/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 23:54:29,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 23:54:29,686 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 23:54:29,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 23:54:29,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 23:54:29,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 23:54:29,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 23:54:29,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 23:54:29,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 23:54:29,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 23:54:29,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 23:54:29,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 23:54:29,709 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 23:54:29,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 23:54:29,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 23:54:29,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 23:54:29,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 23:54:29,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 23:54:29,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 23:54:29,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 23:54:29,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 23:54:29,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 23:54:29,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 23:54:29,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 23:54:29,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 23:54:29,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 23:54:29,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 23:54:29,712 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 23:54:29,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 23:54:29,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 23:54:29,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 23:54:29,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 23:54:29,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 23:54:29,714 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 23:54:29,714 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 23:54:29,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 23:54:29,714 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 23:54:29,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 23:54:29,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 23:54:29,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 23:54:29,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 23:54:29,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 23:54:29,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 23:54:29,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 23:54:29,932 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 23:54:29,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2024-05-07 23:54:30,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 23:54:31,151 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 23:54:31,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2024-05-07 23:54:31,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7388c9f7a/104cb630d737486c81d004e74a960e98/FLAG0f68303ec [2024-05-07 23:54:31,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7388c9f7a/104cb630d737486c81d004e74a960e98 [2024-05-07 23:54:31,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 23:54:31,577 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 23:54:31,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 23:54:31,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 23:54:31,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 23:54:31,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2c19fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31, skipping insertion in model container [2024-05-07 23:54:31,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 23:54:31,737 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c[2434,2447] [2024-05-07 23:54:31,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 23:54:31,752 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 23:54:31,775 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c[2434,2447] [2024-05-07 23:54:31,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 23:54:31,788 INFO L206 MainTranslator]: Completed translation [2024-05-07 23:54:31,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31 WrapperNode [2024-05-07 23:54:31,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 23:54:31,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 23:54:31,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 23:54:31,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 23:54:31,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,825 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 108 [2024-05-07 23:54:31,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 23:54:31,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 23:54:31,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 23:54:31,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 23:54:31,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 23:54:31,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 23:54:31,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 23:54:31,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 23:54:31,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (1/1) ... [2024-05-07 23:54:31,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 23:54:31,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:31,899 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) [2024-05-07 23:54:31,905 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 [2024-05-07 23:54:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 23:54:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 23:54:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 23:54:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 23:54:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 23:54:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 23:54:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 23:54:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 23:54:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 23:54:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 23:54:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 23:54:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 23:54:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 23:54:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 23:54:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 23:54:31,972 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 23:54:32,049 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 23:54:32,050 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 23:54:32,263 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 23:54:32,273 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 23:54:32,273 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-07 23:54:32,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:54:32 BoogieIcfgContainer [2024-05-07 23:54:32,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 23:54:32,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 23:54:32,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 23:54:32,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 23:54:32,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 11:54:31" (1/3) ... [2024-05-07 23:54:32,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28810393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:54:32, skipping insertion in model container [2024-05-07 23:54:32,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:54:31" (2/3) ... [2024-05-07 23:54:32,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28810393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:54:32, skipping insertion in model container [2024-05-07 23:54:32,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:54:32" (3/3) ... [2024-05-07 23:54:32,290 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2024-05-07 23:54:32,297 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 23:54:32,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 23:54:32,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 23:54:32,305 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 23:54:32,384 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-07 23:54:32,422 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 23:54:32,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 23:54:32,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:32,424 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) [2024-05-07 23:54:32,426 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 [2024-05-07 23:54:32,452 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 23:54:32,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:32,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 23:54:32,467 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;@2931e3b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 23:54:32,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 23:54:33,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:33,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:33,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1803027862, now seen corresponding path program 1 times [2024-05-07 23:54:33,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:33,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885170468] [2024-05-07 23:54:33,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-07 23:54:33,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:33,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885170468] [2024-05-07 23:54:33,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885170468] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 23:54:33,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 23:54:33,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 23:54:33,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246948277] [2024-05-07 23:54:33,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 23:54:33,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 23:54:33,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:33,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 23:54:33,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 23:54:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:33,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:33,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 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) [2024-05-07 23:54:33,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:34,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:34,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 23:54:34,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:34,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1499550826, now seen corresponding path program 1 times [2024-05-07 23:54:34,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:34,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943914947] [2024-05-07 23:54:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:34,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 23:54:34,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:34,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943914947] [2024-05-07 23:54:34,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943914947] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 23:54:34,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 23:54:34,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 23:54:34,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319454266] [2024-05-07 23:54:34,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 23:54:34,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 23:54:34,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:34,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 23:54:34,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-07 23:54:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:34,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:34,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 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) [2024-05-07 23:54:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:34,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 23:54:34,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:34,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash -806310041, now seen corresponding path program 1 times [2024-05-07 23:54:34,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:34,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654476349] [2024-05-07 23:54:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 23:54:35,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:35,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654476349] [2024-05-07 23:54:35,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654476349] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:54:35,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848663070] [2024-05-07 23:54:35,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:35,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:35,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:35,314 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) [2024-05-07 23:54:35,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 23:54:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:35,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-07 23:54:35,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:54:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 23:54:35,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:54:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 23:54:35,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848663070] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:54:35,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:54:35,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-07 23:54:35,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944996374] [2024-05-07 23:54:35,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:54:35,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-07 23:54:35,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:35,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-07 23:54:35,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-05-07 23:54:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:35,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:35,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.736842105263158) internal successors, (223), 19 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 23:54:35,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:35,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:35,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:36,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 23:54:36,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-07 23:54:36,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:36,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:36,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1617842744, now seen corresponding path program 2 times [2024-05-07 23:54:36,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:36,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580237401] [2024-05-07 23:54:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:36,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:54:36,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:36,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580237401] [2024-05-07 23:54:36,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580237401] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:54:36,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824522250] [2024-05-07 23:54:36,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 23:54:36,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:36,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:36,913 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) [2024-05-07 23:54:36,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 23:54:37,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 23:54:37,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:54:37,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 23:54:37,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:54:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:54:37,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:54:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:54:37,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824522250] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:54:37,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:54:37,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2024-05-07 23:54:37,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539114629] [2024-05-07 23:54:37,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:54:37,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-07 23:54:37,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:37,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-07 23:54:37,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2024-05-07 23:54:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:37,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:37,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.0) internal successors, (300), 30 states have internal predecessors, (300), 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) [2024-05-07 23:54:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:37,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:37,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:37,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:38,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 23:54:38,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:38,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:38,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:38,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2114491401, now seen corresponding path program 3 times [2024-05-07 23:54:38,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:38,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806766038] [2024-05-07 23:54:38,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:38,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:54:38,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:38,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806766038] [2024-05-07 23:54:38,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806766038] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:54:38,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703902998] [2024-05-07 23:54:38,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 23:54:38,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:38,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:38,843 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) [2024-05-07 23:54:38,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 23:54:38,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-07 23:54:38,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:54:38,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-07 23:54:38,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:54:39,282 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-07 23:54:39,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:54:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-07 23:54:39,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703902998] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:54:39,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:54:39,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 31 [2024-05-07 23:54:39,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132969725] [2024-05-07 23:54:39,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:54:39,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-07 23:54:39,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:39,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-07 23:54:39,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-05-07 23:54:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:39,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:39,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 10.548387096774194) internal successors, (327), 31 states have internal predecessors, (327), 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) [2024-05-07 23:54:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:39,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:39,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-07 23:54:41,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 23:54:41,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:41,662 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:41,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:41,662 INFO L85 PathProgramCache]: Analyzing trace with hash 149910627, now seen corresponding path program 1 times [2024-05-07 23:54:41,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:41,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804836693] [2024-05-07 23:54:41,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:41,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 47 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:54:42,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:42,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804836693] [2024-05-07 23:54:42,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804836693] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:54:42,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220207565] [2024-05-07 23:54:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:42,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:42,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:42,118 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) [2024-05-07 23:54:42,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 23:54:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:42,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-07 23:54:42,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:54:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 44 proven. 41 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 23:54:42,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:54:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-07 23:54:43,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220207565] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:54:43,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:54:43,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 44 [2024-05-07 23:54:43,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478494706] [2024-05-07 23:54:43,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:54:43,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-07 23:54:43,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:43,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-07 23:54:43,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1624, Unknown=0, NotChecked=0, Total=1892 [2024-05-07 23:54:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:43,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:43,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.681818181818182) internal successors, (426), 44 states have internal predecessors, (426), 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) [2024-05-07 23:54:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-07 23:54:43,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-07 23:54:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:54:44,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 23:54:44,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-07 23:54:44,220 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:44,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1263681204, now seen corresponding path program 2 times [2024-05-07 23:54:44,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:44,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933635250] [2024-05-07 23:54:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:44,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:44,567 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 42 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:54:44,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:44,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933635250] [2024-05-07 23:54:44,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933635250] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:54:44,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449418183] [2024-05-07 23:54:44,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 23:54:44,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:44,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:44,569 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) [2024-05-07 23:54:44,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 23:54:44,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 23:54:44,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:54:44,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-07 23:54:44,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:54:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 57 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:54:45,111 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:54:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 82 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:54:45,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449418183] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:54:45,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:54:45,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 40 [2024-05-07 23:54:45,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847172414] [2024-05-07 23:54:45,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:54:45,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-07 23:54:45,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:45,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-07 23:54:45,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1292, Unknown=0, NotChecked=0, Total=1560 [2024-05-07 23:54:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:45,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:45,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.8) internal successors, (432), 40 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 23:54:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:45,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:45,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:45,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-07 23:54:45,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:54:45,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-07 23:54:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:54:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:54:46,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 23:54:46,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:46,702 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:46,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:46,703 INFO L85 PathProgramCache]: Analyzing trace with hash -424265569, now seen corresponding path program 3 times [2024-05-07 23:54:46,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:46,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389911798] [2024-05-07 23:54:46,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:46,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 117 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:54:47,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:47,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389911798] [2024-05-07 23:54:47,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389911798] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:54:47,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530675135] [2024-05-07 23:54:47,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 23:54:47,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:47,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:47,158 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) [2024-05-07 23:54:47,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 23:54:47,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-07 23:54:47,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:54:47,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-07 23:54:47,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:54:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 120 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 23:54:48,152 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:54:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 138 proven. 27 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-07 23:54:48,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530675135] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:54:48,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:54:48,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 19] total 58 [2024-05-07 23:54:48,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032182157] [2024-05-07 23:54:48,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:54:48,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-07 23:54:48,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:49,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-07 23:54:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=3037, Unknown=0, NotChecked=0, Total=3306 [2024-05-07 23:54:49,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:49,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:49,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 10.241379310344827) internal successors, (594), 58 states have internal predecessors, (594), 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) [2024-05-07 23:54:49,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:49,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:49,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:49,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:49,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-07 23:54:49,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:54:49,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:54:49,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:54:56,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:54:56,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 23:54:56,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-07 23:54:56,826 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:54:56,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:54:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2119408268, now seen corresponding path program 4 times [2024-05-07 23:54:56,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:54:56,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400865001] [2024-05-07 23:54:56,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:54:56,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:54:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:54:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 163 proven. 165 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-07 23:54:57,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:54:57,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400865001] [2024-05-07 23:54:57,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400865001] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:54:57,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438153037] [2024-05-07 23:54:57,440 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 23:54:57,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:54:57,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:54:57,441 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) [2024-05-07 23:54:57,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 23:54:57,552 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 23:54:57,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:54:57,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-07 23:54:57,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:54:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 190 proven. 125 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-07 23:54:58,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:54:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 230 proven. 85 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-07 23:54:59,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438153037] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:54:59,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:54:59,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 67 [2024-05-07 23:54:59,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366144347] [2024-05-07 23:54:59,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:54:59,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-05-07 23:54:59,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:54:59,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-05-07 23:54:59,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=568, Invalid=3854, Unknown=0, NotChecked=0, Total=4422 [2024-05-07 23:54:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:59,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:54:59,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.014925373134329) internal successors, (604), 67 states have internal predecessors, (604), 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) [2024-05-07 23:54:59,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:54:59,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:54:59,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:54:59,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:54:59,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:54:59,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:54:59,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:54:59,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:54:59,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:00,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:00,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-07 23:55:01,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:55:01,053 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:55:01,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:55:01,054 INFO L85 PathProgramCache]: Analyzing trace with hash -479629501, now seen corresponding path program 5 times [2024-05-07 23:55:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:55:01,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866085894] [2024-05-07 23:55:01,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:55:01,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:55:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:55:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 142 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:55:01,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:55:01,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866085894] [2024-05-07 23:55:01,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866085894] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:55:01,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027243947] [2024-05-07 23:55:01,750 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 23:55:01,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:55:01,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:55:01,751 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) [2024-05-07 23:55:01,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 23:55:01,979 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-07 23:55:01,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:55:01,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-07 23:55:01,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:55:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-07 23:55:03,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:55:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 93 proven. 166 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-07 23:55:04,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027243947] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:55:04,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:55:04,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 25] total 79 [2024-05-07 23:55:04,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692554606] [2024-05-07 23:55:04,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:55:04,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-05-07 23:55:04,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:55:04,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-05-07 23:55:04,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=5792, Unknown=0, NotChecked=0, Total=6162 [2024-05-07 23:55:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:04,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:55:04,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 9.240506329113924) internal successors, (730), 79 states have internal predecessors, (730), 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) [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:04,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:20,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:20,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:20,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:20,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:20,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-07 23:55:20,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-07 23:55:20,868 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:55:20,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:55:20,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1292329847, now seen corresponding path program 6 times [2024-05-07 23:55:20,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:55:20,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408901184] [2024-05-07 23:55:20,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:55:20,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:55:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:55:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 609 proven. 361 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-05-07 23:55:21,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:55:21,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408901184] [2024-05-07 23:55:21,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408901184] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:55:21,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009797269] [2024-05-07 23:55:21,839 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 23:55:21,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:55:21,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:55:21,841 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) [2024-05-07 23:55:21,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-07 23:55:22,428 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-07 23:55:22,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:55:22,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-07 23:55:22,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:55:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 586 proven. 241 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-05-07 23:55:23,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:55:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 652 proven. 175 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-05-07 23:55:24,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009797269] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:55:24,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:55:24,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 91 [2024-05-07 23:55:24,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708320372] [2024-05-07 23:55:24,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:55:24,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-05-07 23:55:24,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:55:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-05-07 23:55:25,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=972, Invalid=7218, Unknown=0, NotChecked=0, Total=8190 [2024-05-07 23:55:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:25,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:55:25,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 8.87912087912088) internal successors, (808), 91 states have internal predecessors, (808), 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) [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:25,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:55:27,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-07 23:55:27,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-07 23:55:27,744 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:55:27,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:55:27,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1617579034, now seen corresponding path program 7 times [2024-05-07 23:55:27,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:55:27,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147418999] [2024-05-07 23:55:27,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:55:27,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:55:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:55:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 805 proven. 305 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:55:28,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:55:28,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147418999] [2024-05-07 23:55:28,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147418999] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:55:28,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119035157] [2024-05-07 23:55:28,794 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 23:55:28,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:55:28,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:55:28,795 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) [2024-05-07 23:55:28,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-07 23:55:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:55:28,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-07 23:55:28,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:55:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 663 proven. 271 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-05-07 23:55:30,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:55:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 702 proven. 232 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-05-07 23:55:31,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119035157] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:55:31,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:55:31,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 103 [2024-05-07 23:55:31,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113452750] [2024-05-07 23:55:31,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:55:31,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-05-07 23:55:31,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:55:31,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-05-07 23:55:31,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=9282, Unknown=0, NotChecked=0, Total=10506 [2024-05-07 23:55:31,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:31,884 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:55:31,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 9.067961165048544) internal successors, (934), 103 states have internal predecessors, (934), 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) [2024-05-07 23:55:31,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:55:31,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:55:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:55:34,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-07 23:55:34,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:55:34,883 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:55:34,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:55:34,883 INFO L85 PathProgramCache]: Analyzing trace with hash -813704533, now seen corresponding path program 8 times [2024-05-07 23:55:34,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:55:34,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086073803] [2024-05-07 23:55:34,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:55:34,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:55:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:55:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 561 proven. 531 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-05-07 23:55:36,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:55:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086073803] [2024-05-07 23:55:36,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086073803] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:55:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724928432] [2024-05-07 23:55:36,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 23:55:36,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:55:36,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:55:36,055 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:55:36,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-07 23:55:36,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 23:55:36,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:55:36,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-07 23:55:36,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:55:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 666 proven. 389 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-07 23:55:37,722 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:55:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 758 proven. 297 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-07 23:55:39,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724928432] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:55:39,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:55:39,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 115 [2024-05-07 23:55:39,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171768436] [2024-05-07 23:55:39,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:55:39,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-05-07 23:55:39,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:55:39,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-05-07 23:55:39,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1522, Invalid=11588, Unknown=0, NotChecked=0, Total=13110 [2024-05-07 23:55:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:39,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:55:39,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 8.121739130434783) internal successors, (934), 115 states have internal predecessors, (934), 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) [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:39,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:39,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:39,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:55:39,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:55:39,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:55:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:55:42,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:55:42,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-07 23:55:42,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-07 23:55:42,861 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:55:42,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:55:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1240090684, now seen corresponding path program 9 times [2024-05-07 23:55:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:55:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069686782] [2024-05-07 23:55:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:55:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:55:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:55:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 248 proven. 1001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:55:44,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:55:44,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069686782] [2024-05-07 23:55:44,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069686782] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:55:44,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978185046] [2024-05-07 23:55:44,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 23:55:44,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:55:44,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:55:44,074 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:55:44,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-07 23:55:44,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-07 23:55:44,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:55:44,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-07 23:55:44,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:55:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 8 proven. 871 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-07 23:55:46,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:55:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 350 proven. 529 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-07 23:55:49,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978185046] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:55:49,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:55:49,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 45, 41] total 122 [2024-05-07 23:55:49,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093697168] [2024-05-07 23:55:49,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:55:49,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-07 23:55:49,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:55:49,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-07 23:55:49,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=894, Invalid=13868, Unknown=0, NotChecked=0, Total=14762 [2024-05-07 23:55:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:49,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:55:49,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 8.950819672131148) internal successors, (1092), 122 states have internal predecessors, (1092), 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) [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:55:49,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:56:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:56:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:56:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:56:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:56:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-05-07 23:56:09,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-07 23:56:09,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-07 23:56:09,408 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:56:09,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:56:09,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1232755385, now seen corresponding path program 10 times [2024-05-07 23:56:09,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:56:09,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921499262] [2024-05-07 23:56:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:56:09,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:56:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:56:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 1907 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:56:15,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:56:15,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921499262] [2024-05-07 23:56:15,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921499262] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:56:15,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009212669] [2024-05-07 23:56:15,361 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 23:56:15,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:56:15,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:56:15,362 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:56:15,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-07 23:56:15,582 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 23:56:15,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:56:15,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-07 23:56:15,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:56:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 1870 proven. 422 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2024-05-07 23:56:18,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:56:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 1922 proven. 370 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2024-05-07 23:56:21,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009212669] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:56:21,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:56:21,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 45, 45] total 185 [2024-05-07 23:56:21,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90926845] [2024-05-07 23:56:21,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:56:21,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2024-05-07 23:56:21,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:56:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2024-05-07 23:56:22,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2436, Invalid=31604, Unknown=0, NotChecked=0, Total=34040 [2024-05-07 23:56:22,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:22,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:56:22,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 7.135135135135135) internal successors, (1320), 185 states have internal predecessors, (1320), 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) [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-05-07 23:56:22,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-05-07 23:56:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:23,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-07 23:56:24,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-07 23:56:24,153 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:56:24,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:56:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash 915857814, now seen corresponding path program 11 times [2024-05-07 23:56:24,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:56:24,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950630822] [2024-05-07 23:56:24,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:56:24,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:56:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:56:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3715 backedges. 1907 proven. 1808 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:56:30,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:56:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950630822] [2024-05-07 23:56:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950630822] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:56:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44725608] [2024-05-07 23:56:30,067 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 23:56:30,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:56:30,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:56:30,069 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:56:30,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-07 23:56:30,845 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-05-07 23:56:30,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:56:30,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-07 23:56:30,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:56:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3715 backedges. 3089 proven. 451 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-07 23:56:33,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:56:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3715 backedges. 3089 proven. 451 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-07 23:56:36,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44725608] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:56:36,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:56:36,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 49, 49] total 195 [2024-05-07 23:56:36,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472381046] [2024-05-07 23:56:36,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:56:36,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-05-07 23:56:36,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:56:38,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-05-07 23:56:38,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2784, Invalid=35046, Unknown=0, NotChecked=0, Total=37830 [2024-05-07 23:56:38,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:38,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:56:38,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 9.061538461538461) internal successors, (1767), 195 states have internal predecessors, (1767), 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) [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:56:38,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:56:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-05-07 23:56:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:38,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-05-07 23:56:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:56:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-07 23:56:40,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-07 23:56:40,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-07 23:56:40,435 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:56:40,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:56:40,436 INFO L85 PathProgramCache]: Analyzing trace with hash -523608347, now seen corresponding path program 12 times [2024-05-07 23:56:40,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:56:40,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298560579] [2024-05-07 23:56:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:56:40,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:56:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:56:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3804 backedges. 1907 proven. 1897 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 23:56:46,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:56:46,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298560579] [2024-05-07 23:56:46,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298560579] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:56:46,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249138965] [2024-05-07 23:56:46,470 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 23:56:46,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:56:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:56:46,471 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:56:46,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-07 23:56:47,400 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-05-07 23:56:47,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 23:56:47,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-07 23:56:47,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:56:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3804 backedges. 103 proven. 3250 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-05-07 23:56:53,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:57:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3804 backedges. 0 proven. 3264 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-05-07 23:57:00,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249138965] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:57:00,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:57:00,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 69, 65] total 237 [2024-05-07 23:57:00,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950366817] [2024-05-07 23:57:00,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:57:00,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 237 states [2024-05-07 23:57:00,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:57:01,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2024-05-07 23:57:01,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1895, Invalid=54037, Unknown=0, NotChecked=0, Total=55932 [2024-05-07 23:57:01,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:57:01,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:57:01,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 237 states, 237 states have (on average 8.054852320675106) internal successors, (1909), 237 states have internal predecessors, (1909), 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) [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-07 23:57:01,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:59:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 403 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-07 23:59:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-07 23:59:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 848 states. [2024-05-07 23:59:24,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-07 23:59:24,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-07 23:59:24,909 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 23:59:24,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 23:59:24,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1542365701, now seen corresponding path program 13 times [2024-05-07 23:59:24,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 23:59:24,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358212192] [2024-05-07 23:59:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 23:59:24,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 23:59:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:59:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11238 backedges. 8153 proven. 3084 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 23:59:43,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 23:59:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358212192] [2024-05-07 23:59:43,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358212192] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 23:59:43,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776419249] [2024-05-07 23:59:43,635 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 23:59:43,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 23:59:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 23:59:43,636 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 23:59:43,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-07 23:59:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 23:59:43,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-07 23:59:43,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 23:59:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 11238 backedges. 4847 proven. 781 refuted. 0 times theorem prover too weak. 5610 trivial. 0 not checked. [2024-05-07 23:59:48,944 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 23:59:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11238 backedges. 4991 proven. 637 refuted. 0 times theorem prover too weak. 5610 trivial. 0 not checked. [2024-05-07 23:59:54,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776419249] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 23:59:54,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 23:59:54,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [171, 57, 57] total 277 [2024-05-07 23:59:54,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710766353] [2024-05-07 23:59:54,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 23:59:54,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 277 states [2024-05-07 23:59:54,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 23:59:56,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 277 interpolants. [2024-05-07 23:59:56,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5328, Invalid=71124, Unknown=0, NotChecked=0, Total=76452 [2024-05-07 23:59:56,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:59:56,608 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 23:59:56,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 277 states, 277 states have (on average 6.902527075812275) internal successors, (1912), 277 states have internal predecessors, (1912), 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) [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 403 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 848 states. [2024-05-07 23:59:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 00:00:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 00:00:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 00:00:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-08 00:00:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 00:00:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-08 00:00:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 00:00:01,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 403 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 848 states. [2024-05-08 00:00:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-08 00:00:01,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-08 00:00:01,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-08 00:00:01,910 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-08 00:00:01,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 00:00:01,910 INFO L85 PathProgramCache]: Analyzing trace with hash -960170420, now seen corresponding path program 14 times [2024-05-08 00:00:01,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 00:00:01,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442493193] [2024-05-08 00:00:01,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 00:00:01,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 00:00:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 00:00:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 11343 backedges. 8153 proven. 3189 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 00:00:20,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 00:00:20,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442493193] [2024-05-08 00:00:20,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442493193] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 00:00:20,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858710103] [2024-05-08 00:00:20,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 00:00:20,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 00:00:20,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 00:00:20,593 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 00:00:20,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-08 00:00:20,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 00:00:20,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 00:00:20,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-08 00:00:20,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 00:00:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 11343 backedges. 5144 proven. 820 refuted. 0 times theorem prover too weak. 5379 trivial. 0 not checked. [2024-05-08 00:00:26,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 00:00:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 11343 backedges. 5222 proven. 742 refuted. 0 times theorem prover too weak. 5379 trivial. 0 not checked. [2024-05-08 00:00:32,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858710103] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 00:00:32,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 00:00:32,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [173, 61, 61] total 287 [2024-05-08 00:00:32,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527863518] [2024-05-08 00:00:32,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 00:00:32,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 287 states [2024-05-08 00:00:32,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 00:00:34,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 287 interpolants. [2024-05-08 00:00:34,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5733, Invalid=76349, Unknown=0, NotChecked=0, Total=82082 [2024-05-08 00:00:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 00:00:34,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 00:00:34,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 287 states, 287 states have (on average 6.83623693379791) internal successors, (1962), 287 states have internal predecessors, (1962), 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) [2024-05-08 00:00:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 00:00:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 403 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 848 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-08 00:00:34,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-08 00:00:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 403 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 848 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-08 00:00:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-08 00:00:39,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-08 00:00:39,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 00:00:39,981 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-08 00:00:39,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 00:00:39,981 INFO L85 PathProgramCache]: Analyzing trace with hash 302493085, now seen corresponding path program 15 times [2024-05-08 00:00:39,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 00:00:39,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118429556] [2024-05-08 00:00:39,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 00:00:39,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 00:00:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 00:00:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 11456 backedges. 8153 proven. 3302 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 00:00:59,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 00:00:59,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118429556] [2024-05-08 00:00:59,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118429556] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 00:00:59,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769169822] [2024-05-08 00:00:59,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 00:00:59,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 00:00:59,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 00:00:59,186 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 00:00:59,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-08 00:01:02,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-05-08 00:01:02,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 00:01:02,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 350 conjunts are in the unsatisfiable core [2024-05-08 00:01:02,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 00:01:07,502 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 15 treesize of output 1 [2024-05-08 00:01:09,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-08 00:01:09,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-08 00:01:09,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-08 00:02:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:19,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-08 00:02:20,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-08 00:02:20,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 193 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 332 treesize of output 820 Received shutdown request... [2024-05-08 00:08:07,564 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-08 00:08:07,569 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 00:08:07,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-08 00:08:07,580 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 [2024-05-08 00:08:07,580 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 [2024-05-08 00:08:07,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 00:08:07,778 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-52-15-5-13-5-17-5-17-5-16-4-15-4-14-3-14-2-10-2-11-2-11-2-11-2-6-2-5-2-4-2-3-2-2-1 context. [2024-05-08 00:08:07,780 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-08 00:08:07,780 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-08 00:08:07,780 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-08 00:08:07,783 INFO L448 BasicCegarLoop]: Path program histogram: [15, 3, 1, 1] [2024-05-08 00:08:07,785 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-08 00:08:07,785 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-08 00:08:07,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.05 12:08:07 BasicIcfg [2024-05-08 00:08:07,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-08 00:08:07,787 INFO L158 Benchmark]: Toolchain (without parser) took 816209.85ms. Allocated memory was 169.9MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 97.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-05-08 00:08:07,787 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 152.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 00:08:07,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.74ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 85.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-08 00:08:07,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 169.9MB. Free memory was 85.6MB in the beginning and 83.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-08 00:08:07,788 INFO L158 Benchmark]: Boogie Preprocessor took 26.03ms. Allocated memory is still 169.9MB. Free memory was 83.7MB in the beginning and 82.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 00:08:07,788 INFO L158 Benchmark]: RCFGBuilder took 422.18ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 82.0MB in the beginning and 245.5MB in the end (delta: -163.5MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2024-05-08 00:08:07,788 INFO L158 Benchmark]: TraceAbstraction took 815510.31ms. Allocated memory was 285.2MB in the beginning and 3.1GB in the end (delta: 2.8GB). Free memory was 244.4MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2024-05-08 00:08:07,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 152.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.74ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 85.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 169.9MB. Free memory was 85.6MB in the beginning and 83.7MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.03ms. Allocated memory is still 169.9MB. Free memory was 83.7MB in the beginning and 82.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 422.18ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 82.0MB in the beginning and 245.5MB in the end (delta: -163.5MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * TraceAbstraction took 815510.31ms. Allocated memory was 285.2MB in the beginning and 3.1GB in the end (delta: 2.8GB). Free memory was 244.4MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1624459, independent: 1568921, independent conditional: 1459616, independent unconditional: 109305, dependent: 55538, dependent conditional: 55538, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 1459616, independent unconditional: 109305, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 1459616, independent unconditional: 109305, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 1459616, independent unconditional: 109305, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 664242, independent unconditional: 904679, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 336331, independent unconditional: 1232590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 336331, independent unconditional: 1232590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2492, independent: 2492, independent conditional: 33, independent unconditional: 2459, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2492, independent: 2492, independent conditional: 0, independent unconditional: 2492, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1568921, independent: 1566429, independent conditional: 336298, independent unconditional: 1230131, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2492, unknown conditional: 33, unknown unconditional: 2459] , Statistics on independence cache: Total cache size (in pairs): 2492, Positive cache size: 2492, Positive conditional cache size: 33, Positive unconditional cache size: 2459, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 327911, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 664242, independent unconditional: 904679, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 336331, independent unconditional: 1232590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1568921, independent: 1568921, independent conditional: 336331, independent unconditional: 1232590, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2492, independent: 2492, independent conditional: 33, independent unconditional: 2459, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2492, independent: 2492, independent conditional: 0, independent unconditional: 2492, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1568921, independent: 1566429, independent conditional: 336298, independent unconditional: 1230131, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2492, unknown conditional: 33, unknown unconditional: 2459] , Statistics on independence cache: Total cache size (in pairs): 2492, Positive cache size: 2492, Positive conditional cache size: 33, Positive unconditional cache size: 2459, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 327911 ], Independence queries for same thread: 55538 - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-52-15-5-13-5-17-5-17-5-16-4-15-4-14-3-14-2-10-2-11-2-11-2-11-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-52-15-5-13-5-17-5-17-5-16-4-15-4-14-3-14-2-10-2-11-2-11-2-11-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-52-15-5-13-5-17-5-17-5-16-4-15-4-14-3-14-2-10-2-11-2-11-2-11-2-6-2-5-2-4-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-52-15-5-13-5-17-5-17-5-16-4-15-4-14-3-14-2-10-2-11-2-11-2-11-2-6-2-5-2-4-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 230 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 815.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 217.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2305, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 130.7s InterpolantComputationTime, 16508 NumberOfCodeBlocks, 16389 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 24557 ConstructedInterpolants, 0 QuantifiedInterpolants, 140002 SizeOfPredicates, 563 NumberOfNonLiveVariables, 13224 ConjunctsInSsa, 570 ConjunctsInUnsatCore, 53 InterpolantComputations, 2 PerfectInterpolantSequences, 88979/118772 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 1.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown