/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/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 05:06:21,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 05:06:21,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 05:06:21,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 05:06:21,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 05:06:21,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 05:06:21,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 05:06:21,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 05:06:21,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 05:06:21,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 05:06:21,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 05:06:21,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 05:06:21,526 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 05:06:21,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 05:06:21,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 05:06:21,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 05:06:21,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 05:06:21,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 05:06:21,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 05:06:21,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 05:06:21,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 05:06:21,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 05:06:21,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 05:06:21,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 05:06:21,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 05:06:21,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 05:06:21,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 05:06:21,532 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 05:06:21,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 05:06:21,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 05:06:21,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 05:06:21,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 05:06:21,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 05:06:21,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 05:06:21,535 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 05:06:21,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 05:06:21,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 05:06:21,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 05:06:21,536 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 05:06:21,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-05-06 05:06:21,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 05:06:21,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 05:06:21,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 05:06:21,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 05:06:21,846 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 05:06:21,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2024-05-06 05:06:22,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 05:06:23,276 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 05:06:23,277 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2024-05-06 05:06:23,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/de13cb413/70fa31a168e64107937c0d6d5732cedf/FLAG16cb6cb4e [2024-05-06 05:06:23,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/de13cb413/70fa31a168e64107937c0d6d5732cedf [2024-05-06 05:06:23,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 05:06:23,310 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 05:06:23,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 05:06:23,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 05:06:23,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 05:06:23,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:06:23" (1/1) ... [2024-05-06 05:06:23,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75695125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:23, skipping insertion in model container [2024-05-06 05:06:23,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:06:23" (1/1) ... [2024-05-06 05:06:23,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 05:06:23,807 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2024-05-06 05:06:23,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 05:06:23,855 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 05:06:23,894 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2024-05-06 05:06:23,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 05:06:24,003 INFO L206 MainTranslator]: Completed translation [2024-05-06 05:06:24,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24 WrapperNode [2024-05-06 05:06:24,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 05:06:24,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 05:06:24,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 05:06:24,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 05:06:24,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,082 INFO L138 Inliner]: procedures = 278, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 154 [2024-05-06 05:06:24,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 05:06:24,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 05:06:24,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 05:06:24,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 05:06:24,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 05:06:24,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 05:06:24,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 05:06:24,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 05:06:24,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (1/1) ... [2024-05-06 05:06:24,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 05:06:24,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:06:24,161 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 05:06:24,181 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 05:06:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-06 05:06:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-06 05:06:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-06 05:06:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-06 05:06:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 05:06:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 05:06:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-06 05:06:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 05:06:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 05:06:24,210 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-06 05:06:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 05:06:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 05:06:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 05:06:24,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 05:06:24,213 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 05:06:24,370 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 05:06:24,372 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 05:06:24,665 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 05:06:24,687 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 05:06:24,687 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-06 05:06:24,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:06:24 BoogieIcfgContainer [2024-05-06 05:06:24,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 05:06:24,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 05:06:24,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 05:06:24,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 05:06:24,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 05:06:23" (1/3) ... [2024-05-06 05:06:24,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728a0c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:06:24, skipping insertion in model container [2024-05-06 05:06:24,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:06:24" (2/3) ... [2024-05-06 05:06:24,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728a0c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:06:24, skipping insertion in model container [2024-05-06 05:06:24,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:06:24" (3/3) ... [2024-05-06 05:06:24,699 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2024-05-06 05:06:24,708 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 05:06:24,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 05:06:24,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-06 05:06:24,717 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 05:06:24,793 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 05:06:24,833 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 05:06:24,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 05:06:24,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:06:24,836 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 05:06:24,845 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 05:06:24,881 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 05:06:24,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:24,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 05:06:24,901 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;@1a724bd8, 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 05:06:24,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-06 05:06:24,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:24,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:24,993 INFO L85 PathProgramCache]: Analyzing trace with hash 875694441, now seen corresponding path program 1 times [2024-05-06 05:06:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740752636] [2024-05-06 05:06:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:25,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:25,363 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 05:06:25,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:25,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740752636] [2024-05-06 05:06:25,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740752636] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:06:25,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:06:25,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 05:06:25,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214392101] [2024-05-06 05:06:25,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:25,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 05:06:25,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:25,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 05:06:25,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 05:06:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:25,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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 05:06:25,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 05:06:25,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:25,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1585094289, now seen corresponding path program 1 times [2024-05-06 05:06:25,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:25,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570550934] [2024-05-06 05:06:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:25,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:25,624 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 05:06:25,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570550934] [2024-05-06 05:06:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570550934] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:06:25,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:06:25,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-06 05:06:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000666650] [2024-05-06 05:06:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:25,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-06 05:06:25,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:25,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 05:06:25,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 05:06:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:25,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 05:06:25,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:25,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 05:06:25,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:25,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:25,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1074967772, now seen corresponding path program 1 times [2024-05-06 05:06:25,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:25,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834261552] [2024-05-06 05:06:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:25,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:25,807 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 05:06:25,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:25,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834261552] [2024-05-06 05:06:25,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834261552] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:06:25,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:06:25,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-06 05:06:25,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435273761] [2024-05-06 05:06:25,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:25,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-06 05:06:25,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:25,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-06 05:06:25,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-06 05:06:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:25,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:06:25,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:25,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:25,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-06 05:06:25,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:25,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:25,922 INFO L85 PathProgramCache]: Analyzing trace with hash 337692728, now seen corresponding path program 1 times [2024-05-06 05:06:25,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:25,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223613008] [2024-05-06 05:06:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:25,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:26,019 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 05:06:26,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:26,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223613008] [2024-05-06 05:06:26,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223613008] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:06:26,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:06:26,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-06 05:06:26,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228482076] [2024-05-06 05:06:26,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:26,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-06 05:06:26,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:26,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 05:06:26,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 05:06:26,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:26,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:26,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 05:06:26,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:26,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:26,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:26,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:26,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:26,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-06 05:06:26,102 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:26,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1379625732, now seen corresponding path program 1 times [2024-05-06 05:06:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:26,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884677669] [2024-05-06 05:06:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:26,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:27,769 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 05:06:27,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:27,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884677669] [2024-05-06 05:06:27,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884677669] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:06:27,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:06:27,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-05-06 05:06:27,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511447806] [2024-05-06 05:06:27,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:27,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-06 05:06:27,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:27,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-06 05:06:27,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2024-05-06 05:06:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:27,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:27,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.136363636363637) internal successors, (113), 22 states have internal predecessors, (113), 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 05:06:27,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:27,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 05:06:29,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-06 05:06:29,141 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:29,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:29,141 INFO L85 PathProgramCache]: Analyzing trace with hash -887503154, now seen corresponding path program 1 times [2024-05-06 05:06:29,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:29,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321429682] [2024-05-06 05:06:29,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:29,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 05:06:29,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:29,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321429682] [2024-05-06 05:06:29,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321429682] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:06:29,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73278802] [2024-05-06 05:06:29,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:29,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:06:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:06:29,366 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 05:06:29,384 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 05:06:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:29,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-06 05:06:29,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:06:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-06 05:06:29,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 05:06:29,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73278802] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:06:29,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 05:06:29,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-05-06 05:06:29,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577734119] [2024-05-06 05:06:29,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:29,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 05:06:29,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 05:06:29,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-05-06 05:06:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:29,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:29,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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 05:06:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-06 05:06:29,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:06:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:06:29,830 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 05:06:30,026 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,SelfDestructingSolverStorable5 [2024-05-06 05:06:30,027 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:30,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:30,027 INFO L85 PathProgramCache]: Analyzing trace with hash 966688031, now seen corresponding path program 1 times [2024-05-06 05:06:30,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:30,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98964285] [2024-05-06 05:06:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:30,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-06 05:06:33,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:33,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98964285] [2024-05-06 05:06:33,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98964285] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:06:33,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619316945] [2024-05-06 05:06:33,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:33,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:06:33,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:06:33,166 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 05:06:33,194 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 05:06:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:33,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 59 conjunts are in the unsatisfiable core [2024-05-06 05:06:33,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:06:34,436 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 23 treesize of output 1 [2024-05-06 05:06:35,607 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-06 05:06:35,608 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 34 treesize of output 13 [2024-05-06 05:06:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-06 05:06:35,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:06:36,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 48 [2024-05-06 05:06:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 48 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-06 05:06:38,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619316945] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:06:38,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:06:38,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 28, 27] total 84 [2024-05-06 05:06:38,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081719080] [2024-05-06 05:06:38,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:06:38,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-05-06 05:06:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:38,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-05-06 05:06:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=6550, Unknown=0, NotChecked=0, Total=6972 [2024-05-06 05:06:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:38,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:38,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.119047619047619) internal successors, (514), 84 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:06:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:06:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:06:38,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:44,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:06:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:06:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-06 05:06:44,639 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 05:06:44,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:06:44,840 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:44,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:44,840 INFO L85 PathProgramCache]: Analyzing trace with hash 323056318, now seen corresponding path program 2 times [2024-05-06 05:06:44,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:44,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162810949] [2024-05-06 05:06:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:44,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-05-06 05:06:45,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:45,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162810949] [2024-05-06 05:06:45,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162810949] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:06:45,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:06:45,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-06 05:06:45,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190344978] [2024-05-06 05:06:45,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:45,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-06 05:06:45,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:45,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-06 05:06:45,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 05:06:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:45,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:45,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:06:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:06:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:06:45,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-06 05:06:45,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:45,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:06:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:06:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-06 05:06:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:45,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-06 05:06:45,525 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:45,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:45,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1570813506, now seen corresponding path program 2 times [2024-05-06 05:06:45,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:45,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483097395] [2024-05-06 05:06:45,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:45,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 86 proven. 190 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-06 05:06:47,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:47,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483097395] [2024-05-06 05:06:47,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483097395] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:06:47,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021912879] [2024-05-06 05:06:47,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 05:06:47,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:06:47,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:06:47,881 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 05:06:47,888 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 05:06:48,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-06 05:06:48,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 05:06:48,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-06 05:06:48,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:06:48,800 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 23 treesize of output 1 [2024-05-06 05:06:49,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2024-05-06 05:06:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-05-06 05:06:49,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:06:50,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2024-05-06 05:06:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-05-06 05:06:50,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021912879] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-06 05:06:50,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-06 05:06:50,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [31, 23] total 71 [2024-05-06 05:06:50,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938888046] [2024-05-06 05:06:50,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:06:50,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-06 05:06:50,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:06:50,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-06 05:06:50,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=4744, Unknown=0, NotChecked=0, Total=4970 [2024-05-06 05:06:50,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:50,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:06:50,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.0) internal successors, (176), 22 states have internal predecessors, (176), 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 05:06:50,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:50,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:06:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:06:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:06:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:06:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 05:06:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:06:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:06:54,194 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 05:06:54,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:06:54,386 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:06:54,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:06:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1158385897, now seen corresponding path program 3 times [2024-05-06 05:06:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:06:54,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544399661] [2024-05-06 05:06:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:06:54,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:06:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:06:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 183 proven. 184 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-05-06 05:06:58,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:06:58,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544399661] [2024-05-06 05:06:58,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544399661] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:06:58,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862650027] [2024-05-06 05:06:58,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 05:06:58,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:06:58,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:06:58,074 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 05:06:58,082 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 05:06:58,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-06 05:06:58,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 05:06:58,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 77 conjunts are in the unsatisfiable core [2024-05-06 05:06:58,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:06:58,928 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 23 treesize of output 1 [2024-05-06 05:06:59,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-06 05:06:59,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 19 [2024-05-06 05:07:00,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2024-05-06 05:07:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 233 proven. 100 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-06 05:07:00,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:07:04,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2024-05-06 05:07:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 277 proven. 56 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-06 05:07:05,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862650027] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:07:05,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:07:05,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31, 29] total 92 [2024-05-06 05:07:05,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244323959] [2024-05-06 05:07:05,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:07:05,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-05-06 05:07:05,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:07:05,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-05-06 05:07:05,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=8038, Unknown=1, NotChecked=0, Total=8372 [2024-05-06 05:07:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:05,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:07:05,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 8.25) internal successors, (759), 92 states have internal predecessors, (759), 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 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:05,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 05:07:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-06 05:07:16,280 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 05:07:16,480 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,SelfDestructingSolverStorable9 [2024-05-06 05:07:16,480 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:07:16,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:07:16,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1742012507, now seen corresponding path program 3 times [2024-05-06 05:07:16,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:07:16,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12775175] [2024-05-06 05:07:16,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:07:16,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:07:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:07:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 70 proven. 247 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-05-06 05:07:16,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:07:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12775175] [2024-05-06 05:07:16,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12775175] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:07:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826340608] [2024-05-06 05:07:16,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 05:07:16,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:07:16,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:07:16,966 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 05:07:16,972 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 05:07:17,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-06 05:07:17,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 05:07:17,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-06 05:07:17,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:07:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 352 proven. 69 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-05-06 05:07:17,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:07:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 352 proven. 69 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-05-06 05:07:17,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826340608] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:07:17,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:07:17,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 18 [2024-05-06 05:07:17,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119576248] [2024-05-06 05:07:17,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:07:17,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-06 05:07:17,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:07:17,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-06 05:07:17,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-05-06 05:07:17,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:17,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:07:17,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 26.555555555555557) internal successors, (478), 18 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-06 05:07:17,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 05:07:26,908 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 05:07:27,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:07:27,108 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:07:27,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:07:27,109 INFO L85 PathProgramCache]: Analyzing trace with hash -136360259, now seen corresponding path program 1 times [2024-05-06 05:07:27,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:07:27,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087172122] [2024-05-06 05:07:27,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:07:27,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:07:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:07:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5140 backedges. 3001 proven. 0 refuted. 0 times theorem prover too weak. 2139 trivial. 0 not checked. [2024-05-06 05:07:27,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:07:27,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087172122] [2024-05-06 05:07:27,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087172122] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 05:07:27,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 05:07:27,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 05:07:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990308571] [2024-05-06 05:07:27,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 05:07:27,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 05:07:27,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:07:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 05:07:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-06 05:07:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:27,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:07:27,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:27,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 05:07:27,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:27,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:07:27,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:27,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-05-06 05:07:27,968 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:07:27,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:07:27,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1080002086, now seen corresponding path program 4 times [2024-05-06 05:07:27,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:07:27,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515906589] [2024-05-06 05:07:27,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:07:27,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:07:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:07:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 326 proven. 1789 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2024-05-06 05:07:29,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:07:29,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515906589] [2024-05-06 05:07:29,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515906589] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:07:29,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029558397] [2024-05-06 05:07:29,835 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 05:07:29,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:07:29,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:07:29,836 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 05:07:29,857 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 05:07:30,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 05:07:30,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 05:07:30,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-06 05:07:30,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:07:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 326 proven. 1681 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-05-06 05:07:31,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:07:32,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 326 proven. 1681 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2024-05-06 05:07:32,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029558397] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:07:32,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:07:32,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 24 [2024-05-06 05:07:32,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105652406] [2024-05-06 05:07:32,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:07:32,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-06 05:07:32,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:07:32,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-06 05:07:32,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-05-06 05:07:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:32,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:07:32,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 24.541666666666668) internal successors, (589), 24 states have internal predecessors, (589), 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 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:32,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:32,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:32,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:32,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:07:32,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:32,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:07:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:33,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:07:33,084 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 05:07:33,267 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,SelfDestructingSolverStorable12 [2024-05-06 05:07:33,268 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:07:33,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:07:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash 226469527, now seen corresponding path program 1 times [2024-05-06 05:07:33,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:07:33,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424092529] [2024-05-06 05:07:33,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:07:33,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:07:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:07:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 1870 proven. 2625 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-05-06 05:07:34,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:07:34,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424092529] [2024-05-06 05:07:34,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424092529] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:07:34,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642440251] [2024-05-06 05:07:34,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:07:34,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:07:34,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:07:34,650 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 05:07:34,653 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 05:07:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:07:35,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 1779 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-06 05:07:35,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:07:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 1870 proven. 2625 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-05-06 05:07:35,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:07:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4985 backedges. 1870 proven. 2625 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-05-06 05:07:36,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642440251] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:07:36,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:07:36,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 38 [2024-05-06 05:07:36,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948036489] [2024-05-06 05:07:36,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:07:36,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-06 05:07:36,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:07:36,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-06 05:07:36,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1026, Unknown=0, NotChecked=0, Total=1406 [2024-05-06 05:07:36,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:36,604 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:07:36,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 34.026315789473685) internal successors, (1293), 38 states have internal predecessors, (1293), 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 05:07:36,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:36,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:36,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:36,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:07:36,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:07:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:07:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 05:07:37,680 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 05:07:37,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:07:37,872 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:07:37,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:07:37,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1410338318, now seen corresponding path program 2 times [2024-05-06 05:07:37,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:07:37,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346115150] [2024-05-06 05:07:37,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:07:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:07:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:07:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 15407 backedges. 4104 proven. 10778 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-06 05:07:42,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:07:42,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346115150] [2024-05-06 05:07:42,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346115150] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:07:42,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365545268] [2024-05-06 05:07:42,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 05:07:42,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:07:42,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:07:42,073 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 05:07:42,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 05:07:42,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 05:07:42,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 05:07:42,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 3039 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-06 05:07:42,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:07:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 15407 backedges. 4104 proven. 10778 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-06 05:07:44,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:07:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 15407 backedges. 4104 proven. 10778 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-06 05:07:46,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365545268] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:07:46,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:07:46,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 74 [2024-05-06 05:07:46,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2700983] [2024-05-06 05:07:46,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:07:46,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-06 05:07:46,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:07:46,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-06 05:07:46,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1406, Invalid=3996, Unknown=0, NotChecked=0, Total=5402 [2024-05-06 05:07:46,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:46,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:07:46,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 37.472972972972975) internal successors, (2773), 74 states have internal predecessors, (2773), 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 05:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:46,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 05:07:46,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:07:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:07:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:07:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:07:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:07:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:07:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 05:07:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 05:07:49,338 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 05:07:49,530 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,SelfDestructingSolverStorable14 [2024-05-06 05:07:49,530 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:07:49,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:07:49,531 INFO L85 PathProgramCache]: Analyzing trace with hash 192726552, now seen corresponding path program 3 times [2024-05-06 05:07:49,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:07:49,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705768981] [2024-05-06 05:07:49,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:07:49,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:07:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:08:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 54233 backedges. 8208 proven. 45500 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-06 05:08:02,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:08:02,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705768981] [2024-05-06 05:08:02,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705768981] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:08:02,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471694777] [2024-05-06 05:08:02,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 05:08:02,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:08:02,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:08:02,881 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 05:08:02,883 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 05:10:01,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 42 check-sat command(s) [2024-05-06 05:10:01,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 05:10:01,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 5559 conjuncts, 154 conjunts are in the unsatisfiable core [2024-05-06 05:10:01,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:10:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 54233 backedges. 205 proven. 8528 refuted. 0 times theorem prover too weak. 45500 trivial. 0 not checked. [2024-05-06 05:10:04,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:10:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 54233 backedges. 205 proven. 8528 refuted. 0 times theorem prover too weak. 45500 trivial. 0 not checked. [2024-05-06 05:10:08,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471694777] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:10:08,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:10:08,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 16, 16] total 101 [2024-05-06 05:10:08,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750879047] [2024-05-06 05:10:08,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:10:08,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-06 05:10:08,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:10:08,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-06 05:10:08,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1582, Invalid=8518, Unknown=0, NotChecked=0, Total=10100 [2024-05-06 05:10:08,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:10:08,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:10:08,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 33.64356435643565) internal successors, (3398), 101 states have internal predecessors, (3398), 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 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 05:10:08,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 05:10:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:10:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 05:10:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 05:10:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-05-06 05:10:24,150 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 05:10:24,319 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,SelfDestructingSolverStorable15 [2024-05-06 05:10:24,319 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:10:24,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:10:24,320 INFO L85 PathProgramCache]: Analyzing trace with hash 312867772, now seen corresponding path program 5 times [2024-05-06 05:10:24,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:10:24,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513655730] [2024-05-06 05:10:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:10:24,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:10:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 05:11:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 73281 backedges. 250 proven. 23301 refuted. 0 times theorem prover too weak. 49730 trivial. 0 not checked. [2024-05-06 05:11:08,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 05:11:08,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513655730] [2024-05-06 05:11:08,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513655730] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 05:11:08,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880588243] [2024-05-06 05:11:08,357 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 05:11:08,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 05:11:08,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 05:11:08,360 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 05:11:08,362 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 05:19:36,115 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2024-05-06 05:19:36,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 05:19:36,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 6376 conjuncts, 176 conjunts are in the unsatisfiable core [2024-05-06 05:19:36,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 05:19:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 73281 backedges. 250 proven. 22302 refuted. 0 times theorem prover too weak. 50729 trivial. 0 not checked. [2024-05-06 05:19:39,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 05:19:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 73281 backedges. 250 proven. 22302 refuted. 0 times theorem prover too weak. 50729 trivial. 0 not checked. [2024-05-06 05:19:43,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880588243] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 05:19:43,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 05:19:43,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 60 [2024-05-06 05:19:43,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051466372] [2024-05-06 05:19:43,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 05:19:43,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-05-06 05:19:43,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 05:19:43,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-05-06 05:19:43,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=875, Invalid=2665, Unknown=0, NotChecked=0, Total=3540 [2024-05-06 05:19:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:19:43,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 05:19:43,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 22.016666666666666) internal successors, (1321), 60 states have internal predecessors, (1321), 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 05:19:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:19:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:19:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:19:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:19:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:19:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:19:43,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-05-06 05:19:43,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:19:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 05:19:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-05-06 05:19:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-06 05:19:45,654 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 05:19:45,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-06 05:19:45,805 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-05-06 05:19:45,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 05:19:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1901319524, now seen corresponding path program 6 times [2024-05-06 05:19:45,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 05:19:45,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708095721] [2024-05-06 05:19:45,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 05:19:45,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 05:19:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-06 05:20:11,962 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 05:20:11,962 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-06 05:20:12,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-05-06 05:20:12,067 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Termination requested (timeout or resource limit) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:869) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:793) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.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.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) 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) [2024-05-06 05:20:12,074 INFO L158 Benchmark]: Toolchain (without parser) took 828763.39ms. Allocated memory was 285.2MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 214.2MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-05-06 05:20:12,074 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 285.2MB. Free memory was 253.1MB in the beginning and 252.9MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 05:20:12,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.74ms. Allocated memory is still 285.2MB. Free memory was 213.9MB in the beginning and 249.3MB in the end (delta: -35.4MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2024-05-06 05:20:12,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.50ms. Allocated memory is still 285.2MB. Free memory was 249.3MB in the beginning and 246.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-06 05:20:12,075 INFO L158 Benchmark]: Boogie Preprocessor took 26.43ms. Allocated memory is still 285.2MB. Free memory was 246.2MB in the beginning and 244.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 05:20:12,075 INFO L158 Benchmark]: RCFGBuilder took 580.97ms. Allocated memory is still 285.2MB. Free memory was 244.6MB in the beginning and 224.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-06 05:20:12,077 INFO L158 Benchmark]: TraceAbstraction took 827380.24ms. Allocated memory was 285.2MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 223.6MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-05-06 05:20:12,079 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 285.2MB. Free memory was 253.1MB in the beginning and 252.9MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 689.74ms. Allocated memory is still 285.2MB. Free memory was 213.9MB in the beginning and 249.3MB in the end (delta: -35.4MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 77.50ms. Allocated memory is still 285.2MB. Free memory was 249.3MB in the beginning and 246.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.43ms. Allocated memory is still 285.2MB. Free memory was 246.2MB in the beginning and 244.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 580.97ms. Allocated memory is still 285.2MB. Free memory was 244.6MB in the beginning and 224.7MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 827380.24ms. Allocated memory was 285.2MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 223.6MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Termination requested (timeout or resource limit) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Termination requested (timeout or resource limit): de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown