/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 02:57:38,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 02:57:38,923 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 02:57:38,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 02:57:38,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 02:57:38,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 02:57:38,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 02:57:38,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 02:57:38,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 02:57:38,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 02:57:38,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 02:57:38,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 02:57:38,955 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 02:57:38,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 02:57:38,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 02:57:38,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 02:57:38,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 02:57:38,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 02:57:38,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 02:57:38,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 02:57:38,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 02:57:38,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 02:57:38,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 02:57:38,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 02:57:38,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 02:57:38,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 02:57:38,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 02:57:38,958 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 02:57:38,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 02:57:38,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 02:57:38,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 02:57:38,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 02:57:38,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 02:57:38,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 02:57:38,959 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 02:57:38,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 02:57:38,960 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 02:57:38,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 02:57:38,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 02:57:38,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 02:57:39,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 02:57:39,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 02:57:39,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 02:57:39,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 02:57:39,190 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 02:57:39,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-04-04 02:57:40,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 02:57:40,512 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 02:57:40,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-04-04 02:57:40,518 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/867399aa0/7be86dd28a0845d4b8d916f53f30176e/FLAG971f8983d [2024-04-04 02:57:40,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/867399aa0/7be86dd28a0845d4b8d916f53f30176e [2024-04-04 02:57:40,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 02:57:40,531 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 02:57:40,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 02:57:40,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 02:57:40,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 02:57:40,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178a95a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40, skipping insertion in model container [2024-04-04 02:57:40,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 02:57:40,676 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-bad-dot-product.wvr.c[2865,2878] [2024-04-04 02:57:40,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 02:57:40,699 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 02:57:40,714 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c[2865,2878] [2024-04-04 02:57:40,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 02:57:40,722 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 02:57:40,723 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 02:57:40,728 INFO L206 MainTranslator]: Completed translation [2024-04-04 02:57:40,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40 WrapperNode [2024-04-04 02:57:40,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 02:57:40,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 02:57:40,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 02:57:40,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 02:57:40,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,759 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 287 [2024-04-04 02:57:40,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 02:57:40,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 02:57:40,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 02:57:40,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 02:57:40,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 02:57:40,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 02:57:40,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 02:57:40,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 02:57:40,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (1/1) ... [2024-04-04 02:57:40,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 02:57:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:57:40,842 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 02:57:40,859 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 02:57:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 02:57:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 02:57:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 02:57:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 02:57:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 02:57:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 02:57:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 02:57:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 02:57:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 02:57:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 02:57:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 02:57:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 02:57:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 02:57:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 02:57:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 02:57:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 02:57:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 02:57:40,888 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 02:57:41,001 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 02:57:41,002 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 02:57:41,381 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 02:57:41,501 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 02:57:41,501 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-04-04 02:57:41,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:57:41 BoogieIcfgContainer [2024-04-04 02:57:41,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 02:57:41,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 02:57:41,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 02:57:41,507 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 02:57:41,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 02:57:40" (1/3) ... [2024-04-04 02:57:41,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6d7fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:57:41, skipping insertion in model container [2024-04-04 02:57:41,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:40" (2/3) ... [2024-04-04 02:57:41,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6d7fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:57:41, skipping insertion in model container [2024-04-04 02:57:41,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:57:41" (3/3) ... [2024-04-04 02:57:41,509 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-04-04 02:57:41,515 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 02:57:41,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 02:57:41,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 02:57:41,549 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 02:57:41,596 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 02:57:41,627 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 02:57:41,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 02:57:41,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:57:41,629 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 02:57:41,642 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 02:57:41,659 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 02:57:41,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:57:41,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 02:57:41,673 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;@7a45bec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 02:57:41,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 02:57:46,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:57:46,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:57:46,650 INFO L85 PathProgramCache]: Analyzing trace with hash -975437117, now seen corresponding path program 1 times [2024-04-04 02:57:46,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:57:46,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579821132] [2024-04-04 02:57:46,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:57:46,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:57:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:57:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-04-04 02:57:46,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:57:46,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579821132] [2024-04-04 02:57:46,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579821132] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 02:57:46,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 02:57:46,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 02:57:46,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529367823] [2024-04-04 02:57:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 02:57:46,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 02:57:46,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:57:47,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 02:57:47,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 02:57:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:47,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:57:47,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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 02:57:47,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:50,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 02:57:50,018 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:57:50,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:57:50,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1175966979, now seen corresponding path program 1 times [2024-04-04 02:57:50,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:57:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134825101] [2024-04-04 02:57:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:57:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:57:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:57:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-04 02:57:50,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:57:50,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134825101] [2024-04-04 02:57:50,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134825101] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 02:57:50,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 02:57:50,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 02:57:50,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660609504] [2024-04-04 02:57:50,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 02:57:50,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 02:57:50,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:57:50,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 02:57:50,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-04 02:57:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:50,315 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:57:50,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 7 states have internal predecessors, (205), 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 02:57:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:50,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:57:52,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 02:57:52,897 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:57:52,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:57:52,898 INFO L85 PathProgramCache]: Analyzing trace with hash -760110973, now seen corresponding path program 1 times [2024-04-04 02:57:52,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:57:52,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452233272] [2024-04-04 02:57:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:57:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:57:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:57:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-04-04 02:57:53,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:57:53,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452233272] [2024-04-04 02:57:53,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452233272] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:57:53,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131436092] [2024-04-04 02:57:53,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:57:53,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:57:53,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:57:53,322 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 02:57:53,353 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 02:57:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:57:53,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 02:57:53,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:57:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-04-04 02:57:53,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 02:57:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-04-04 02:57:53,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131436092] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 02:57:53,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 02:57:53,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-04-04 02:57:53,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79837435] [2024-04-04 02:57:53,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 02:57:53,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-04 02:57:53,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:57:53,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-04 02:57:53,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-04-04 02:57:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:53,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:57:53,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.4) internal successors, (335), 25 states have internal predecessors, (335), 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 02:57:53,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:53,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:57:53,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:57:57,128 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 02:57:57,316 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 02:57:57,317 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:57:57,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:57:57,321 INFO L85 PathProgramCache]: Analyzing trace with hash -184012791, now seen corresponding path program 2 times [2024-04-04 02:57:57,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:57:57,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856508038] [2024-04-04 02:57:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:57:57,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:57:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:57:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-04 02:57:57,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:57:57,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856508038] [2024-04-04 02:57:57,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856508038] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:57:57,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86387976] [2024-04-04 02:57:57,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 02:57:57,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:57:57,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:57:57,689 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 02:57:57,718 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 02:57:57,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 02:57:57,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 02:57:57,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 02:57:57,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:57:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-04 02:57:58,335 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 02:57:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 115 proven. 10 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-04 02:57:58,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86387976] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 02:57:58,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 02:57:58,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-04-04 02:57:58,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10217048] [2024-04-04 02:57:58,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 02:57:58,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 02:57:58,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:57:58,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 02:57:58,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2024-04-04 02:57:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:58,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:57:58,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 12.444444444444445) internal successors, (448), 36 states have internal predecessors, (448), 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 02:57:58,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:57:58,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:57:58,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:57:58,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:01,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:58:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:58:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:58:01,625 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 02:58:01,825 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 02:58:01,826 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:58:01,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:58:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash 926013839, now seen corresponding path program 3 times [2024-04-04 02:58:01,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:58:01,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939149392] [2024-04-04 02:58:01,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:58:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:58:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:58:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 112 proven. 72 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 02:58:02,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:58:02,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939149392] [2024-04-04 02:58:02,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939149392] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:58:02,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578991080] [2024-04-04 02:58:02,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 02:58:02,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:58:02,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:58:02,287 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 02:58:02,317 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 02:58:02,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 02:58:02,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 02:58:02,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-04 02:58:02,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:58:02,876 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 25 treesize of output 9 [2024-04-04 02:58:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 75 proven. 32 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-04-04 02:58:02,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 02:58:03,066 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 25 treesize of output 9 [2024-04-04 02:58:03,281 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 73 proven. 34 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-04-04 02:58:03,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578991080] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 02:58:03,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 02:58:03,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 39 [2024-04-04 02:58:03,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026162147] [2024-04-04 02:58:03,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 02:58:03,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 02:58:03,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:58:03,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 02:58:03,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1360, Unknown=0, NotChecked=0, Total=1482 [2024-04-04 02:58:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:03,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:58:03,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 15.692307692307692) internal successors, (612), 39 states have internal predecessors, (612), 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 02:58:03,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:03,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:58:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:58:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:58:03,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:58:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:58:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:58:06,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 02:58:06,670 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 02:58:06,867 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 02:58:06,868 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:58:06,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:58:06,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1715248266, now seen corresponding path program 1 times [2024-04-04 02:58:06,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:58:06,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007295467] [2024-04-04 02:58:06,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:58:06,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:58:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:58:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-04-04 02:58:07,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:58:07,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007295467] [2024-04-04 02:58:07,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007295467] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:58:07,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546860189] [2024-04-04 02:58:07,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:58:07,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:58:07,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:58:07,445 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 02:58:07,491 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 02:58:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:58:07,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-04 02:58:07,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:58:07,907 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 23 treesize of output 7 [2024-04-04 02:58:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-04-04 02:58:07,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 02:58:08,031 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 25 treesize of output 9 [2024-04-04 02:58:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 73 proven. 35 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-04-04 02:58:08,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546860189] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 02:58:08,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 02:58:08,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-04-04 02:58:08,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50738010] [2024-04-04 02:58:08,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 02:58:08,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 02:58:08,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:58:08,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 02:58:08,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=931, Unknown=0, NotChecked=0, Total=1056 [2024-04-04 02:58:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:08,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:58:08,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 11.121212121212121) internal successors, (367), 33 states have internal predecessors, (367), 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 02:58:08,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:58:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:58:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:58:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 02:58:08,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:58:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:58:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:58:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 02:58:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 02:58:10,960 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 02:58:11,160 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 02:58:11,160 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:58:11,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:58:11,161 INFO L85 PathProgramCache]: Analyzing trace with hash 400177367, now seen corresponding path program 2 times [2024-04-04 02:58:11,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:58:11,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99155361] [2024-04-04 02:58:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:58:11,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:58:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:58:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 41 proven. 172 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 02:58:13,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:58:13,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99155361] [2024-04-04 02:58:13,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99155361] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:58:13,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851834580] [2024-04-04 02:58:13,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 02:58:13,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:58:13,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:58:13,419 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 02:58:13,424 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 02:58:13,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 02:58:13,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 02:58:13,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 55 conjunts are in the unsatisfiable core [2024-04-04 02:58:13,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:58:15,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:58:15,673 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 21 treesize of output 15 [2024-04-04 02:58:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 6 proven. 215 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:58:15,774 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 02:58:16,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 02:58:16,832 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 19 [2024-04-04 02:58:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 57 proven. 164 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-04 02:58:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851834580] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 02:58:17,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 02:58:17,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 36, 36] total 101 [2024-04-04 02:58:17,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148012151] [2024-04-04 02:58:17,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 02:58:17,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-04 02:58:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:58:17,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-04 02:58:17,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=581, Invalid=9519, Unknown=0, NotChecked=0, Total=10100 [2024-04-04 02:58:17,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:17,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:58:17,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 8.148514851485148) internal successors, (823), 101 states have internal predecessors, (823), 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 02:58:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:58:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:58:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:58:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:58:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 02:58:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 02:58:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:59:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:59:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:59:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:59:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:59:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 02:59:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 02:59:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 734 states. [2024-04-04 02:59:50,067 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 02:59:50,265 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 02:59:50,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 02:59:50,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 02:59:50,268 INFO L85 PathProgramCache]: Analyzing trace with hash -532175629, now seen corresponding path program 1 times [2024-04-04 02:59:50,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 02:59:50,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36919691] [2024-04-04 02:59:50,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:59:50,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 02:59:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:59:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 1557 proven. 151 refuted. 0 times theorem prover too weak. 1354 trivial. 0 not checked. [2024-04-04 02:59:51,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 02:59:51,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36919691] [2024-04-04 02:59:51,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36919691] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 02:59:51,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144638350] [2024-04-04 02:59:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 02:59:51,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 02:59:51,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 02:59:51,637 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 02:59:51,639 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 02:59:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 02:59:51,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-04 02:59:51,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 02:59:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 985 proven. 99 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2024-04-04 02:59:52,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 02:59:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3062 backedges. 1032 proven. 52 refuted. 0 times theorem prover too weak. 1978 trivial. 0 not checked. [2024-04-04 02:59:53,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144638350] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 02:59:53,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 02:59:53,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 61 [2024-04-04 02:59:53,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772467612] [2024-04-04 02:59:53,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 02:59:53,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-04 02:59:53,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 02:59:53,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-04 02:59:53,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=3224, Unknown=0, NotChecked=0, Total=3660 [2024-04-04 02:59:53,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:59:53,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 02:59:53,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 12.819672131147541) internal successors, (782), 61 states have internal predecessors, (782), 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 02:59:53,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 02:59:53,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 02:59:53,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 02:59:53,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 02:59:53,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 02:59:53,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 02:59:53,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 734 states. [2024-04-04 02:59:53,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:00:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:00:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:00:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 03:00:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 03:00:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 03:00:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 03:00:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 734 states. [2024-04-04 03:00:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:00:12,747 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 03:00:12,947 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 03:00:12,947 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 03:00:12,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:00:12,947 INFO L85 PathProgramCache]: Analyzing trace with hash 101707309, now seen corresponding path program 2 times [2024-04-04 03:00:12,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:00:12,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690870633] [2024-04-04 03:00:12,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:00:12,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:00:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:00:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1793 proven. 210 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2024-04-04 03:00:14,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:00:14,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690870633] [2024-04-04 03:00:14,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690870633] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:00:14,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684165662] [2024-04-04 03:00:14,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 03:00:14,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:00:14,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:00:14,211 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 03:00:14,213 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 03:00:14,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 03:00:14,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:00:14,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 03:00:14,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:00:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1253 proven. 142 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2024-04-04 03:00:15,437 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:00:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3095 backedges. 1310 proven. 85 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2024-04-04 03:00:16,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684165662] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:00:16,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:00:16,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-04-04 03:00:16,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731715947] [2024-04-04 03:00:16,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:00:16,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-04 03:00:16,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:00:16,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-04 03:00:16,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=645, Invalid=4611, Unknown=0, NotChecked=0, Total=5256 [2024-04-04 03:00:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:00:16,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:00:16,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 12.356164383561644) internal successors, (902), 73 states have internal predecessors, (902), 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 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 734 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:00:16,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 734 states. [2024-04-04 03:00:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:00:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 03:00:35,897 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 03:00:36,097 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 03:00:36,098 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 03:00:36,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:00:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash -16753305, now seen corresponding path program 3 times [2024-04-04 03:00:36,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:00:36,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182027501] [2024-04-04 03:00:36,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:00:36,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:00:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:00:37,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 2055 proven. 289 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-04-04 03:00:37,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:00:37,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182027501] [2024-04-04 03:00:37,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182027501] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:00:37,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352733909] [2024-04-04 03:00:37,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 03:00:37,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:00:37,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:00:37,769 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 03:00:37,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process