/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 02:12:17,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 02:12:17,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 02:12:17,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 02:12:17,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 02:12:17,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 02:12:17,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 02:12:17,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 02:12:17,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 02:12:17,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 02:12:17,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 02:12:17,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 02:12:17,181 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 02:12:17,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 02:12:17,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 02:12:17,182 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 02:12:17,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 02:12:17,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 02:12:17,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 02:12:17,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 02:12:17,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 02:12:17,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 02:12:17,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 02:12:17,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 02:12:17,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 02:12:17,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 02:12:17,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 02:12:17,186 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 02:12:17,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 02:12:17,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 02:12:17,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 02:12:17,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 02:12:17,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 02:12:17,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 02:12:17,189 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 02:12:17,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 02:12:17,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 02:12:17,189 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 02:12:17,190 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 02:12:17,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-06 02:12:17,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 02:12:17,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 02:12:17,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 02:12:17,484 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 02:12:17,484 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 02:12:17,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-05-06 02:12:18,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 02:12:18,974 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 02:12:18,974 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-05-06 02:12:18,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5eb5540ad/88deba0b43694c8e90725f5e54432bbb/FLAG6adc88488 [2024-05-06 02:12:19,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5eb5540ad/88deba0b43694c8e90725f5e54432bbb [2024-05-06 02:12:19,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 02:12:19,010 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 02:12:19,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 02:12:19,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 02:12:19,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 02:12:19,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5382472c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19, skipping insertion in model container [2024-05-06 02:12:19,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 02:12:19,213 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-05-06 02:12:19,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 02:12:19,525 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 02:12:19,536 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-05-06 02:12:19,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 02:12:19,612 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 02:12:19,620 INFO L206 MainTranslator]: Completed translation [2024-05-06 02:12:19,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19 WrapperNode [2024-05-06 02:12:19,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 02:12:19,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 02:12:19,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 02:12:19,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 02:12:19,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,687 INFO L138 Inliner]: procedures = 272, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-05-06 02:12:19,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 02:12:19,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 02:12:19,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 02:12:19,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 02:12:19,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 02:12:19,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 02:12:19,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 02:12:19,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 02:12:19,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (1/1) ... [2024-05-06 02:12:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 02:12:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 02:12:19,781 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 02:12:19,805 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 02:12:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2024-05-06 02:12:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 02:12:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-05-06 02:12:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-05-06 02:12:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 02:12:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-06 02:12:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 02:12:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-06 02:12:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 02:12:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-05-06 02:12:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-05-06 02:12:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-05-06 02:12:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-05-06 02:12:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 02:12:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 02:12:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 02:12:19,841 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 02:12:20,166 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 02:12:20,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 02:12:20,444 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 02:12:20,484 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 02:12:20,484 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-06 02:12:20,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 02:12:20 BoogieIcfgContainer [2024-05-06 02:12:20,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 02:12:20,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 02:12:20,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 02:12:20,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 02:12:20,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 02:12:19" (1/3) ... [2024-05-06 02:12:20,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301f3b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 02:12:20, skipping insertion in model container [2024-05-06 02:12:20,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 02:12:19" (2/3) ... [2024-05-06 02:12:20,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301f3b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 02:12:20, skipping insertion in model container [2024-05-06 02:12:20,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 02:12:20" (3/3) ... [2024-05-06 02:12:20,494 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-05-06 02:12:20,502 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 02:12:20,510 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 02:12:20,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-06 02:12:20,511 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 02:12:20,570 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-06 02:12:20,625 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 02:12:20,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 02:12:20,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 02:12:20,632 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 02:12:20,650 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 02:12:20,678 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 02:12:20,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:12:20,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 02:12:20,698 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;@5d6a5fef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 02:12:20,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-06 02:12:20,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-06 02:12:20,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:12:20,859 INFO L85 PathProgramCache]: Analyzing trace with hash 750334300, now seen corresponding path program 1 times [2024-05-06 02:12:20,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:12:20,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756961901] [2024-05-06 02:12:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:20,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:12:21,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:12:21,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756961901] [2024-05-06 02:12:21,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756961901] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:12:21,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 02:12:21,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 02:12:21,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209993540] [2024-05-06 02:12:21,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:12:21,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 02:12:21,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:12:21,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 02:12:21,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-06 02:12:21,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:12:21,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:12:21,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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 02:12:21,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:12:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 02:12:22,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 02:12:22,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-06 02:12:22,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:12:22,115 INFO L85 PathProgramCache]: Analyzing trace with hash -953875340, now seen corresponding path program 1 times [2024-05-06 02:12:22,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:12:22,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694372085] [2024-05-06 02:12:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:22,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 02:12:22,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:12:22,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694372085] [2024-05-06 02:12:22,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694372085] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:12:22,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 02:12:22,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-05-06 02:12:22,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134163562] [2024-05-06 02:12:22,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:12:22,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-06 02:12:22,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:12:22,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-06 02:12:22,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-05-06 02:12:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:12:22,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:12:22,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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 02:12:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 02:12:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:12:23,811 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-06 02:12:23,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-05-06 02:12:23,966 INFO L85 PathProgramCache]: Analyzing trace with hash -2118539344, now seen corresponding path program 1 times [2024-05-06 02:12:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:23,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-05-06 02:12:25,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:25,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-05-06 02:12:25,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 02:12:25,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-06 02:12:26,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-05-06 02:12:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash -635422054, now seen corresponding path program 2 times [2024-05-06 02:12:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-05-06 02:12:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-05-06 02:12:27,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 02:12:27,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-06 02:12:33,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 02:12:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 02:12:33,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable5 [2024-05-06 02:12:33,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-06 02:12:33,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:12:33,265 INFO L85 PathProgramCache]: Analyzing trace with hash 335842928, now seen corresponding path program 1 times [2024-05-06 02:12:33,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:12:33,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744073647] [2024-05-06 02:12:33,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:33,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 473 proven. 37 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2024-05-06 02:12:34,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:12:34,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744073647] [2024-05-06 02:12:34,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744073647] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 02:12:34,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867815335] [2024-05-06 02:12:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:34,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 02:12:34,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 02:12:34,427 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 02:12:34,448 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 02:12:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:34,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-06 02:12:34,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 02:12:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 473 proven. 37 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2024-05-06 02:12:34,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 02:12:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 473 proven. 37 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2024-05-06 02:12:35,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867815335] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 02:12:35,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 02:12:35,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 14 [2024-05-06 02:12:35,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837995626] [2024-05-06 02:12:35,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 02:12:35,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-06 02:12:35,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:12:35,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-06 02:12:35,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-05-06 02:12:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:12:35,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:12:35,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.928571428571429) internal successors, (195), 14 states have internal predecessors, (195), 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 02:12:35,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 02:12:35,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 02:12:35,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:12:47,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-05-06 02:12:47,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1884128420, now seen corresponding path program 3 times [2024-05-06 02:12:47,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-05-06 02:12:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:12:48,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:12:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:12:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-05-06 02:12:49,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 02:12:49,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-05-06 02:15:26,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 02:15:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-06 02:15:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 02:15:26,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-06 02:15:26,464 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,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-05-06 02:15:26,465 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-06 02:15:26,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:15:26,466 INFO L85 PathProgramCache]: Analyzing trace with hash -364598648, now seen corresponding path program 1 times [2024-05-06 02:15:26,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:15:26,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441201537] [2024-05-06 02:15:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:15:26,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:15:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:15:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 179 proven. 7 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-05-06 02:15:27,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:15:27,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441201537] [2024-05-06 02:15:27,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441201537] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 02:15:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583604524] [2024-05-06 02:15:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:15:27,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 02:15:27,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 02:15:27,071 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 02:15:27,075 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 02:15:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:15:27,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-06 02:15:27,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 02:15:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-05-06 02:15:27,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 02:15:27,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583604524] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 02:15:27,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 02:15:27,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 14 [2024-05-06 02:15:27,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716028690] [2024-05-06 02:15:27,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 02:15:27,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-06 02:15:27,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:15:27,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-06 02:15:27,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-05-06 02:15:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:15:27,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:15:27,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.0) internal successors, (187), 11 states have internal predecessors, (187), 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 02:15:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 02:15:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-06 02:15:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 02:15:27,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:19:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 02:19:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-05-06 02:19:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-06 02:19:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 02:19:03,947 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 02:19:04,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-06 02:19:04,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-06 02:19:04,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 02:19:04,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1462128473, now seen corresponding path program 2 times [2024-05-06 02:19:04,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 02:19:04,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370255816] [2024-05-06 02:19:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 02:19:04,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 02:19:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 02:19:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 576 proven. 28 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-05-06 02:19:05,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 02:19:05,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370255816] [2024-05-06 02:19:05,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370255816] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 02:19:05,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218566159] [2024-05-06 02:19:05,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 02:19:05,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 02:19:05,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 02:19:05,621 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 02:19:05,624 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 02:19:06,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 02:19:06,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 02:19:06,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-06 02:19:06,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 02:19:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 592 proven. 12 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-05-06 02:19:06,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 02:19:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 576 proven. 28 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-05-06 02:19:06,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218566159] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 02:19:06,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 02:19:06,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 15 [2024-05-06 02:19:06,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220215034] [2024-05-06 02:19:06,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 02:19:06,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 02:19:06,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 02:19:06,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 02:19:06,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-05-06 02:19:06,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 02:19:06,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 02:19:06,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 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 02:19:06,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 02:19:06,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-05-06 02:19:06,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-06 02:19:06,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 02:19:06,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.