/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 07:21:25,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 07:21:25,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 07:21:26,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 07:21:26,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 07:21:26,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 07:21:26,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 07:21:26,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 07:21:26,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 07:21:26,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 07:21:26,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 07:21:26,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 07:21:26,026 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 07:21:26,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 07:21:26,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 07:21:26,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 07:21:26,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 07:21:26,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 07:21:26,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 07:21:26,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 07:21:26,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 07:21:26,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 07:21:26,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 07:21:26,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 07:21:26,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 07:21:26,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 07:21:26,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 07:21:26,030 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 07:21:26,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 07:21:26,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 07:21:26,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 07:21:26,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 07:21:26,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 07:21:26,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 07:21:26,032 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 07:21:26,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 07:21:26,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 07:21:26,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 07:21:26,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 07:21:26,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-05-06 07:21:26,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 07:21:26,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 07:21:26,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 07:21:26,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 07:21:26,272 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 07:21:26,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-05-06 07:21:27,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 07:21:27,526 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 07:21:27,526 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-05-06 07:21:27,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0eeb162c1/85f4980559034e13aebdd3ce7453315a/FLAG0342be695 [2024-05-06 07:21:27,546 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0eeb162c1/85f4980559034e13aebdd3ce7453315a [2024-05-06 07:21:27,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 07:21:27,550 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 07:21:27,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 07:21:27,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 07:21:27,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 07:21:27,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154c296e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27, skipping insertion in model container [2024-05-06 07:21:27,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,580 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 07:21:27,714 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c[2755,2768] [2024-05-06 07:21:27,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 07:21:27,727 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 07:21:27,741 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c[2755,2768] [2024-05-06 07:21:27,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 07:21:27,755 INFO L206 MainTranslator]: Completed translation [2024-05-06 07:21:27,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27 WrapperNode [2024-05-06 07:21:27,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 07:21:27,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 07:21:27,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 07:21:27,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 07:21:27,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,800 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 287 [2024-05-06 07:21:27,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 07:21:27,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 07:21:27,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 07:21:27,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 07:21:27,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,850 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 07:21:27,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 07:21:27,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 07:21:27,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 07:21:27,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (1/1) ... [2024-05-06 07:21:27,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 07:21:27,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:27,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 07:21:27,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 07:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 07:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 07:21:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 07:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 07:21:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 07:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 07:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 07:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 07:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 07:21:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 07:21:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 07:21:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 07:21:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 07:21:27,953 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 07:21:28,025 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 07:21:28,026 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 07:21:28,393 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 07:21:28,409 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 07:21:28,409 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-06 07:21:28,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 07:21:28 BoogieIcfgContainer [2024-05-06 07:21:28,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 07:21:28,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 07:21:28,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 07:21:28,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 07:21:28,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 07:21:27" (1/3) ... [2024-05-06 07:21:28,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf9046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 07:21:28, skipping insertion in model container [2024-05-06 07:21:28,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:21:27" (2/3) ... [2024-05-06 07:21:28,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf9046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 07:21:28, skipping insertion in model container [2024-05-06 07:21:28,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 07:21:28" (3/3) ... [2024-05-06 07:21:28,415 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-05-06 07:21:28,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 07:21:28,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 07:21:28,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 07:21:28,430 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 07:21:28,552 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 07:21:28,595 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 07:21:28,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 07:21:28,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:28,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 07:21:28,623 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 07:21:28,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 07:21:28,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:28,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 07:21:28,641 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;@59dd88de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 07:21:28,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 07:21:29,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:29,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1685970565, now seen corresponding path program 1 times [2024-05-06 07:21:29,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:29,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95888051] [2024-05-06 07:21:29,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:21:29,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:29,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95888051] [2024-05-06 07:21:29,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95888051] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 07:21:29,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 07:21:29,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 07:21:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687326362] [2024-05-06 07:21:29,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:21:29,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 07:21:29,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:30,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 07:21:30,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 07:21:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:30,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:30,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.5) internal successors, (237), 2 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) [2024-05-06 07:21:30,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:30,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:30,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 07:21:30,630 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:30,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:30,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1863192959, now seen corresponding path program 1 times [2024-05-06 07:21:30,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:30,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989326154] [2024-05-06 07:21:30,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:30,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:31,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:31,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989326154] [2024-05-06 07:21:31,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989326154] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 07:21:31,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 07:21:31,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-06 07:21:31,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652832552] [2024-05-06 07:21:31,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:21:31,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-06 07:21:31,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:31,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-06 07:21:31,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-06 07:21:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:31,277 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:31,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.0) internal successors, (225), 9 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:31,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:31,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 07:21:31,929 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:31,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:31,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1156448313, now seen corresponding path program 1 times [2024-05-06 07:21:31,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:31,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328595596] [2024-05-06 07:21:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:32,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:32,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328595596] [2024-05-06 07:21:32,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328595596] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:32,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516028431] [2024-05-06 07:21:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:32,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:32,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:32,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:32,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 07:21:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:32,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 07:21:32,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:33,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:21:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:33,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516028431] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:33,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-06 07:21:33,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2024-05-06 07:21:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914271437] [2024-05-06 07:21:33,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:21:33,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-06 07:21:33,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:33,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-06 07:21:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-05-06 07:21:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:33,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:33,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:33,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:33,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:33,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:33,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 07:21:33,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-06 07:21:33,645 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:33,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:33,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1315049597, now seen corresponding path program 1 times [2024-05-06 07:21:33,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:33,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636267788] [2024-05-06 07:21:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:33,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:34,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:34,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636267788] [2024-05-06 07:21:34,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636267788] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:34,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675632693] [2024-05-06 07:21:34,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:34,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:34,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:34,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:34,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 07:21:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:34,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-06 07:21:34,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:34,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:21:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:34,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675632693] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:21:34,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:21:34,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2024-05-06 07:21:34,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94754262] [2024-05-06 07:21:34,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:21:34,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-06 07:21:34,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:34,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-06 07:21:34,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2024-05-06 07:21:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:34,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:34,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.571428571428573) internal successors, (520), 28 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:35,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:35,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 07:21:35,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:35,525 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:35,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:35,526 INFO L85 PathProgramCache]: Analyzing trace with hash -963921609, now seen corresponding path program 2 times [2024-05-06 07:21:35,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:35,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189149690] [2024-05-06 07:21:35,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:35,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:35,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189149690] [2024-05-06 07:21:35,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189149690] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546971026] [2024-05-06 07:21:35,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 07:21:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:36,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:36,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 07:21:36,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 07:21:36,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:21:36,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-06 07:21:36,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:36,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:21:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:37,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546971026] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:21:37,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:21:37,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2024-05-06 07:21:37,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376334555] [2024-05-06 07:21:37,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:21:37,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-06 07:21:37,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:37,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-06 07:21:37,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2024-05-06 07:21:37,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:37,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:37,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 20.857142857142858) internal successors, (584), 28 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:37,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:37,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:37,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:38,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 07:21:38,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:38,516 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:38,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:38,516 INFO L85 PathProgramCache]: Analyzing trace with hash -250632837, now seen corresponding path program 3 times [2024-05-06 07:21:38,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:38,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738164329] [2024-05-06 07:21:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:38,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 229 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:39,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:39,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738164329] [2024-05-06 07:21:39,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738164329] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:39,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546937102] [2024-05-06 07:21:39,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 07:21:39,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:39,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:39,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:39,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 07:21:39,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-06 07:21:39,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:21:39,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-06 07:21:39,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 174 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:40,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:21:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 229 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:40,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546937102] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:21:40,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:21:40,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 38 [2024-05-06 07:21:40,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311970638] [2024-05-06 07:21:40,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:21:40,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-06 07:21:40,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:40,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-06 07:21:40,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1167, Unknown=0, NotChecked=0, Total=1406 [2024-05-06 07:21:40,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:40,543 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:40,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 20.210526315789473) internal successors, (768), 38 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:40,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:40,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:40,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:40,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:40,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:40,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:41,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:41,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:21:41,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 07:21:41,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-06 07:21:41,584 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:41,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:41,587 INFO L85 PathProgramCache]: Analyzing trace with hash 809306165, now seen corresponding path program 4 times [2024-05-06 07:21:41,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:41,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368528966] [2024-05-06 07:21:41,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:41,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 112 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-05-06 07:21:42,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:42,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368528966] [2024-05-06 07:21:42,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368528966] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:42,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282099604] [2024-05-06 07:21:42,184 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 07:21:42,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:42,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:42,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:42,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 07:21:42,334 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 07:21:42,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:21:42,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-06 07:21:42,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 13 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:43,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:21:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 30 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282099604] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:21:43,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:21:43,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17, 17] total 37 [2024-05-06 07:21:43,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409143189] [2024-05-06 07:21:43,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:21:43,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-06 07:21:43,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:43,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-06 07:21:43,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1141, Unknown=0, NotChecked=0, Total=1332 [2024-05-06 07:21:43,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:43,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:43,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 26.43243243243243) internal successors, (978), 37 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:43,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:43,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:43,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:43,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:43,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:43,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:21:43,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:21:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:21:46,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 07:21:47,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:47,069 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:47,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:47,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1171285431, now seen corresponding path program 5 times [2024-05-06 07:21:47,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:47,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939617253] [2024-05-06 07:21:47,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:47,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 511 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:47,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939617253] [2024-05-06 07:21:47,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939617253] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:47,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887630468] [2024-05-06 07:21:47,974 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 07:21:47,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:47,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:47,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:48,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 07:21:48,195 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-05-06 07:21:48,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:21:48,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-06 07:21:48,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 289 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:49,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:21:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 511 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:49,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887630468] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:21:49,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:21:49,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 48 [2024-05-06 07:21:49,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50016483] [2024-05-06 07:21:49,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:21:49,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-06 07:21:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:49,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-06 07:21:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1895, Unknown=0, NotChecked=0, Total=2256 [2024-05-06 07:21:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:49,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:49,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 21.791666666666668) internal successors, (1046), 48 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:21:49,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:21:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:21:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:21:51,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 07:21:51,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-06 07:21:51,662 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:51,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:51,662 INFO L85 PathProgramCache]: Analyzing trace with hash 716931697, now seen corresponding path program 6 times [2024-05-06 07:21:51,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:51,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738920735] [2024-05-06 07:21:51,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 183 proven. 379 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:21:52,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:52,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738920735] [2024-05-06 07:21:52,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738920735] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:52,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578122067] [2024-05-06 07:21:52,410 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 07:21:52,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:52,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:52,412 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:52,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-06 07:21:52,640 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-05-06 07:21:52,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:21:52,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-06 07:21:52,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 198 proven. 364 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:21:53,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:21:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 55 proven. 508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:54,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578122067] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:21:54,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:21:54,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 24] total 51 [2024-05-06 07:21:54,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280604658] [2024-05-06 07:21:54,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:21:54,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-06 07:21:54,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:21:54,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-06 07:21:54,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2024-05-06 07:21:54,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:54,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:21:54,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 21.19607843137255) internal successors, (1081), 51 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:21:54,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:21:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:21:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:21:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:21:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:21:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:21:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:21:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:21:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:21:56,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-06 07:21:56,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:56,744 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:21:56,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:21:56,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1459824309, now seen corresponding path program 7 times [2024-05-06 07:21:56,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:21:56,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862145887] [2024-05-06 07:21:56,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:21:56,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:21:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:57,783 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 905 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:57,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:21:57,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862145887] [2024-05-06 07:21:57,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862145887] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:21:57,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340284227] [2024-05-06 07:21:57,786 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-06 07:21:57,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:21:57,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:21:57,799 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:21:57,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 07:21:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:21:58,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-06 07:21:58,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:21:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 573 proven. 384 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:21:59,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:22:00,191 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 905 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:22:00,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340284227] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:22:00,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:22:00,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-05-06 07:22:00,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992141962] [2024-05-06 07:22:00,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:22:00,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-06 07:22:00,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:22:00,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-06 07:22:00,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=2797, Unknown=0, NotChecked=0, Total=3306 [2024-05-06 07:22:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:00,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:22:00,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 22.310344827586206) internal successors, (1294), 58 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:22:00,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:00,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:00,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:01,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-06 07:22:01,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-06 07:22:01,751 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:22:01,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:22:01,752 INFO L85 PathProgramCache]: Analyzing trace with hash 2053504367, now seen corresponding path program 8 times [2024-05-06 07:22:01,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:22:01,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722943176] [2024-05-06 07:22:01,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:22:01,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:22:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:22:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 258 proven. 731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:22:02,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:22:02,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722943176] [2024-05-06 07:22:02,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722943176] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:22:02,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911784868] [2024-05-06 07:22:02,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 07:22:02,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:22:02,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:22:02,845 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:22:02,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-06 07:22:03,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 07:22:03,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:22:03,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-06 07:22:03,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:22:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 280 proven. 709 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:22:04,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:22:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 313 proven. 676 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:22:05,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911784868] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:22:05,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:22:05,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-05-06 07:22:05,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717999548] [2024-05-06 07:22:05,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:22:05,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-06 07:22:05,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:22:05,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-06 07:22:05,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=2846, Unknown=0, NotChecked=0, Total=3306 [2024-05-06 07:22:05,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:05,173 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:22:05,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 21.93103448275862) internal successors, (1272), 58 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:22:05,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:05,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:07,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:07,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-06 07:22:07,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-06 07:22:07,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-06 07:22:07,358 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:22:07,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:22:07,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1600224691, now seen corresponding path program 9 times [2024-05-06 07:22:07,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:22:07,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346256021] [2024-05-06 07:22:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:22:07,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:22:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:22:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 1411 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:22:08,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:22:08,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346256021] [2024-05-06 07:22:08,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346256021] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:22:08,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318052778] [2024-05-06 07:22:08,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 07:22:08,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:22:08,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:22:08,585 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:22:08,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-06 07:22:08,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-06 07:22:08,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:22:08,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 61 conjunts are in the unsatisfiable core [2024-05-06 07:22:08,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:22:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 281 proven. 1215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:22:10,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:22:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:22:12,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318052778] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:22:12,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:22:12,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30, 33] total 88 [2024-05-06 07:22:12,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560014426] [2024-05-06 07:22:12,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:22:12,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-05-06 07:22:12,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:22:12,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-05-06 07:22:12,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=869, Invalid=6787, Unknown=0, NotChecked=0, Total=7656 [2024-05-06 07:22:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:12,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:22:12,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 25.420454545454547) internal successors, (2237), 88 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-06 07:22:12,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-06 07:22:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 07:22:15,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-06 07:22:15,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:22:15,253 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:22:15,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:22:15,254 INFO L85 PathProgramCache]: Analyzing trace with hash -39662251, now seen corresponding path program 10 times [2024-05-06 07:22:15,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:22:15,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831958708] [2024-05-06 07:22:15,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:22:15,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:22:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:22:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 525 proven. 1255 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:22:16,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:22:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831958708] [2024-05-06 07:22:16,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831958708] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:22:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710566750] [2024-05-06 07:22:16,812 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 07:22:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:22:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:22:16,813 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:22:16,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-06 07:22:17,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 07:22:17,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:22:17,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-06 07:22:17,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:22:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 582 proven. 1198 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:22:19,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:22:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 655 proven. 1125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:22:20,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710566750] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:22:20,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:22:20,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 101 [2024-05-06 07:22:20,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377051028] [2024-05-06 07:22:20,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:22:20,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-06 07:22:20,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:22:20,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-06 07:22:20,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1422, Invalid=8678, Unknown=0, NotChecked=0, Total=10100 [2024-05-06 07:22:20,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:20,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:22:20,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 20.742574257425744) internal successors, (2095), 101 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:22:20,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-06 07:22:20,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-06 07:22:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 07:22:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-06 07:22:23,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-06 07:22:23,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-06 07:22:23,533 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:22:23,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:22:23,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2002320041, now seen corresponding path program 11 times [2024-05-06 07:22:23,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:22:23,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007235419] [2024-05-06 07:22:23,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:22:23,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:22:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:22:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 5359 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:22:27,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:22:27,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007235419] [2024-05-06 07:22:27,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007235419] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:22:27,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166468901] [2024-05-06 07:22:27,339 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 07:22:27,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:22:27,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:22:27,341 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:22:27,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-06 07:22:27,771 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-05-06 07:22:27,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:22:27,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-06 07:22:27,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:22:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 561 proven. 5060 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-06 07:22:30,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:22:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 561 proven. 10 refuted. 0 times theorem prover too weak. 5420 trivial. 0 not checked. [2024-05-06 07:22:32,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166468901] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:22:32,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:22:32,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 46, 9] total 100 [2024-05-06 07:22:32,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154312166] [2024-05-06 07:22:32,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:22:32,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-05-06 07:22:32,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:22:32,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-05-06 07:22:32,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1229, Invalid=8671, Unknown=0, NotChecked=0, Total=9900 [2024-05-06 07:22:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:32,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:22:32,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 27.63) internal successors, (2763), 100 states have internal predecessors, (2763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:32,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:32,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-06 07:22:32,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-06 07:22:32,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-06 07:22:32,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:22:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:22:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-06 07:22:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2024-05-06 07:22:53,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-06 07:22:53,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-06 07:22:53,746 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:22:53,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:22:53,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1049486981, now seen corresponding path program 12 times [2024-05-06 07:22:53,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:22:53,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209348396] [2024-05-06 07:22:53,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:22:53,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:22:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:24:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6633 backedges. 0 proven. 6633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 07:24:44,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:24:44,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209348396] [2024-05-06 07:24:44,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209348396] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:24:44,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876136404] [2024-05-06 07:24:44,131 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 07:24:44,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:24:44,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:24:44,132 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:24:44,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-06 07:24:44,914 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-05-06 07:24:44,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:24:44,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 2350 conjuncts, 540 conjunts are in the unsatisfiable core [2024-05-06 07:24:44,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:24:49,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-06 07:24:52,385 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 8 treesize of output 1 [2024-05-06 07:24:52,732 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 8 treesize of output 1 [2024-05-06 07:26:26,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 07:26:26,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 35 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 155 treesize of output 751 [2024-05-06 07:31:39,157 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:39,332 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:39,500 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:39,662 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:39,810 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:39,952 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:40,206 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:40,432 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:40,570 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:40,768 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:40,905 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:41,055 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:41,199 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:41,345 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:41,528 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:41,692 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-06 07:31:41,826 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:41,959 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:42,059 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:42,134 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:42,326 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:42,497 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:42,675 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:42,902 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:43,076 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-06 07:31:43,253 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:43,448 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:43,668 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:43,826 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:43,995 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:44,138 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:44,369 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:44,526 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:44,695 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:44,782 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:44,942 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:45,116 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:45,295 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:45,424 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:45,677 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:45,834 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:45,938 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:46,019 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:46,149 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:46,292 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:46,415 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:46,490 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:46,602 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:46,679 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:46,845 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:47,069 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:47,224 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:47,439 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:47,557 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:47,714 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:47,862 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-06 07:31:48,028 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:48,239 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-06 07:31:48,440 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:48,685 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:48,817 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:48,939 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:49,248 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:49,412 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:49,564 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:49,687 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:49,847 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:49,974 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:50,216 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:50,357 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:50,517 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:50,691 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:50,790 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:50,937 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:51,080 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:51,311 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:51,489 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:52,098 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:52,362 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:52,777 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:53,194 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:53,535 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:54,117 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-05-06 07:31:54,659 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:55,052 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:55,342 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:55,573 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:56,015 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:56,270 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:56,649 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-06 07:31:57,037 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:57,263 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:57,519 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:57,843 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:58,113 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-06 07:31:58,438 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-06 07:31:58,661 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-06 07:31:58,860 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-05-06 07:31:58,861 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-05-06 07:31:58,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-05-06 07:31:58,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-06 07:31:59,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-06 07:31:59,070 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 68 more [2024-05-06 07:31:59,086 INFO L158 Benchmark]: Toolchain (without parser) took 631535.41ms. Allocated memory was 305.1MB in the beginning and 3.8GB in the end (delta: 3.5GB). Free memory was 239.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2024-05-06 07:31:59,086 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory was 153.7MB in the beginning and 153.6MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 07:31:59,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.03ms. Allocated memory is still 305.1MB. Free memory was 238.8MB in the beginning and 226.5MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 07:31:59,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.25ms. Allocated memory is still 305.1MB. Free memory was 226.5MB in the beginning and 223.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-06 07:31:59,086 INFO L158 Benchmark]: Boogie Preprocessor took 52.89ms. Allocated memory is still 305.1MB. Free memory was 223.7MB in the beginning and 276.5MB in the end (delta: -52.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2024-05-06 07:31:59,086 INFO L158 Benchmark]: RCFGBuilder took 556.34ms. Allocated memory is still 305.1MB. Free memory was 276.5MB in the beginning and 249.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-05-06 07:31:59,087 INFO L158 Benchmark]: TraceAbstraction took 630673.39ms. Allocated memory was 305.1MB in the beginning and 3.8GB in the end (delta: 3.5GB). Free memory was 247.5MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2024-05-06 07:31:59,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory was 153.7MB in the beginning and 153.6MB in the end (delta: 70.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 204.03ms. Allocated memory is still 305.1MB. Free memory was 238.8MB in the beginning and 226.5MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.25ms. Allocated memory is still 305.1MB. Free memory was 226.5MB in the beginning and 223.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.89ms. Allocated memory is still 305.1MB. Free memory was 223.7MB in the beginning and 276.5MB in the end (delta: -52.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 556.34ms. Allocated memory is still 305.1MB. Free memory was 276.5MB in the beginning and 249.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 630673.39ms. Allocated memory was 305.1MB in the beginning and 3.8GB in the end (delta: 3.5GB). Free memory was 247.5MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-05-06 07:31:59,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...