/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 00:14:10,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 00:14:10,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 00:14:10,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 00:14:10,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 00:14:10,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 00:14:10,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 00:14:10,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 00:14:10,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 00:14:10,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 00:14:10,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 00:14:10,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 00:14:10,759 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 00:14:10,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 00:14:10,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 00:14:10,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 00:14:10,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 00:14:10,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 00:14:10,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 00:14:10,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 00:14:10,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 00:14:10,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 00:14:10,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 00:14:10,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 00:14:10,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 00:14:10,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 00:14:10,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 00:14:10,765 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 00:14:10,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 00:14:10,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 00:14:10,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 00:14:10,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 00:14:10,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 00:14:10,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 00:14:10,767 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 00:14:10,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 00:14:10,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 00:14:10,768 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 00:14:10,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 00:14:10,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 00:14:11,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 00:14:11,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 00:14:11,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 00:14:11,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 00:14:11,046 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 00:14:11,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-04-04 00:14:12,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 00:14:12,394 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 00:14:12,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-04-04 00:14:12,402 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cdabafc1f/118c1c977f344a568a4e8ab85f7cf866/FLAG844c68e83 [2024-04-04 00:14:12,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cdabafc1f/118c1c977f344a568a4e8ab85f7cf866 [2024-04-04 00:14:12,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 00:14:12,423 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 00:14:12,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 00:14:12,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 00:14:12,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 00:14:12,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17699922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12, skipping insertion in model container [2024-04-04 00:14:12,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,460 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 00:14:12,646 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-queue-add-2-nl.wvr.c[2870,2883] [2024-04-04 00:14:12,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 00:14:12,662 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 00:14:12,681 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-queue-add-2-nl.wvr.c[2870,2883] [2024-04-04 00:14:12,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 00:14:12,690 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 00:14:12,691 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 00:14:12,697 INFO L206 MainTranslator]: Completed translation [2024-04-04 00:14:12,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12 WrapperNode [2024-04-04 00:14:12,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 00:14:12,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 00:14:12,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 00:14:12,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 00:14:12,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,732 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 169 [2024-04-04 00:14:12,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 00:14:12,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 00:14:12,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 00:14:12,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 00:14:12,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 00:14:12,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 00:14:12,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 00:14:12,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 00:14:12,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (1/1) ... [2024-04-04 00:14:12,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 00:14:12,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:12,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 00:14:12,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 00:14:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 00:14:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 00:14:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 00:14:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 00:14:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 00:14:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 00:14:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 00:14:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 00:14:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 00:14:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 00:14:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 00:14:12,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 00:14:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 00:14:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 00:14:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 00:14:12,867 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 00:14:12,986 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 00:14:12,988 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 00:14:13,296 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 00:14:13,436 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 00:14:13,437 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 00:14:13,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:14:13 BoogieIcfgContainer [2024-04-04 00:14:13,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 00:14:13,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 00:14:13,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 00:14:13,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 00:14:13,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 12:14:12" (1/3) ... [2024-04-04 00:14:13,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1327e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:14:13, skipping insertion in model container [2024-04-04 00:14:13,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:14:12" (2/3) ... [2024-04-04 00:14:13,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1327e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:14:13, skipping insertion in model container [2024-04-04 00:14:13,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:14:13" (3/3) ... [2024-04-04 00:14:13,445 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-2-nl.wvr.c [2024-04-04 00:14:13,460 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 00:14:13,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 00:14:13,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 00:14:13,470 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 00:14:13,547 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 00:14:13,593 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 00:14:13,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 00:14:13,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:13,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 00:14:13,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 00:14:13,643 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 00:14:13,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:13,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 00:14:13,660 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;@611ae508, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 00:14:13,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 00:14:13,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:13,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:13,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1791165457, now seen corresponding path program 1 times [2024-04-04 00:14:13,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:13,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529590785] [2024-04-04 00:14:13,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:13,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 00:14:13,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:13,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529590785] [2024-04-04 00:14:13,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529590785] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:14:13,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 00:14:13,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 00:14:13,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955155566] [2024-04-04 00:14:13,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:14:13,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 00:14:13,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:14,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 00:14:14,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 00:14:14,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:14,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:14,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:14,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:14,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:14,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 00:14:14,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:14,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:14,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2037300376, now seen corresponding path program 1 times [2024-04-04 00:14:14,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:14,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948775501] [2024-04-04 00:14:14,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:14,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:14,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:14,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948775501] [2024-04-04 00:14:14,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948775501] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 00:14:14,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 00:14:14,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 00:14:14,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741598990] [2024-04-04 00:14:14,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 00:14:14,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 00:14:14,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:14,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 00:14:14,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 00:14:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:14,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:14,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:14,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:14,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:14,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 00:14:14,737 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:14,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2101361076, now seen corresponding path program 1 times [2024-04-04 00:14:14,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706552091] [2024-04-04 00:14:14,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:15,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706552091] [2024-04-04 00:14:15,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706552091] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:15,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76881707] [2024-04-04 00:14:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:15,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:15,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:15,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 00:14:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:15,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 00:14:15,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:15,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:15,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76881707] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:15,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:15,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-04 00:14:15,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458307736] [2024-04-04 00:14:15,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:15,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 00:14:15,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:15,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 00:14:15,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-04 00:14:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:15,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:15,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.157894736842104) internal successors, (193), 19 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:15,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:15,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:15,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:16,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:16,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:16,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:16,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:16,425 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 [2024-04-04 00:14:16,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:16,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1393941504, now seen corresponding path program 2 times [2024-04-04 00:14:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583288240] [2024-04-04 00:14:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:17,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:17,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583288240] [2024-04-04 00:14:17,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583288240] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:17,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429744985] [2024-04-04 00:14:17,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:14:17,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:17,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:17,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:17,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 00:14:17,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:14:17,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:17,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-04 00:14:17,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:18,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-04-04 00:14:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:18,823 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:19,021 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 00:14:19,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-04-04 00:14:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:19,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429744985] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:19,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:19,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 13] total 49 [2024-04-04 00:14:19,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476368499] [2024-04-04 00:14:19,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:19,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-04 00:14:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:19,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-04 00:14:19,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1934, Unknown=0, NotChecked=0, Total=2352 [2024-04-04 00:14:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:19,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:19,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 6.081632653061225) internal successors, (298), 49 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:19,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:19,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:19,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:19,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:20,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:21,157 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 [2024-04-04 00:14:21,157 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:21,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:21,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1446280304, now seen corresponding path program 1 times [2024-04-04 00:14:21,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:21,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685774318] [2024-04-04 00:14:21,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:21,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:22,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:22,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685774318] [2024-04-04 00:14:22,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685774318] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:22,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946788384] [2024-04-04 00:14:22,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:22,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:22,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:22,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 00:14:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:22,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 00:14:22,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:23,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-04-04 00:14:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:23,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:23,262 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 00:14:23,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-04-04 00:14:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:24,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946788384] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:24,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:24,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 17] total 53 [2024-04-04 00:14:24,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928111662] [2024-04-04 00:14:24,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:24,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-04 00:14:24,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:24,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-04 00:14:24,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=516, Invalid=2240, Unknown=0, NotChecked=0, Total=2756 [2024-04-04 00:14:24,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:24,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:24,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 6.69811320754717) internal successors, (355), 53 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:24,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:25,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:25,934 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 [2024-04-04 00:14:25,935 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:25,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:25,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1304820120, now seen corresponding path program 2 times [2024-04-04 00:14:25,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:25,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460442191] [2024-04-04 00:14:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:25,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:27,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:27,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460442191] [2024-04-04 00:14:27,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460442191] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:27,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035981246] [2024-04-04 00:14:27,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:14:27,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:27,445 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) [2024-04-04 00:14:27,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 00:14:27,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:14:27,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:27,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-04 00:14:27,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:28,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 00:14:28,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 17 [2024-04-04 00:14:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 26 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 00:14:28,354 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:28,655 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 00:14:28,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-04-04 00:14:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 00:14:29,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035981246] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:29,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:29,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19, 19] total 60 [2024-04-04 00:14:29,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432219481] [2024-04-04 00:14:29,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:29,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-04 00:14:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:29,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-04 00:14:29,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=3158, Unknown=0, NotChecked=0, Total=3540 [2024-04-04 00:14:29,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:29,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:29,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.216666666666667) internal successors, (373), 60 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:29,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:29,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:29,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:29,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:29,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:29,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:31,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:31,383 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 [2024-04-04 00:14:31,383 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:31,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:31,383 INFO L85 PathProgramCache]: Analyzing trace with hash 82427620, now seen corresponding path program 3 times [2024-04-04 00:14:31,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:31,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473317068] [2024-04-04 00:14:31,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:31,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:33,871 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 2 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:33,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:33,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473317068] [2024-04-04 00:14:33,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473317068] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:33,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028821976] [2024-04-04 00:14:33,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:14:33,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:33,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:33,873 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:33,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 00:14:34,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 00:14:34,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:34,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 00:14:34,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-04-04 00:14:34,504 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:34,680 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-04 00:14:34,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-04-04 00:14:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-04-04 00:14:35,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028821976] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:35,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:35,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 7, 9] total 44 [2024-04-04 00:14:35,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060795951] [2024-04-04 00:14:35,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:35,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-04 00:14:35,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:35,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-04 00:14:35,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1624, Unknown=0, NotChecked=0, Total=1892 [2024-04-04 00:14:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:35,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:35,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 8.181818181818182) internal successors, (360), 44 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:37,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:37,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:37,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:37,273 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:37,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:37,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1125205348, now seen corresponding path program 4 times [2024-04-04 00:14:37,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:37,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891443145] [2024-04-04 00:14:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:37,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 152 proven. 137 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:14:37,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:37,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891443145] [2024-04-04 00:14:37,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891443145] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:37,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459766519] [2024-04-04 00:14:37,943 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:14:37,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:37,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:37,945 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:37,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 00:14:38,070 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:14:38,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:38,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-04 00:14:38,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 163 proven. 126 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:14:38,815 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 99 proven. 190 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-04 00:14:39,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459766519] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:39,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:39,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-04-04 00:14:39,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157491744] [2024-04-04 00:14:39,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:39,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-04 00:14:39,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:39,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-04 00:14:39,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=637, Invalid=3395, Unknown=0, NotChecked=0, Total=4032 [2024-04-04 00:14:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:39,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:39,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.875) internal successors, (440), 64 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:40,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:40,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:40,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:40,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:40,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:40,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:14:40,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:40,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-04 00:14:40,602 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:40,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:40,602 INFO L85 PathProgramCache]: Analyzing trace with hash -413210928, now seen corresponding path program 5 times [2024-04-04 00:14:40,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:40,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49436022] [2024-04-04 00:14:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:40,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 85 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:42,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:42,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49436022] [2024-04-04 00:14:42,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49436022] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:42,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825231928] [2024-04-04 00:14:42,803 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:14:42,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:42,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:42,805 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:42,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 00:14:42,959 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-04 00:14:42,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:42,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 57 conjunts are in the unsatisfiable core [2024-04-04 00:14:42,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 20 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:44,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:44,987 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-04 00:14:44,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-04-04 00:14:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 20 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:14:47,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825231928] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:47,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:47,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 34, 33] total 101 [2024-04-04 00:14:47,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21901193] [2024-04-04 00:14:47,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:47,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-04 00:14:47,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:47,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-04 00:14:47,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1593, Invalid=8507, Unknown=0, NotChecked=0, Total=10100 [2024-04-04 00:14:47,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:47,086 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:47,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 5.821782178217822) internal successors, (588), 101 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:14:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:49,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:14:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:14:49,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:50,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:50,103 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:50,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:50,103 INFO L85 PathProgramCache]: Analyzing trace with hash -892962306, now seen corresponding path program 6 times [2024-04-04 00:14:50,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:50,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897703990] [2024-04-04 00:14:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:50,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 160 proven. 390 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 00:14:50,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:50,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897703990] [2024-04-04 00:14:50,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897703990] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:50,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781916193] [2024-04-04 00:14:50,906 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:14:50,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:50,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:50,907 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:14:50,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 00:14:51,778 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-04-04 00:14:51,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:14:51,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-04 00:14:51,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:52,451 INFO L349 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2024-04-04 00:14:52,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 13 [2024-04-04 00:14:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 41 proven. 230 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-04-04 00:14:52,473 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:52,661 INFO L349 Elim1Store]: treesize reduction 18, result has 37.9 percent of original size [2024-04-04 00:14:52,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 23 [2024-04-04 00:14:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 7 proven. 318 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-04-04 00:14:53,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781916193] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:53,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:53,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 10, 18] total 54 [2024-04-04 00:14:53,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151024769] [2024-04-04 00:14:53,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:53,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-04 00:14:53,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:53,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-04 00:14:53,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=2552, Unknown=0, NotChecked=0, Total=2862 [2024-04-04 00:14:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:53,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:53,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 9.407407407407407) internal successors, (508), 54 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:14:53,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:14:55,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:14:55,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:14:55,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 00:14:56,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-04 00:14:56,035 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:14:56,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:14:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1858526837, now seen corresponding path program 7 times [2024-04-04 00:14:56,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:14:56,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512146480] [2024-04-04 00:14:56,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:14:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:14:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 266 proven. 1098 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-04-04 00:14:57,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:14:57,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512146480] [2024-04-04 00:14:57,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512146480] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:14:57,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526562451] [2024-04-04 00:14:57,205 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 00:14:57,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:14:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:14:57,206 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) [2024-04-04 00:14:57,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 00:14:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:14:57,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 00:14:57,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:14:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 1028 proven. 297 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-04-04 00:14:58,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:14:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 927 proven. 398 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-04-04 00:14:59,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526562451] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:14:59,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:14:59,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 91 [2024-04-04 00:14:59,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732231979] [2024-04-04 00:14:59,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:14:59,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-04 00:14:59,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:14:59,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-04 00:14:59,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1159, Invalid=7031, Unknown=0, NotChecked=0, Total=8190 [2024-04-04 00:14:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:59,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:14:59,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 6.967032967032967) internal successors, (634), 91 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:14:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:00,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:00,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:00,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 00:15:00,984 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 [2024-04-04 00:15:00,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:15:00,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:15:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash 568179671, now seen corresponding path program 8 times [2024-04-04 00:15:00,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:15:00,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218223541] [2024-04-04 00:15:00,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:15:00,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:15:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:15:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1631 backedges. 320 proven. 1163 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-04-04 00:15:02,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:15:02,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218223541] [2024-04-04 00:15:02,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218223541] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:15:02,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111506831] [2024-04-04 00:15:02,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:15:02,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:15:02,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:15:02,290 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:15:02,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 00:15:02,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:15:02,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:15:02,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 00:15:02,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:15:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1631 backedges. 1069 proven. 370 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-04-04 00:15:03,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:15:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1631 backedges. 987 proven. 452 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-04-04 00:15:04,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111506831] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:15:04,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:15:04,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2024-04-04 00:15:04,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076773176] [2024-04-04 00:15:04,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:15:04,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-04 00:15:04,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:15:05,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-04 00:15:05,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1383, Invalid=8517, Unknown=0, NotChecked=0, Total=9900 [2024-04-04 00:15:05,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:05,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:15:05,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.81) internal successors, (681), 100 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:05,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:05,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:05,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:05,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:06,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 00:15:06,598 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 [2024-04-04 00:15:06,598 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:15:06,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:15:06,599 INFO L85 PathProgramCache]: Analyzing trace with hash -40285661, now seen corresponding path program 9 times [2024-04-04 00:15:06,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:15:06,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209860630] [2024-04-04 00:15:06,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:15:06,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:15:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:15:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 453 proven. 1184 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-04-04 00:15:08,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:15:08,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209860630] [2024-04-04 00:15:08,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209860630] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:15:08,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258706029] [2024-04-04 00:15:08,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:15:08,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:15:08,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:15:08,063 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:15:08,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 00:15:08,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-04-04 00:15:08,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:15:08,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-04 00:15:08,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:15:11,003 INFO L349 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2024-04-04 00:15:11,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 22 [2024-04-04 00:15:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 564 proven. 620 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-04-04 00:15:11,038 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:15:11,968 INFO L349 Elim1Store]: treesize reduction 25, result has 49.0 percent of original size [2024-04-04 00:15:11,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 48 [2024-04-04 00:15:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 6 proven. 1178 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-04-04 00:15:13,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258706029] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:15:13,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:15:13,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 40, 40] total 111 [2024-04-04 00:15:13,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683351972] [2024-04-04 00:15:13,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:15:13,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2024-04-04 00:15:13,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:15:13,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2024-04-04 00:15:13,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1503, Invalid=10707, Unknown=0, NotChecked=0, Total=12210 [2024-04-04 00:15:13,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:13,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:15:13,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 5.891891891891892) internal successors, (654), 111 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:13,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:15:16,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 00:15:16,416 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 [2024-04-04 00:15:16,416 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:15:16,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:15:16,417 INFO L85 PathProgramCache]: Analyzing trace with hash -398996369, now seen corresponding path program 10 times [2024-04-04 00:15:16,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:15:16,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308546479] [2024-04-04 00:15:16,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:15:16,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:15:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:15:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 529 proven. 1221 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-04-04 00:15:17,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:15:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308546479] [2024-04-04 00:15:17,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308546479] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:15:17,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079220335] [2024-04-04 00:15:17,988 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:15:17,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:15:17,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:15:17,989 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:15:18,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 00:15:18,149 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:15:18,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:15:18,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-04 00:15:18,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:15:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 1170 proven. 540 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-04-04 00:15:19,567 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:15:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 1070 proven. 640 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-04-04 00:15:21,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079220335] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:15:21,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:15:21,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 118 [2024-04-04 00:15:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123153112] [2024-04-04 00:15:21,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:15:21,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-04-04 00:15:21,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:15:21,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-04-04 00:15:21,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=11915, Unknown=0, NotChecked=0, Total=13806 [2024-04-04 00:15:21,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:21,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:15:21,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 6.6525423728813555) internal successors, (785), 118 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:15:21,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:15:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:23,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 00:15:23,221 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 [2024-04-04 00:15:23,222 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:15:23,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:15:23,222 INFO L85 PathProgramCache]: Analyzing trace with hash 428163771, now seen corresponding path program 11 times [2024-04-04 00:15:23,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:15:23,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600353917] [2024-04-04 00:15:23,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:15:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:15:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:15:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 772 proven. 1106 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 00:15:24,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:15:24,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600353917] [2024-04-04 00:15:24,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600353917] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:15:24,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13846855] [2024-04-04 00:15:24,795 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:15:24,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:15:24,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:15:24,796 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:15:24,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 00:15:25,101 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-04-04 00:15:25,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:15:25,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 49 conjunts are in the unsatisfiable core [2024-04-04 00:15:25,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:15:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 1128 proven. 754 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 00:15:27,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:15:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 1067 proven. 815 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 00:15:30,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13846855] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:15:30,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:15:30,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 50, 49] total 141 [2024-04-04 00:15:30,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647337491] [2024-04-04 00:15:30,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:15:30,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-04-04 00:15:30,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:15:30,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-04-04 00:15:30,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3689, Invalid=16051, Unknown=0, NotChecked=0, Total=19740 [2024-04-04 00:15:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:30,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:15:30,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 6.929078014184397) internal successors, (977), 141 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:30,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:33,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:15:33,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:33,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:15:33,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 00:15:33,803 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 [2024-04-04 00:15:33,803 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:15:33,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:15:33,804 INFO L85 PathProgramCache]: Analyzing trace with hash -645880853, now seen corresponding path program 12 times [2024-04-04 00:15:33,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:15:33,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107626421] [2024-04-04 00:15:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:15:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:15:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:15:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 1093 proven. 1273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:15:39,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:15:39,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107626421] [2024-04-04 00:15:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107626421] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:15:39,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095695273] [2024-04-04 00:15:39,356 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:15:39,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:15:39,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:15:39,357 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:15:39,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 00:15:42,028 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2024-04-04 00:15:42,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:15:42,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 81 conjunts are in the unsatisfiable core [2024-04-04 00:15:42,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:15:46,326 INFO L349 Elim1Store]: treesize reduction 18, result has 14.3 percent of original size [2024-04-04 00:15:46,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 13 [2024-04-04 00:15:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 1078 proven. 1274 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-04 00:15:46,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:15:46,839 INFO L349 Elim1Store]: treesize reduction 10, result has 52.4 percent of original size [2024-04-04 00:15:46,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 23 [2024-04-04 00:15:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 362 proven. 1990 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-04 00:15:51,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095695273] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:15:51,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:15:51,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 61, 61] total 194 [2024-04-04 00:15:51,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420105943] [2024-04-04 00:15:51,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:15:51,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-04-04 00:15:51,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:15:51,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-04-04 00:15:51,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4056, Invalid=33386, Unknown=0, NotChecked=0, Total=37442 [2024-04-04 00:15:51,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:51,467 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:15:51,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 5.577319587628866) internal successors, (1082), 194 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:51,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:51,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:51,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:15:51,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:51,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:15:51,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:57,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:15:57,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:15:57,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:15:57,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:15:57,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 00:15:57,379 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 [2024-04-04 00:15:57,379 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:15:57,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:15:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1926439369, now seen corresponding path program 13 times [2024-04-04 00:15:57,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:15:57,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83488409] [2024-04-04 00:15:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:15:57,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:15:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:16:03,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 282 proven. 2221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:16:03,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:16:03,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83488409] [2024-04-04 00:16:03,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83488409] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:16:03,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25879459] [2024-04-04 00:16:03,426 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 00:16:03,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:16:03,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:16:03,427 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:16:03,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 00:16:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:16:03,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 148 conjunts are in the unsatisfiable core [2024-04-04 00:16:03,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:16:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 28 proven. 2475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:16:09,409 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:16:09,882 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-04 00:16:09,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-04-04 00:16:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 28 proven. 2475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:16:17,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25879459] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:16:17,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:16:17,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 75, 75] total 222 [2024-04-04 00:16:17,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608965800] [2024-04-04 00:16:17,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:16:17,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2024-04-04 00:16:17,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:16:17,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2024-04-04 00:16:17,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7250, Invalid=41812, Unknown=0, NotChecked=0, Total=49062 [2024-04-04 00:16:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:17,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:16:17,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 5.18018018018018) internal successors, (1150), 222 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:16:17,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:16:17,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:16:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:16:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:16:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:16:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:16:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:16:30,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 00:16:31,004 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 [2024-04-04 00:16:31,005 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:16:31,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:16:31,005 INFO L85 PathProgramCache]: Analyzing trace with hash -217252688, now seen corresponding path program 14 times [2024-04-04 00:16:31,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:16:31,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492936612] [2024-04-04 00:16:31,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:16:31,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:16:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:16:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3523 backedges. 1580 proven. 1921 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-04 00:16:33,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:16:33,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492936612] [2024-04-04 00:16:33,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492936612] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:16:33,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745734083] [2024-04-04 00:16:33,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:16:33,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:16:33,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:16:33,438 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) [2024-04-04 00:16:33,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 00:16:33,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:16:33,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:16:33,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-04 00:16:33,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:16:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3523 backedges. 2110 proven. 1387 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-04-04 00:16:36,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:16:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3523 backedges. 1884 proven. 1613 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-04-04 00:16:39,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745734083] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:16:39,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:16:39,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-04-04 00:16:39,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748193171] [2024-04-04 00:16:39,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:16:39,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-04-04 00:16:39,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:16:40,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-04-04 00:16:40,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4299, Invalid=28281, Unknown=0, NotChecked=0, Total=32580 [2024-04-04 00:16:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:40,027 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:16:40,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 6.430939226519337) internal successors, (1164), 181 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:40,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:16:40,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:16:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:16:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:16:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:16:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:16:43,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:16:43,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-04 00:16:43,348 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 [2024-04-04 00:16:43,348 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:16:43,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:16:43,349 INFO L85 PathProgramCache]: Analyzing trace with hash 523465724, now seen corresponding path program 15 times [2024-04-04 00:16:43,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:16:43,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585342129] [2024-04-04 00:16:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:16:43,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:16:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:16:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3676 backedges. 1070 proven. 2588 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 00:16:46,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:16:46,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585342129] [2024-04-04 00:16:46,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585342129] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:16:46,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955094757] [2024-04-04 00:16:46,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:16:46,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:16:46,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:16:46,090 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:16:46,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 00:16:51,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-04-04 00:16:51,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:16:51,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-04 00:16:51,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:16:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3676 backedges. 1712 proven. 1947 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-04 00:16:54,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:16:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3676 backedges. 1384 proven. 2275 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-04 00:16:58,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955094757] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:16:58,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:16:58,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 66, 66] total 195 [2024-04-04 00:16:58,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219172525] [2024-04-04 00:16:58,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:16:58,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-04-04 00:16:58,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:16:59,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-04-04 00:16:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3800, Invalid=34030, Unknown=0, NotChecked=0, Total=37830 [2024-04-04 00:16:59,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:59,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:16:59,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 6.466666666666667) internal successors, (1261), 195 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:16:59,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:16:59,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:16:59,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:16:59,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:16:59,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:16:59,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:16:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:17:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:17:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:17:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:17:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:17:05,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:17:05,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 00:17:05,623 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 [2024-04-04 00:17:05,624 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:17:05,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:17:05,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1723605176, now seen corresponding path program 16 times [2024-04-04 00:17:05,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:17:05,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447623563] [2024-04-04 00:17:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:17:05,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:17:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:17:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 2079 proven. 1742 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 00:17:08,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:17:08,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447623563] [2024-04-04 00:17:08,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447623563] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:17:08,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188838223] [2024-04-04 00:17:08,567 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:17:08,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:17:08,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:17:08,568 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:17:08,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 00:17:08,801 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:17:08,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:17:08,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-04 00:17:08,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:17:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 2120 proven. 1701 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 00:17:12,162 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:17:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 1893 proven. 1928 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 00:17:16,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188838223] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:17:16,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:17:16,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 199 [2024-04-04 00:17:16,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112468529] [2024-04-04 00:17:16,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:17:16,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 199 states [2024-04-04 00:17:16,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:17:16,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2024-04-04 00:17:16,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5617, Invalid=33785, Unknown=0, NotChecked=0, Total=39402 [2024-04-04 00:17:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:16,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:17:16,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 199 states, 199 states have (on average 6.2462311557788945) internal successors, (1243), 199 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:17:16,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:16,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:17:16,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:17:16,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:17:16,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:17:16,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:17:16,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:17:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:17:20,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 00:17:20,217 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 [2024-04-04 00:17:20,217 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:17:20,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:17:20,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1576386924, now seen corresponding path program 17 times [2024-04-04 00:17:20,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:17:20,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470425782] [2024-04-04 00:17:20,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:17:20,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:17:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:17:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 1838 proven. 2168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:17:28,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:17:28,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470425782] [2024-04-04 00:17:28,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470425782] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:17:28,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961325738] [2024-04-04 00:17:28,379 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:17:28,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:17:28,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:17:28,380 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:17:28,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 00:17:29,172 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-04-04 00:17:29,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:17:29,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 188 conjunts are in the unsatisfiable core [2024-04-04 00:17:29,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:17:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 28 proven. 3978 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:17:39,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:17:40,254 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-04 00:17:40,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-04-04 00:17:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4006 backedges. 28 proven. 3978 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:17:50,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961325738] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:17:50,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:17:50,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97, 91] total 279 [2024-04-04 00:17:50,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988570578] [2024-04-04 00:17:50,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:17:50,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 279 states [2024-04-04 00:17:50,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:17:50,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 279 interpolants. [2024-04-04 00:17:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13210, Invalid=64352, Unknown=0, NotChecked=0, Total=77562 [2024-04-04 00:17:50,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:50,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:17:50,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 279 states, 279 states have (on average 5.017921146953405) internal successors, (1400), 279 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:17:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:17:50,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:18:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:18:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:18:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-04-04 00:18:04,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 00:18:04,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-04 00:18:04,946 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:18:04,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:18:04,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1601772750, now seen corresponding path program 18 times [2024-04-04 00:18:04,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:18:04,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432420900] [2024-04-04 00:18:04,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:18:04,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:18:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:18:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 566 proven. 3617 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:18:13,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:18:13,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432420900] [2024-04-04 00:18:13,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432420900] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:18:13,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273586936] [2024-04-04 00:18:13,871 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:18:13,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:18:13,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:18:13,873 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:18:13,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 00:18:27,409 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2024-04-04 00:18:27,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:18:27,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 193 conjunts are in the unsatisfiable core [2024-04-04 00:18:27,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:18:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 6 proven. 4177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:18:36,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:18:37,345 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-04 00:18:37,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-04-04 00:18:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 28 proven. 4155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:18:46,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273586936] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:18:46,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:18:46,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 94] total 280 [2024-04-04 00:18:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890357114] [2024-04-04 00:18:46,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:18:46,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 280 states [2024-04-04 00:18:46,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:18:46,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 280 interpolants. [2024-04-04 00:18:46,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12439, Invalid=65681, Unknown=0, NotChecked=0, Total=78120 [2024-04-04 00:18:46,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:18:46,549 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:18:46,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 280 states, 280 states have (on average 4.992857142857143) internal successors, (1398), 280 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:18:46,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:18:46,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-04-04 00:18:46,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:19:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:19:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:19:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:19:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:19:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:19:07,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:19:07,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 00:19:07,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:19:07,553 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:19:07,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:19:07,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1944994717, now seen corresponding path program 19 times [2024-04-04 00:19:07,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:19:07,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518333917] [2024-04-04 00:19:07,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:19:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:19:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:19:11,629 INFO L134 CoverageAnalysis]: Checked inductivity of 7608 backedges. 2392 proven. 4939 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-04-04 00:19:11,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:19:11,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518333917] [2024-04-04 00:19:11,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518333917] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:19:11,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187725250] [2024-04-04 00:19:11,630 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 00:19:11,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:19:11,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:19:11,631 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:19:11,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-04 00:19:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:19:11,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 78 conjunts are in the unsatisfiable core [2024-04-04 00:19:11,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:19:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7608 backedges. 5004 proven. 2232 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-04-04 00:19:15,946 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:19:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 7608 backedges. 4637 proven. 2599 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-04-04 00:19:20,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187725250] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:19:20,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:19:20,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78, 78] total 226 [2024-04-04 00:19:20,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619461936] [2024-04-04 00:19:20,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:19:20,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 226 states [2024-04-04 00:19:20,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:19:21,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 226 interpolants. [2024-04-04 00:19:21,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6627, Invalid=44223, Unknown=0, NotChecked=0, Total=50850 [2024-04-04 00:19:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:21,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:19:21,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 226 states, 226 states have (on average 6.349557522123894) internal successors, (1435), 226 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:19:21,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:21,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:19:21,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:19:21,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:19:21,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:19:21,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:19:21,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:19:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:19:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:19:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:19:26,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:19:26,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-04 00:19:26,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-04-04 00:19:26,290 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:19:26,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:19:26,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1847568279, now seen corresponding path program 20 times [2024-04-04 00:19:26,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:19:26,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141686878] [2024-04-04 00:19:26,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:19:26,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:19:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:19:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 2620 proven. 4973 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-04-04 00:19:30,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:19:30,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141686878] [2024-04-04 00:19:30,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141686878] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:19:30,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647761186] [2024-04-04 00:19:30,629 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 00:19:30,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:19:30,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:19:30,630 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:19:30,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-04 00:19:30,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 00:19:30,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:19:30,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 81 conjunts are in the unsatisfiable core [2024-04-04 00:19:30,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:19:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 5086 proven. 2425 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-04 00:19:35,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:19:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 7801 backedges. 4782 proven. 2729 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-04 00:19:40,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647761186] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:19:40,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:19:40,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 235 [2024-04-04 00:19:40,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009490630] [2024-04-04 00:19:40,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:19:40,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2024-04-04 00:19:40,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:19:41,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2024-04-04 00:19:41,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7151, Invalid=47839, Unknown=0, NotChecked=0, Total=54990 [2024-04-04 00:19:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:41,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:19:41,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 235 states, 235 states have (on average 6.348936170212766) internal successors, (1492), 235 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:19:41,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:19:41,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:19:41,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:19:41,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:19:41,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:19:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:19:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:19:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:19:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:19:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:19:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:19:45,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-04 00:19:46,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-04-04 00:19:46,089 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:19:46,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:19:46,090 INFO L85 PathProgramCache]: Analyzing trace with hash -486990133, now seen corresponding path program 21 times [2024-04-04 00:19:46,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:19:46,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007788963] [2024-04-04 00:19:46,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:19:46,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:19:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:19:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 2813 proven. 5027 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-04-04 00:19:50,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:19:50,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007788963] [2024-04-04 00:19:50,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007788963] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:19:50,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263231071] [2024-04-04 00:19:50,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:19:50,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:19:50,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:19:50,659 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:19:50,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-04 00:20:01,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2024-04-04 00:20:01,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:20:01,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 200 conjunts are in the unsatisfiable core [2024-04-04 00:20:01,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:20:05,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-04-04 00:20:06,369 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 [2024-04-04 00:20:06,454 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 [2024-04-04 00:20:11,374 INFO L349 Elim1Store]: treesize reduction 28, result has 9.7 percent of original size [2024-04-04 00:20:11,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 16 [2024-04-04 00:20:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 2849 proven. 4621 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-04-04 00:20:11,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:20:25,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 00:20:25,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 88 [2024-04-04 00:20:25,899 INFO L349 Elim1Store]: treesize reduction 15, result has 51.6 percent of original size [2024-04-04 00:20:25,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 301 treesize of output 281 [2024-04-04 00:20:25,925 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2024-04-04 00:20:25,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 266 treesize of output 239 [2024-04-04 00:20:25,937 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2024-04-04 00:20:25,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 239 treesize of output 185 [2024-04-04 00:20:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8002 backedges. 10 proven. 7460 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-04-04 00:20:33,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263231071] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:20:33,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:20:33,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 103, 100] total 282 [2024-04-04 00:20:33,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861300585] [2024-04-04 00:20:33,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:20:33,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 282 states [2024-04-04 00:20:33,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:20:33,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 282 interpolants. [2024-04-04 00:20:33,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8440, Invalid=70612, Unknown=190, NotChecked=0, Total=79242 [2024-04-04 00:20:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:20:33,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:20:33,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 282 states, 282 states have (on average 5.673758865248227) internal successors, (1600), 282 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:20:33,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:20:33,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:20:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:20:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:20:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:20:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:20:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:20:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:20:56,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-04 00:20:57,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:20:57,132 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:20:57,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:20:57,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1548886527, now seen corresponding path program 22 times [2024-04-04 00:20:57,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:20:57,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069316890] [2024-04-04 00:20:57,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:20:57,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:20:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:21:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8211 backedges. 3245 proven. 4877 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-04-04 00:21:02,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:21:02,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069316890] [2024-04-04 00:21:02,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069316890] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:21:02,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878640978] [2024-04-04 00:21:02,090 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 00:21:02,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:21:02,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:21:02,092 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:21:02,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-04 00:21:02,413 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 00:21:02,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:21:02,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 87 conjunts are in the unsatisfiable core [2024-04-04 00:21:02,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:21:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8211 backedges. 5213 proven. 2835 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-04-04 00:21:07,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:21:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8211 backedges. 4795 proven. 3253 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-04-04 00:21:13,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878640978] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:21:13,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:21:13,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87, 87] total 253 [2024-04-04 00:21:13,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154304676] [2024-04-04 00:21:13,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:21:13,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2024-04-04 00:21:13,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:21:14,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2024-04-04 00:21:14,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8259, Invalid=55497, Unknown=0, NotChecked=0, Total=63756 [2024-04-04 00:21:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:14,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:21:14,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 253 states have (on average 6.308300395256917) internal successors, (1596), 253 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:21:14,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:21:14,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:21:19,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:21:19,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-04 00:21:19,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-04 00:21:19,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-04 00:21:19,710 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:21:19,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:21:19,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1474212147, now seen corresponding path program 23 times [2024-04-04 00:21:19,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:21:19,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712743021] [2024-04-04 00:21:19,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:21:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:21:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:21:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8428 backedges. 3460 proven. 4903 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-04-04 00:21:24,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:21:24,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712743021] [2024-04-04 00:21:24,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712743021] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:21:24,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306766389] [2024-04-04 00:21:24,803 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 00:21:24,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:21:24,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:21:24,804 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:21:24,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-04 00:21:26,473 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2024-04-04 00:21:26,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:21:26,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 95 conjunts are in the unsatisfiable core [2024-04-04 00:21:26,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:21:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8428 backedges. 5100 proven. 3296 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:21:32,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:21:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8428 backedges. 4919 proven. 3477 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:21:41,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306766389] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:21:41,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:21:41,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 96, 95] total 277 [2024-04-04 00:21:41,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767889502] [2024-04-04 00:21:41,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:21:41,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 277 states [2024-04-04 00:21:41,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:21:42,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 277 interpolants. [2024-04-04 00:21:42,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13948, Invalid=62504, Unknown=0, NotChecked=0, Total=76452 [2024-04-04 00:21:42,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:42,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:21:42,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 277 states, 277 states have (on average 6.490974729241877) internal successors, (1798), 277 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:42,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-04 00:21:42,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:21:51,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:21:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-04 00:21:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-04-04 00:21:51,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-04 00:21:51,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-04 00:21:51,849 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:21:51,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:21:51,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1514058039, now seen corresponding path program 24 times [2024-04-04 00:21:51,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:21:51,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958175512] [2024-04-04 00:21:51,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:21:51,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:21:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:21:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 9633 backedges. 5279 proven. 4322 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-04 00:21:58,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:21:58,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958175512] [2024-04-04 00:21:58,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958175512] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:21:58,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240688442] [2024-04-04 00:21:58,659 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 00:21:58,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:21:58,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:21:58,662 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:21:58,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-04 00:23:24,280 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 36 check-sat command(s) [2024-04-04 00:23:24,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:23:24,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 1420 conjuncts, 148 conjunts are in the unsatisfiable core [2024-04-04 00:23:24,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:23:35,832 INFO L349 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2024-04-04 00:23:35,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 156 treesize of output 43 [2024-04-04 00:23:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 9633 backedges. 5066 proven. 4547 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 00:23:35,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:23:42,736 INFO L349 Elim1Store]: treesize reduction 60, result has 49.6 percent of original size [2024-04-04 00:23:42,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 169 treesize of output 111 [2024-04-04 00:23:42,740 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-04 00:23:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9633 backedges. 1945 proven. 7668 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 00:23:52,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240688442] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:23:52,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:23:52,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 116, 116] total 330 [2024-04-04 00:23:52,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314718746] [2024-04-04 00:23:52,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:23:52,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 330 states [2024-04-04 00:23:52,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:23:53,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 330 interpolants. [2024-04-04 00:23:53,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15060, Invalid=93510, Unknown=0, NotChecked=0, Total=108570 [2024-04-04 00:23:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:23:53,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:23:53,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 330 states, 330 states have (on average 5.8545454545454545) internal successors, (1932), 330 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:23:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:23:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:23:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:23:53,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:23:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-04-04 00:23:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:24:11,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:24:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:24:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2024-04-04 00:24:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2024-04-04 00:24:11,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-04 00:24:11,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-04 00:24:11,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-04-04 00:24:11,923 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 00:24:11,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:24:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1714813837, now seen corresponding path program 25 times [2024-04-04 00:24:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:24:11,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112151314] [2024-04-04 00:24:11,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:24:11,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:24:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:25:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12988 backedges. 1454 proven. 11534 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 00:25:32,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:25:32,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112151314] [2024-04-04 00:25:32,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112151314] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:25:32,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209683616] [2024-04-04 00:25:32,983 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 00:25:32,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:25:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:25:32,985 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:25:32,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-04 00:26:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:26:21,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 193 conjunts are in the unsatisfiable core [2024-04-04 00:26:21,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:26:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12988 backedges. 0 proven. 8454 refuted. 0 times theorem prover too weak. 4534 trivial. 0 not checked. [2024-04-04 00:26:26,815 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:26:27,305 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-04 00:26:27,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-04-04 00:26:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12988 backedges. 0 proven. 3922 refuted. 0 times theorem prover too weak. 9066 trivial. 0 not checked. [2024-04-04 00:26:27,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209683616] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:26:27,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:26:27,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 45, 12] total 209 [2024-04-04 00:26:27,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688967634] [2024-04-04 00:26:27,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:26:27,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2024-04-04 00:26:27,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:26:28,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2024-04-04 00:26:28,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2428, Invalid=41044, Unknown=0, NotChecked=0, Total=43472 [2024-04-04 00:26:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:26:28,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:26:28,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 5.29665071770335) internal successors, (1107), 209 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 00:26:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-04 00:26:28,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-04 00:27:08,203 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:27:08,207 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:27:08,217 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:27:08,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-04 00:27:08,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-04 00:27:08,404 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 261 known predicates. [2024-04-04 00:27:08,406 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 00:27:08,406 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 00:27:08,406 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 00:27:08,410 INFO L445 BasicCegarLoop]: Path program histogram: [25, 2, 1, 1] [2024-04-04 00:27:08,413 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 00:27:08,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 00:27:08,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:27:08 BasicIcfg [2024-04-04 00:27:08,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 00:27:08,415 INFO L158 Benchmark]: Toolchain (without parser) took 775992.56ms. Allocated memory was 307.2MB in the beginning and 4.5GB in the end (delta: 4.2GB). Free memory was 236.7MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-04-04 00:27:08,415 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 00:27:08,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.07ms. Allocated memory is still 307.2MB. Free memory was 236.5MB in the beginning and 224.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 00:27:08,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.07ms. Allocated memory is still 307.2MB. Free memory was 224.4MB in the beginning and 222.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 00:27:08,416 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 307.2MB. Free memory was 222.3MB in the beginning and 220.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 00:27:08,416 INFO L158 Benchmark]: RCFGBuilder took 678.24ms. Allocated memory is still 307.2MB. Free memory was 220.6MB in the beginning and 268.8MB in the end (delta: -48.2MB). Peak memory consumption was 27.8MB. Max. memory is 8.0GB. [2024-04-04 00:27:08,416 INFO L158 Benchmark]: TraceAbstraction took 774974.61ms. Allocated memory was 307.2MB in the beginning and 4.5GB in the end (delta: 4.2GB). Free memory was 267.3MB in the beginning and 3.1GB in the end (delta: -2.8GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-04-04 00:27:08,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 272.07ms. Allocated memory is still 307.2MB. Free memory was 236.5MB in the beginning and 224.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.07ms. Allocated memory is still 307.2MB. Free memory was 224.4MB in the beginning and 222.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 307.2MB. Free memory was 222.3MB in the beginning and 220.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 678.24ms. Allocated memory is still 307.2MB. Free memory was 220.6MB in the beginning and 268.8MB in the end (delta: -48.2MB). Peak memory consumption was 27.8MB. Max. memory is 8.0GB. * TraceAbstraction took 774974.61ms. Allocated memory was 307.2MB in the beginning and 4.5GB in the end (delta: 4.2GB). Free memory was 267.3MB in the beginning and 3.1GB in the end (delta: -2.8GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 38532, independent: 31144, independent conditional: 31144, independent unconditional: 0, dependent: 7388, dependent conditional: 7387, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31386, independent: 31144, independent conditional: 31144, independent unconditional: 0, dependent: 242, dependent conditional: 242, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31386, independent: 31144, independent conditional: 31144, independent unconditional: 0, dependent: 242, dependent conditional: 242, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31386, independent: 31144, independent conditional: 31144, independent unconditional: 0, dependent: 242, dependent conditional: 242, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34171, independent: 31144, independent conditional: 8367, independent unconditional: 22777, dependent: 3027, dependent conditional: 2543, dependent unconditional: 484, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34171, independent: 31144, independent conditional: 2539, independent unconditional: 28605, dependent: 3027, dependent conditional: 1916, dependent unconditional: 1111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34171, independent: 31144, independent conditional: 2539, independent unconditional: 28605, dependent: 3027, dependent conditional: 1916, dependent unconditional: 1111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 253, independent conditional: 48, independent unconditional: 205, dependent: 61, dependent conditional: 59, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 61, dependent conditional: 59, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 61, dependent conditional: 59, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, independent: 8, independent conditional: 7, independent unconditional: 2, dependent: 228, dependent conditional: 182, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34171, independent: 30891, independent conditional: 2491, independent unconditional: 28400, dependent: 2966, dependent conditional: 1857, dependent unconditional: 1109, unknown: 314, unknown conditional: 107, unknown unconditional: 207] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 253, Positive conditional cache size: 48, Positive unconditional cache size: 205, Negative cache size: 61, Negative conditional cache size: 59, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6455, Maximal queried relation: 15, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34171, independent: 31144, independent conditional: 8367, independent unconditional: 22777, dependent: 3027, dependent conditional: 2543, dependent unconditional: 484, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34171, independent: 31144, independent conditional: 2539, independent unconditional: 28605, dependent: 3027, dependent conditional: 1916, dependent unconditional: 1111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34171, independent: 31144, independent conditional: 2539, independent unconditional: 28605, dependent: 3027, dependent conditional: 1916, dependent unconditional: 1111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 253, independent conditional: 48, independent unconditional: 205, dependent: 61, dependent conditional: 59, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 61, dependent conditional: 59, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 61, dependent conditional: 59, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, independent: 8, independent conditional: 7, independent unconditional: 2, dependent: 228, dependent conditional: 182, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34171, independent: 30891, independent conditional: 2491, independent unconditional: 28400, dependent: 2966, dependent conditional: 1857, dependent unconditional: 1109, unknown: 314, unknown conditional: 107, unknown unconditional: 207] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 253, Positive conditional cache size: 48, Positive unconditional cache size: 205, Negative cache size: 61, Negative conditional cache size: 59, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6455 ], Independence queries for same thread: 7146 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 261 known predicates. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 261 known predicates. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 261 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 163 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 774.8s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 25, EmptinessCheckTime: 194.8s, 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: 2221, 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: 1.2s SsaConstructionTime, 174.4s SatisfiabilityAnalysisTime, 389.2s InterpolantComputationTime, 23052 NumberOfCodeBlocks, 22785 NumberOfCodeBlocksAsserted, 286 NumberOfCheckSat, 34377 ConstructedInterpolants, 465 QuantifiedInterpolants, 349544 SizeOfPredicates, 1037 NumberOfNonLiveVariables, 22363 ConjunctsInSsa, 2128 ConjunctsInUnsatCore, 83 InterpolantComputations, 2 PerfectInterpolantSequences, 124843/290498 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown