,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:16,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:18,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:20,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:22,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 22:42:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:26,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Forceful destruction successful, exit code 0 [2024-04-04 22:42:27,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,75 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:27,031 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:42:27,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:27,032 INFO L85 PathProgramCache]: Analyzing trace with hash 857590038, now seen corresponding path program 1 times [2024-04-04 22:42:27,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:27,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497421559] [2024-04-04 22:42:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:27,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 199 proven. 87 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 22:42:29,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:29,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497421559] [2024-04-04 22:42:29,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497421559] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:42:29,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456443946] [2024-04-04 22:42:29,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:29,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:29,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:29,504 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:42:29,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-04-04 22:42:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:30,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:42:30,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:42:30,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:42:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 206 proven. 65 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 22:42:30,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:42:30,845 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 18 treesize of output 12 [2024-04-04 22:42:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 236 proven. 35 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 22:42:31,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456443946] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:42:31,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:42:31,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 10, 9] total 40 [2024-04-04 22:42:31,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413161400] [2024-04-04 22:42:31,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:42:31,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-04 22:42:31,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:42:31,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-04 22:42:31,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1396, Unknown=0, NotChecked=0, Total=1560 [2024-04-04 22:42:31,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:31,531 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:42:31,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 12.8) internal successors, (512), 40 states have internal predecessors, (512), 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) [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:31,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:33,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:33,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Forceful destruction successful, exit code 0 [2024-04-04 22:42:33,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-04-04 22:42:33,922 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:42:33,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:33,922 INFO L85 PathProgramCache]: Analyzing trace with hash 139712398, now seen corresponding path program 1 times [2024-04-04 22:42:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:33,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021959449] [2024-04-04 22:42:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:33,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 241 proven. 35 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-04 22:42:34,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:34,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021959449] [2024-04-04 22:42:34,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021959449] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:42:34,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826421814] [2024-04-04 22:42:34,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:34,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:34,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:34,588 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:42:34,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-04-04 22:42:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:35,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 22:42:35,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:42:35,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:42:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 226 proven. 50 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-04 22:42:35,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:42:35,973 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 18 treesize of output 12 [2024-04-04 22:42:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 236 proven. 40 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-04 22:42:36,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826421814] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:42:36,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:42:36,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 22:42:36,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815287753] [2024-04-04 22:42:36,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:42:36,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 22:42:36,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:42:36,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 22:42:36,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2024-04-04 22:42:36,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:36,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:42:36,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 19.76923076923077) internal successors, (514), 26 states have internal predecessors, (514), 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) [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:36,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:37,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:37,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-04-04 22:42:37,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,77 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:37,543 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:42:37,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:37,543 INFO L85 PathProgramCache]: Analyzing trace with hash 2119521288, now seen corresponding path program 1 times [2024-04-04 22:42:37,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:37,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951368977] [2024-04-04 22:42:37,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:37,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 251 proven. 15 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 22:42:38,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:38,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951368977] [2024-04-04 22:42:38,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951368977] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:42:38,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013022887] [2024-04-04 22:42:38,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:38,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:38,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:38,871 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:42:38,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-04-04 22:42:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:39,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 22:42:39,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:42:39,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:42:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 196 proven. 5 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-04 22:42:39,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:42:40,008 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 18 treesize of output 12 [2024-04-04 22:42:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 196 proven. 5 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-04 22:42:40,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013022887] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:42:40,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:42:40,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-04 22:42:40,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013350722] [2024-04-04 22:42:40,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:42:40,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 22:42:40,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:42:40,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 22:42:40,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2024-04-04 22:42:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:40,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:42:40,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 17.5) internal successors, (560), 32 states have internal predecessors, (560), 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) [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:40,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 22:42:41,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2024-04-04 22:42:41,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2024-04-04 22:42:41,950 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:42:41,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:41,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1794603107, now seen corresponding path program 1 times [2024-04-04 22:42:41,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:41,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632524075] [2024-04-04 22:42:41,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:41,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 115 proven. 181 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 22:42:43,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:43,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632524075] [2024-04-04 22:42:43,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632524075] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:42:43,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909023437] [2024-04-04 22:42:43,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:43,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:43,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:43,465 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:42:43,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-04-04 22:42:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:44,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 22:42:44,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:42:44,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 22:42:45,150 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 22:42:45,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 18 [2024-04-04 22:42:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:42:45,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:42:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:42:45,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 22:42:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 151 proven. 125 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-04 22:42:45,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:42:45,532 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9627 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_9627) |c_~#cache~0.base|) (+ (* |c_t_funThread8of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 22:42:45,856 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 22:42:45,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-04-04 22:42:45,864 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 22:42:45,864 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 39 treesize of output 38 [2024-04-04 22:42:45,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 22:42:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 116 proven. 124 refuted. 15 times theorem prover too weak. 275 trivial. 36 not checked. [2024-04-04 22:42:46,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909023437] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:42:46,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:42:46,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 14, 15] total 47 [2024-04-04 22:42:46,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547661210] [2024-04-04 22:42:46,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:42:46,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-04 22:42:46,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:42:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-04 22:42:46,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1820, Unknown=7, NotChecked=88, Total=2162 [2024-04-04 22:42:46,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:46,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:42:46,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 12.74468085106383) internal successors, (599), 47 states have internal predecessors, (599), 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) [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 22:42:46,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 22:42:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 22:42:47,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Forceful destruction successful, exit code 0 [2024-04-04 22:42:47,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-04-04 22:42:47,873 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-04-04 22:42:47,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:47,873 INFO L85 PathProgramCache]: Analyzing trace with hash 869788254, now seen corresponding path program 1 times [2024-04-04 22:42:47,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:47,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375403038] [2024-04-04 22:42:47,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:42:47,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 22:42:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 22:42:47,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 22:42:47,964 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2024-04-04 22:42:47,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2024-04-04 22:42:47,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-04-04 22:42:47,965 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 22:42:47,965 WARN L233 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 22:42:47,965 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2024-04-04 22:42:48,026 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-04-04 22:42:48,030 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:42:48,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:42:48,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:48,031 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 22:42:48,034 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:42:48,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:48,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:42:48,035 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;@7c84053a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:42:48,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-04-04 22:42:48,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (80)] Waiting until timeout for monitored process [2024-04-04 22:42:48,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-04-04 22:42:48,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:48,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1528133212, now seen corresponding path program 1 times [2024-04-04 22:42:48,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:48,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388728013] [2024-04-04 22:42:48,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:48,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2024-04-04 22:42:48,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:48,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388728013] [2024-04-04 22:42:48,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388728013] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:42:48,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:42:48,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:42:48,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886287000] [2024-04-04 22:42:48,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:42:48,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:42:48,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:42:48,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:42:48,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:42:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:48,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:42:48,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-04-04 22:42:48,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:49,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-04-04 22:42:49,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-04-04 22:42:49,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:49,317 INFO L85 PathProgramCache]: Analyzing trace with hash -860360388, now seen corresponding path program 1 times [2024-04-04 22:42:49,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:49,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600914383] [2024-04-04 22:42:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:49,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 22:42:49,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:49,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600914383] [2024-04-04 22:42:49,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600914383] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:42:49,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825989972] [2024-04-04 22:42:49,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:49,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:49,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:49,500 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:42:49,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-04-04 22:42:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:50,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:42:50,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:42:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 22:42:50,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:42:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 22:42:50,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825989972] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:42:50,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:42:50,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 22:42:50,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284246248] [2024-04-04 22:42:50,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:42:50,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 22:42:50,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:42:50,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 22:42:50,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 22:42:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:50,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:42:50,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 33.5) internal successors, (335), 10 states have internal predecessors, (335), 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) [2024-04-04 22:42:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:50,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:50,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:50,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:50,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2024-04-04 22:42:50,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,81 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:50,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-04-04 22:42:50,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:50,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2057723676, now seen corresponding path program 2 times [2024-04-04 22:42:50,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:50,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919739209] [2024-04-04 22:42:50,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:50,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 22:42:51,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:51,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919739209] [2024-04-04 22:42:51,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919739209] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:42:51,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17133743] [2024-04-04 22:42:51,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:42:51,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:51,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:51,042 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:42:51,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2024-04-04 22:42:51,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:42:51,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:42:51,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:42:51,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:42:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 22:42:51,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:42:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 22:42:52,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17133743] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:42:52,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 22:42:52,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 22:42:52,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379086327] [2024-04-04 22:42:52,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 22:42:52,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 22:42:52,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:42:52,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 22:42:52,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 22:42:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:52,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:42:52,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 19.72222222222222) internal successors, (355), 18 states have internal predecessors, (355), 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) [2024-04-04 22:42:52,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:52,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:52,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:42:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:42:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:42:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:42:52,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Forceful destruction successful, exit code 0 [2024-04-04 22:42:52,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,82 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:52,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-04-04 22:42:52,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:42:52,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1352250076, now seen corresponding path program 3 times [2024-04-04 22:42:52,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:42:52,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940318475] [2024-04-04 22:42:52,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:42:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:42:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:42:53,182 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 22:42:53,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:42:53,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940318475] [2024-04-04 22:42:53,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940318475] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 22:42:53,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735890800] [2024-04-04 22:42:53,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:42:53,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:42:53,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:42:53,184 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 22:42:53,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2024-04-04 22:43:12,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 22:43:12,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:43:12,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 153 conjunts are in the unsatisfiable core [2024-04-04 22:43:12,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:43:14,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-04 22:43:14,924 INFO L349 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2024-04-04 22:43:14,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 22:43:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:43:14,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 22:43:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:43:15,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 22:43:15,236 INFO L349 Elim1Store]: treesize reduction 42, result has 44.0 percent of original size [2024-04-04 22:43:15,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 48 [2024-04-04 22:43:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:43:15,559 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-04-04 22:43:15,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 60 [2024-04-04 22:43:15,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:43:15,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 43 [2024-04-04 22:43:16,519 INFO L349 Elim1Store]: treesize reduction 22, result has 50.0 percent of original size [2024-04-04 22:43:16,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 62 [2024-04-04 22:43:17,772 INFO L349 Elim1Store]: treesize reduction 62, result has 45.6 percent of original size [2024-04-04 22:43:17,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 85 treesize of output 98 [2024-04-04 22:43:18,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:43:18,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 88 [2024-04-04 22:43:18,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:43:18,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 88 [2024-04-04 22:43:19,166 INFO L349 Elim1Store]: treesize reduction 68, result has 60.7 percent of original size [2024-04-04 22:43:19,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 112 treesize of output 172 [2024-04-04 22:43:22,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 22:43:22,436 INFO L349 Elim1Store]: treesize reduction 60, result has 46.4 percent of original size [2024-04-04 22:43:22,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 379 treesize of output 359 Received shutdown request... [2024-04-04 22:43:59,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (80)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,546 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 [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (49)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (35)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,546 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 [2024-04-04 22:43:59,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,547 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (69)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 22:43:59,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Forceful destruction successful, exit code 0 [2024-04-04 22:43:59,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2024-04-04 22:43:59,739 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-8-45-3-6-4-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-56-3-6-4-4-3-2-2-1 context. [2024-04-04 22:43:59,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2024-04-04 22:43:59,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 12 remaining) [2024-04-04 22:43:59,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2024-04-04 22:43:59,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 12 remaining) [2024-04-04 22:43:59,739 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2024-04-04 22:43:59,741 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2024-04-04 22:43:59,741 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 12 remaining) [2024-04-04 22:43:59,742 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2024-04-04 22:43:59,742 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2024-04-04 22:43:59,742 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2024-04-04 22:43:59,742 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 12 remaining) [2024-04-04 22:43:59,742 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2024-04-04 22:43:59,746 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 9 thread instances [2024-04-04 22:43:59,746 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 22:43:59,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 10:43:59 BasicIcfg [2024-04-04 22:43:59,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 22:43:59,759 INFO L158 Benchmark]: Toolchain (without parser) took 850554.34ms. Allocated memory was 157.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 84.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-04 22:43:59,759 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 22:43:59,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.29ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 106.9MB in the end (delta: -22.3MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. [2024-04-04 22:43:59,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.65ms. Allocated memory is still 157.3MB. Free memory was 106.9MB in the beginning and 104.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 22:43:59,759 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 157.3MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 22:43:59,760 INFO L158 Benchmark]: RCFGBuilder took 525.27ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 78.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2024-04-04 22:43:59,760 INFO L158 Benchmark]: TraceAbstraction took 849365.17ms. Allocated memory was 157.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 77.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-04 22:43:59,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 80.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 583.29ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 106.9MB in the end (delta: -22.3MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.65ms. Allocated memory is still 157.3MB. Free memory was 106.9MB in the beginning and 104.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.82ms. Allocated memory is still 157.3MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 525.27ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 78.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 849365.17ms. Allocated memory was 157.3MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 77.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 581, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 226, dependent conditional: 226, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81, independent: 81, independent conditional: 25, independent unconditional: 56, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 81, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 355, independent: 274, independent conditional: 130, independent unconditional: 144, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 81, unknown conditional: 25, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 81, Positive conditional cache size: 25, Positive unconditional cache size: 56, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81, independent: 81, independent conditional: 25, independent unconditional: 56, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 81, independent: 81, independent conditional: 0, independent unconditional: 81, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 355, independent: 274, independent conditional: 130, independent unconditional: 144, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 81, unknown conditional: 25, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 81, Positive conditional cache size: 25, Positive unconditional cache size: 56, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 226 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3074, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 787, dependent conditional: 787, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 359, independent: 359, independent conditional: 89, independent unconditional: 270, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 359, independent: 359, independent conditional: 0, independent unconditional: 359, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2287, independent: 1928, independent conditional: 897, independent unconditional: 1031, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 359, unknown conditional: 89, unknown unconditional: 270] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 359, Positive conditional cache size: 89, Positive unconditional cache size: 270, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 359, independent: 359, independent conditional: 89, independent unconditional: 270, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 359, independent: 359, independent conditional: 0, independent unconditional: 359, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2287, independent: 1928, independent conditional: 897, independent unconditional: 1031, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 359, unknown conditional: 89, unknown unconditional: 270] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 359, Positive conditional cache size: 89, Positive unconditional cache size: 270, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 787 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9582, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 1899, dependent conditional: 1899, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3268, independent unconditional: 4415, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 925, independent: 925, independent conditional: 263, independent unconditional: 662, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 925, independent: 921, independent conditional: 0, independent unconditional: 921, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7683, independent: 6758, independent conditional: 2854, independent unconditional: 3904, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 925, unknown conditional: 263, unknown unconditional: 662] , Statistics on independence cache: Total cache size (in pairs): 925, Positive cache size: 925, Positive conditional cache size: 263, Positive unconditional cache size: 662, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 151, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3268, independent unconditional: 4415, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 925, independent: 925, independent conditional: 263, independent unconditional: 662, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 925, independent: 921, independent conditional: 0, independent unconditional: 921, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7683, independent: 6758, independent conditional: 2854, independent unconditional: 3904, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 925, unknown conditional: 263, unknown unconditional: 662] , Statistics on independence cache: Total cache size (in pairs): 925, Positive cache size: 925, Positive conditional cache size: 263, Positive unconditional cache size: 662, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 151 ], Independence queries for same thread: 1899 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23142, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 3640, dependent conditional: 3640, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 8140, independent unconditional: 11362, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1825, independent: 1821, independent conditional: 540, independent unconditional: 1281, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1825, independent: 1807, independent conditional: 0, independent unconditional: 1807, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, independent: 48, independent conditional: 7, independent unconditional: 41, dependent: 8, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19508, independent: 17681, independent conditional: 7415, independent unconditional: 10266, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1825, unknown conditional: 542, unknown unconditional: 1283] , Statistics on independence cache: Total cache size (in pairs): 1825, Positive cache size: 1821, Positive conditional cache size: 540, Positive unconditional cache size: 1281, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 185, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 8140, independent unconditional: 11362, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1825, independent: 1821, independent conditional: 540, independent unconditional: 1281, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1825, independent: 1807, independent conditional: 0, independent unconditional: 1807, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, independent: 48, independent conditional: 7, independent unconditional: 41, dependent: 8, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19508, independent: 17681, independent conditional: 7415, independent unconditional: 10266, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1825, unknown conditional: 542, unknown unconditional: 1283] , Statistics on independence cache: Total cache size (in pairs): 1825, Positive cache size: 1821, Positive conditional cache size: 540, Positive unconditional cache size: 1281, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 185 ], Independence queries for same thread: 3640 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 67654, independent: 59548, independent conditional: 59548, independent unconditional: 0, dependent: 8106, dependent conditional: 8106, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59578, independent: 59548, independent conditional: 59548, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59578, independent: 59548, independent conditional: 59548, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 59578, independent: 59548, independent conditional: 59548, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59742, independent: 59548, independent conditional: 23408, independent unconditional: 36140, dependent: 194, dependent conditional: 110, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 59742, independent: 59548, independent conditional: 21736, independent unconditional: 37812, dependent: 194, dependent conditional: 66, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 59742, independent: 59548, independent conditional: 21736, independent unconditional: 37812, dependent: 194, dependent conditional: 66, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3421, independent: 3382, independent conditional: 899, independent unconditional: 2483, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3421, independent: 3338, independent conditional: 0, independent unconditional: 3338, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 83, independent: 44, independent conditional: 24, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, independent: 44, independent conditional: 24, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 74, independent conditional: 26, independent unconditional: 48, dependent: 78, dependent conditional: 61, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 59742, independent: 56166, independent conditional: 20837, independent unconditional: 35329, dependent: 155, dependent conditional: 38, dependent unconditional: 117, unknown: 3421, unknown conditional: 927, unknown unconditional: 2494] , Statistics on independence cache: Total cache size (in pairs): 3421, Positive cache size: 3382, Positive conditional cache size: 899, Positive unconditional cache size: 2483, Negative cache size: 39, Negative conditional cache size: 28, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1716, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59742, independent: 59548, independent conditional: 23408, independent unconditional: 36140, dependent: 194, dependent conditional: 110, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 59742, independent: 59548, independent conditional: 21736, independent unconditional: 37812, dependent: 194, dependent conditional: 66, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 59742, independent: 59548, independent conditional: 21736, independent unconditional: 37812, dependent: 194, dependent conditional: 66, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3421, independent: 3382, independent conditional: 899, independent unconditional: 2483, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3421, independent: 3338, independent conditional: 0, independent unconditional: 3338, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 83, independent: 44, independent conditional: 24, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, independent: 44, independent conditional: 24, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 74, independent conditional: 26, independent unconditional: 48, dependent: 78, dependent conditional: 61, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 59742, independent: 56166, independent conditional: 20837, independent unconditional: 35329, dependent: 155, dependent conditional: 38, dependent unconditional: 117, unknown: 3421, unknown conditional: 927, unknown unconditional: 2494] , Statistics on independence cache: Total cache size (in pairs): 3421, Positive cache size: 3382, Positive conditional cache size: 899, Positive unconditional cache size: 2483, Negative cache size: 39, Negative conditional cache size: 28, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1716 ], Independence queries for same thread: 8076 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 134587, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 13987, dependent conditional: 13987, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120650, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120650, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 120650, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 46322, independent unconditional: 74278, dependent: 453, dependent conditional: 307, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5322, independent: 5262, independent conditional: 1467, independent unconditional: 3795, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5322, independent: 5203, independent conditional: 0, independent unconditional: 5203, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 119, independent: 59, independent conditional: 26, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 119, independent: 59, independent conditional: 26, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, independent: 82, independent conditional: 28, independent unconditional: 54, dependent: 122, dependent conditional: 90, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121053, independent: 115338, independent conditional: 42001, independent unconditional: 73337, dependent: 393, dependent conditional: 168, dependent unconditional: 225, unknown: 5322, unknown conditional: 1513, unknown unconditional: 3809] , Statistics on independence cache: Total cache size (in pairs): 5322, Positive cache size: 5262, Positive conditional cache size: 1467, Positive unconditional cache size: 3795, Negative cache size: 60, Negative conditional cache size: 46, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2947, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 46322, independent unconditional: 74278, dependent: 453, dependent conditional: 307, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5322, independent: 5262, independent conditional: 1467, independent unconditional: 3795, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5322, independent: 5203, independent conditional: 0, independent unconditional: 5203, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 119, independent: 59, independent conditional: 26, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 119, independent: 59, independent conditional: 26, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, independent: 82, independent conditional: 28, independent unconditional: 54, dependent: 122, dependent conditional: 90, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121053, independent: 115338, independent conditional: 42001, independent unconditional: 73337, dependent: 393, dependent conditional: 168, dependent unconditional: 225, unknown: 5322, unknown conditional: 1513, unknown unconditional: 3809] , Statistics on independence cache: Total cache size (in pairs): 5322, Positive cache size: 5262, Positive conditional cache size: 1467, Positive unconditional cache size: 3795, Negative cache size: 60, Negative conditional cache size: 46, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2947 ], Independence queries for same thread: 13937 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 259067, independent: 234962, independent conditional: 234962, independent unconditional: 0, dependent: 24105, dependent conditional: 24105, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 235040, independent: 234962, independent conditional: 234962, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 235040, independent: 234962, independent conditional: 234962, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 235040, independent: 234962, independent conditional: 234962, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 236047, independent: 234962, independent conditional: 87352, independent unconditional: 147610, dependent: 1085, dependent conditional: 849, dependent unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 236047, independent: 234962, independent conditional: 79988, independent unconditional: 154974, dependent: 1085, dependent conditional: 620, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 236047, independent: 234962, independent conditional: 79988, independent unconditional: 154974, dependent: 1085, dependent conditional: 620, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7799, independent: 7691, independent conditional: 2318, independent unconditional: 5373, dependent: 108, dependent conditional: 90, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7799, independent: 7580, independent conditional: 0, independent unconditional: 7580, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 219, independent: 111, independent conditional: 52, independent unconditional: 59, dependent: 108, dependent conditional: 90, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 219, independent: 111, independent conditional: 52, independent unconditional: 59, dependent: 108, dependent conditional: 90, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, independent: 152, independent conditional: 40, independent unconditional: 112, dependent: 214, dependent conditional: 191, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 236047, independent: 227271, independent conditional: 77670, independent unconditional: 149601, dependent: 977, dependent conditional: 530, dependent unconditional: 447, unknown: 7799, unknown conditional: 2408, unknown unconditional: 5391] , Statistics on independence cache: Total cache size (in pairs): 7799, Positive cache size: 7691, Positive conditional cache size: 2318, Positive unconditional cache size: 5373, Negative cache size: 108, Negative conditional cache size: 90, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7593, Maximal queried relation: 17, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 236047, independent: 234962, independent conditional: 87352, independent unconditional: 147610, dependent: 1085, dependent conditional: 849, dependent unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 236047, independent: 234962, independent conditional: 79988, independent unconditional: 154974, dependent: 1085, dependent conditional: 620, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 236047, independent: 234962, independent conditional: 79988, independent unconditional: 154974, dependent: 1085, dependent conditional: 620, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7799, independent: 7691, independent conditional: 2318, independent unconditional: 5373, dependent: 108, dependent conditional: 90, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7799, independent: 7580, independent conditional: 0, independent unconditional: 7580, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 219, independent: 111, independent conditional: 52, independent unconditional: 59, dependent: 108, dependent conditional: 90, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 219, independent: 111, independent conditional: 52, independent unconditional: 59, dependent: 108, dependent conditional: 90, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 367, independent: 152, independent conditional: 40, independent unconditional: 112, dependent: 214, dependent conditional: 191, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 236047, independent: 227271, independent conditional: 77670, independent unconditional: 149601, dependent: 977, dependent conditional: 530, dependent unconditional: 447, unknown: 7799, unknown conditional: 2408, unknown unconditional: 5391] , Statistics on independence cache: Total cache size (in pairs): 7799, Positive cache size: 7691, Positive conditional cache size: 2318, Positive unconditional cache size: 5373, Negative cache size: 108, Negative conditional cache size: 90, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7593 ], Independence queries for same thread: 24027 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 331983, independent: 303676, independent conditional: 303676, independent unconditional: 0, dependent: 28307, dependent conditional: 28307, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 303796, independent: 303676, independent conditional: 303676, independent unconditional: 0, dependent: 120, dependent conditional: 120, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 303796, independent: 303676, independent conditional: 303676, independent unconditional: 0, dependent: 120, dependent conditional: 120, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 303796, independent: 303676, independent conditional: 303676, independent unconditional: 0, dependent: 120, dependent conditional: 120, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304347, independent: 303676, independent conditional: 119350, independent unconditional: 184326, dependent: 671, dependent conditional: 369, dependent unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 304347, independent: 303676, independent conditional: 117618, independent unconditional: 186058, dependent: 671, dependent conditional: 311, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 304347, independent: 303676, independent conditional: 117618, independent unconditional: 186058, dependent: 671, dependent conditional: 311, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10293, independent: 10044, independent conditional: 2773, independent unconditional: 7271, dependent: 249, dependent conditional: 194, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10293, independent: 9817, independent conditional: 0, independent unconditional: 9817, dependent: 476, dependent conditional: 0, dependent unconditional: 476, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 476, independent: 227, independent conditional: 116, independent unconditional: 111, dependent: 249, dependent conditional: 194, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 476, independent: 227, independent conditional: 116, independent unconditional: 111, dependent: 249, dependent conditional: 194, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 606, independent: 196, independent conditional: 74, independent unconditional: 123, dependent: 409, dependent conditional: 336, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 304347, independent: 293632, independent conditional: 114845, independent unconditional: 178787, dependent: 422, dependent conditional: 117, dependent unconditional: 305, unknown: 10293, unknown conditional: 2967, unknown unconditional: 7326] , Statistics on independence cache: Total cache size (in pairs): 10293, Positive cache size: 10044, Positive conditional cache size: 2773, Positive unconditional cache size: 7271, Negative cache size: 249, Negative conditional cache size: 194, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1790, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 304347, independent: 303676, independent conditional: 119350, independent unconditional: 184326, dependent: 671, dependent conditional: 369, dependent unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 304347, independent: 303676, independent conditional: 117618, independent unconditional: 186058, dependent: 671, dependent conditional: 311, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 304347, independent: 303676, independent conditional: 117618, independent unconditional: 186058, dependent: 671, dependent conditional: 311, dependent unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10293, independent: 10044, independent conditional: 2773, independent unconditional: 7271, dependent: 249, dependent conditional: 194, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10293, independent: 9817, independent conditional: 0, independent unconditional: 9817, dependent: 476, dependent conditional: 0, dependent unconditional: 476, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 476, independent: 227, independent conditional: 116, independent unconditional: 111, dependent: 249, dependent conditional: 194, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 476, independent: 227, independent conditional: 116, independent unconditional: 111, dependent: 249, dependent conditional: 194, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 606, independent: 196, independent conditional: 74, independent unconditional: 123, dependent: 409, dependent conditional: 336, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 304347, independent: 293632, independent conditional: 114845, independent unconditional: 178787, dependent: 422, dependent conditional: 117, dependent unconditional: 305, unknown: 10293, unknown conditional: 2967, unknown unconditional: 7326] , Statistics on independence cache: Total cache size (in pairs): 10293, Positive cache size: 10044, Positive conditional cache size: 2773, Positive unconditional cache size: 7271, Negative cache size: 249, Negative conditional cache size: 194, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1790 ], Independence queries for same thread: 28187 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 246598, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 20587, dependent conditional: 20587, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226074, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226074, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 226074, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 63, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10331, independent: 10310, independent conditional: 3057, independent unconditional: 7253, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10331, independent: 10222, independent conditional: 0, independent unconditional: 10222, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 52, independent conditional: 3, independent unconditional: 49, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 226200, independent: 215701, independent conditional: 86631, independent unconditional: 129070, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 10331, unknown conditional: 3057, unknown unconditional: 7274] , Statistics on independence cache: Total cache size (in pairs): 10331, Positive cache size: 10310, Positive conditional cache size: 3057, Positive unconditional cache size: 7253, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 63, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10331, independent: 10310, independent conditional: 3057, independent unconditional: 7253, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10331, independent: 10222, independent conditional: 0, independent unconditional: 10222, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 52, independent conditional: 3, independent unconditional: 49, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 226200, independent: 215701, independent conditional: 86631, independent unconditional: 129070, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 10331, unknown conditional: 3057, unknown unconditional: 7274] , Statistics on independence cache: Total cache size (in pairs): 10331, Positive cache size: 10310, Positive conditional cache size: 3057, Positive unconditional cache size: 7253, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63 ], Independence queries for same thread: 20524 - TimeoutResultAtElement [Line: 954]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-8-45-3-6-4-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-56-3-6-4-4-3-2-2-1 context. - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-8-45-3-6-4-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-56-3-6-4-4-3-2-2-1 context. - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-8-45-3-6-4-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-56-3-6-4-4-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 240 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 63, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 985 SizeOfPredicates, 22 NumberOfNonLiveVariables, 482 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 50/443 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 303 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.1s, 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: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 948 NumberOfCodeBlocks, 923 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1193 ConstructedInterpolants, 0 QuantifiedInterpolants, 2660 SizeOfPredicates, 35 NumberOfNonLiveVariables, 839 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 474/1097 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 366 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.7s, 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: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1755 NumberOfCodeBlocks, 1711 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2354 ConstructedInterpolants, 0 QuantifiedInterpolants, 7058 SizeOfPredicates, 57 NumberOfNonLiveVariables, 1646 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 2435/3108 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 - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 429 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.2s, 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: 122, 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 2217 NumberOfCodeBlocks, 2150 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2986 ConstructedInterpolants, 83 QuantifiedInterpolants, 13195 SizeOfPredicates, 59 NumberOfNonLiveVariables, 2064 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 3084/3787 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 - StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances CFG has 7 procedures, 492 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.3s, 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: 187, 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: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 4384 NumberOfCodeBlocks, 4322 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 6033 ConstructedInterpolants, 83 QuantifiedInterpolants, 29856 SizeOfPredicates, 95 NumberOfNonLiveVariables, 4249 ConjunctsInSsa, 208 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 7290/8268 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 - StatisticsResult: Ultimate Automizer benchmark data with 6 thread instances CFG has 8 procedures, 555 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 46.0s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 8.0s, 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: 277, 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: 0.5s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 28.3s InterpolantComputationTime, 6998 NumberOfCodeBlocks, 6941 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 9988 ConstructedInterpolants, 100 QuantifiedInterpolants, 50101 SizeOfPredicates, 166 NumberOfNonLiveVariables, 7480 ConjunctsInSsa, 379 ConjunctsInUnsatCore, 40 InterpolantComputations, 1 PerfectInterpolantSequences, 13103/14704 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 - StatisticsResult: Ultimate Automizer benchmark data with 7 thread instances CFG has 9 procedures, 618 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 140.3s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 20.7s, 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: 446, 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, 4.7s SatisfiabilityAnalysisTime, 98.5s InterpolantComputationTime, 11549 NumberOfCodeBlocks, 11497 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 16556 ConstructedInterpolants, 402 QuantifiedInterpolants, 98448 SizeOfPredicates, 274 NumberOfNonLiveVariables, 12139 ConjunctsInSsa, 622 ConjunctsInUnsatCore, 59 InterpolantComputations, 2 PerfectInterpolantSequences, 24023/26908 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 - StatisticsResult: Ultimate Automizer benchmark data with 8 thread instances CFG has 10 procedures, 681 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 546.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 488.2s, 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: 326, 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: 0.5s SsaConstructionTime, 9.0s SatisfiabilityAnalysisTime, 37.6s InterpolantComputationTime, 8186 NumberOfCodeBlocks, 8139 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 11430 ConstructedInterpolants, 286 QuantifiedInterpolants, 77305 SizeOfPredicates, 129 NumberOfNonLiveVariables, 8195 ConjunctsInSsa, 307 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 14565/16353 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 - StatisticsResult: Ultimate Automizer benchmark data with 9 thread instances CFG has 11 procedures, 744 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 71.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.2s, 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: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 2264 NumberOfCodeBlocks, 2264 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 3161 ConstructedInterpolants, 0 QuantifiedInterpolants, 3295 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2144 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 3463/3520 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown