/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 RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 05:39:19,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 05:39:19,421 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 05:39:19,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 05:39:19,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 05:39:19,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 05:39:19,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 05:39:19,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 05:39:19,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 05:39:19,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 05:39:19,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 05:39:19,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 05:39:19,468 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 05:39:19,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 05:39:19,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 05:39:19,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 05:39:19,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 05:39:19,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 05:39:19,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 05:39:19,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 05:39:19,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 05:39:19,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 05:39:19,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 05:39:19,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 05:39:19,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 05:39:19,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 05:39:19,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 05:39:19,472 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 05:39:19,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 05:39:19,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:39:19,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 05:39:19,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 05:39:19,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 05:39:19,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 05:39:19,474 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 05:39:19,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 05:39:19,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 05:39:19,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 05:39:19,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 05:39:19,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 05:39:19,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 05:39:19,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 05:39:19,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 05:39:19,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 05:39:19,710 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 05:39:19,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-04-05 05:39:20,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 05:39:21,084 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 05:39:21,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-04-05 05:39:21,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f40148e8e/eeae3264fc6d49be8142911790feb44b/FLAG9a2a55292 [2024-04-05 05:39:21,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f40148e8e/eeae3264fc6d49be8142911790feb44b [2024-04-05 05:39:21,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 05:39:21,107 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 05:39:21,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 05:39:21,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 05:39:21,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 05:39:21,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22347004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21, skipping insertion in model container [2024-04-05 05:39:21,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 05:39:21,308 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/parallel-misc-1.wvr.c[2755,2768] [2024-04-05 05:39:21,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:39:21,332 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 05:39:21,359 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/parallel-misc-1.wvr.c[2755,2768] [2024-04-05 05:39:21,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 05:39:21,379 INFO L206 MainTranslator]: Completed translation [2024-04-05 05:39:21,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21 WrapperNode [2024-04-05 05:39:21,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 05:39:21,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 05:39:21,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 05:39:21,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 05:39:21,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,415 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 287 [2024-04-05 05:39:21,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 05:39:21,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 05:39:21,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 05:39:21,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 05:39:21,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 05:39:21,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 05:39:21,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 05:39:21,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 05:39:21,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (1/1) ... [2024-04-05 05:39:21,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 05:39:21,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:21,488 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) [2024-04-05 05:39:21,497 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 [2024-04-05 05:39:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 05:39:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 05:39:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 05:39:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 05:39:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 05:39:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 05:39:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 05:39:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 05:39:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 05:39:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 05:39:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 05:39:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 05:39:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 05:39:21,526 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 05:39:21,600 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 05:39:21,602 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 05:39:21,989 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 05:39:22,010 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 05:39:22,011 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 05:39:22,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:39:22 BoogieIcfgContainer [2024-04-05 05:39:22,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 05:39:22,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 05:39:22,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 05:39:22,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 05:39:22,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:39:21" (1/3) ... [2024-04-05 05:39:22,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4372aba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:39:22, skipping insertion in model container [2024-04-05 05:39:22,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:39:21" (2/3) ... [2024-04-05 05:39:22,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4372aba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:39:22, skipping insertion in model container [2024-04-05 05:39:22,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:39:22" (3/3) ... [2024-04-05 05:39:22,036 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-04-05 05:39:22,042 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 05:39:22,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 05:39:22,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 05:39:22,060 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 05:39:22,180 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 05:39:22,230 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 05:39:22,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 05:39:22,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:22,239 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) [2024-04-05 05:39:22,240 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 [2024-04-05 05:39:22,285 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 05:39:22,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:22,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 05:39:22,308 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;@207f672b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-05 05:39:22,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 05:39:23,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:23,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:23,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1685970565, now seen corresponding path program 1 times [2024-04-05 05:39:23,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:23,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853966203] [2024-04-05 05:39:23,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:23,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:39:23,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:23,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853966203] [2024-04-05 05:39:23,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853966203] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 05:39:23,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 05:39:23,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 05:39:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270730499] [2024-04-05 05:39:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:39:23,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 05:39:23,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:23,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 05:39:23,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 05:39:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:23,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:23,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 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) [2024-04-05 05:39:23,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:24,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 05:39:24,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:24,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1863192959, now seen corresponding path program 1 times [2024-04-05 05:39:24,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:24,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639434722] [2024-04-05 05:39:24,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:24,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:25,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:25,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639434722] [2024-04-05 05:39:25,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639434722] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 05:39:25,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 05:39:25,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-04-05 05:39:25,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821206465] [2024-04-05 05:39:25,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:39:25,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-05 05:39:25,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:25,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-05 05:39:25,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-04-05 05:39:25,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:25,432 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:25,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.0) internal successors, (225), 9 states have internal predecessors, (225), 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) [2024-04-05 05:39:25,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:26,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:26,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:26,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 05:39:26,332 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:26,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:26,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1156448313, now seen corresponding path program 1 times [2024-04-05 05:39:26,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:26,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923880074] [2024-04-05 05:39:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:26,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:26,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:26,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923880074] [2024-04-05 05:39:26,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923880074] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:26,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409422853] [2024-04-05 05:39:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:26,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:26,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:26,738 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) [2024-04-05 05:39:26,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 05:39:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:26,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 05:39:26,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:27,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:27,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409422853] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:27,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-05 05:39:27,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2024-04-05 05:39:27,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108282684] [2024-04-05 05:39:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 05:39:27,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-05 05:39:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:27,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-05 05:39:27,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-04-05 05:39:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:27,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:27,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 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) [2024-04-05 05:39:27,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:27,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:27,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:27,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:27,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:27,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:27,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 05:39:27,907 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 [2024-04-05 05:39:27,908 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:27,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:27,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1315049597, now seen corresponding path program 1 times [2024-04-05 05:39:27,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:27,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966588353] [2024-04-05 05:39:27,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:27,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:28,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:28,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966588353] [2024-04-05 05:39:28,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966588353] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:28,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939813164] [2024-04-05 05:39:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:28,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:28,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:28,446 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) [2024-04-05 05:39:28,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 05:39:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:28,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 05:39:28,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:29,039 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:29,040 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:29,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939813164] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:39:29,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:39:29,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2024-04-05 05:39:29,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860992937] [2024-04-05 05:39:29,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:39:29,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-05 05:39:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:29,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-05 05:39:29,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2024-04-05 05:39:29,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:29,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:29,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.571428571428573) internal successors, (520), 28 states have internal predecessors, (520), 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) [2024-04-05 05:39:29,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:29,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:29,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 05:39:29,979 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 [2024-04-05 05:39:29,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:29,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:29,979 INFO L85 PathProgramCache]: Analyzing trace with hash -963921609, now seen corresponding path program 2 times [2024-04-05 05:39:29,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:29,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254850933] [2024-04-05 05:39:29,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:30,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:30,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254850933] [2024-04-05 05:39:30,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254850933] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:30,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338854497] [2024-04-05 05:39:30,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 05:39:30,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:30,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:30,430 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) [2024-04-05 05:39:30,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 05:39:30,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 05:39:30,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:39:30,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 05:39:30,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:31,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:31,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338854497] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:39:31,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:39:31,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2024-04-05 05:39:31,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515115955] [2024-04-05 05:39:31,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:39:31,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-05 05:39:31,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:31,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-05 05:39:31,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2024-04-05 05:39:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:31,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:31,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 20.857142857142858) internal successors, (584), 28 states have internal predecessors, (584), 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) [2024-04-05 05:39:31,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:31,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:31,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:31,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:31,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:32,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:32,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 05:39:32,977 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 [2024-04-05 05:39:32,977 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:32,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:32,978 INFO L85 PathProgramCache]: Analyzing trace with hash -250632837, now seen corresponding path program 3 times [2024-04-05 05:39:32,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:32,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832549173] [2024-04-05 05:39:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 229 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:33,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832549173] [2024-04-05 05:39:33,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832549173] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:33,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108395076] [2024-04-05 05:39:33,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 05:39:33,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:33,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:33,665 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) [2024-04-05 05:39:33,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 05:39:33,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 05:39:33,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:39:33,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 05:39:33,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 174 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:34,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 229 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:35,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108395076] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:39:35,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:39:35,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 38 [2024-04-05 05:39:35,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380743771] [2024-04-05 05:39:35,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:39:35,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-05 05:39:35,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:35,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-05 05:39:35,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1167, Unknown=0, NotChecked=0, Total=1406 [2024-04-05 05:39:35,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:35,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:35,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 20.210526315789473) internal successors, (768), 38 states have internal predecessors, (768), 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) [2024-04-05 05:39:35,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:36,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:36,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:36,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:36,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:36,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:36,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:36,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-05 05:39:36,644 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 [2024-04-05 05:39:36,646 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:36,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:36,646 INFO L85 PathProgramCache]: Analyzing trace with hash 809306165, now seen corresponding path program 4 times [2024-04-05 05:39:36,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:36,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246628255] [2024-04-05 05:39:36,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:36,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 112 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-04-05 05:39:37,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:37,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246628255] [2024-04-05 05:39:37,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246628255] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:37,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452274778] [2024-04-05 05:39:37,238 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 05:39:37,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:37,250 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) [2024-04-05 05:39:37,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 05:39:37,400 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 05:39:37,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:39:37,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 05:39:37,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 13 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:38,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 30 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:38,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452274778] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:39:39,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:39:39,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17, 17] total 37 [2024-04-05 05:39:39,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267052666] [2024-04-05 05:39:39,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:39:39,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 05:39:39,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:39,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 05:39:39,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1141, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 05:39:39,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:39,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:39,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 26.43243243243243) internal successors, (978), 37 states have internal predecessors, (978), 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) [2024-04-05 05:39:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:39,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:39:42,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 05:39:42,880 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 [2024-04-05 05:39:42,880 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:42,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:42,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1171285431, now seen corresponding path program 5 times [2024-04-05 05:39:42,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:42,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347227728] [2024-04-05 05:39:42,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:42,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 511 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:43,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:43,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347227728] [2024-04-05 05:39:43,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347227728] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:43,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208090745] [2024-04-05 05:39:43,872 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 05:39:43,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:43,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:43,873 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) [2024-04-05 05:39:43,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 05:39:44,054 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-05 05:39:44,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:39:44,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-05 05:39:44,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 289 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:45,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 511 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:45,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208090745] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:39:45,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:39:45,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 48 [2024-04-05 05:39:45,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135569218] [2024-04-05 05:39:45,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:39:45,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-05 05:39:45,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:45,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-05 05:39:45,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1895, Unknown=0, NotChecked=0, Total=2256 [2024-04-05 05:39:45,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:45,748 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:45,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 21.791666666666668) internal successors, (1046), 48 states have internal predecessors, (1046), 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) [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:39:45,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:47,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:39:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:39:47,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 05:39:48,049 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 [2024-04-05 05:39:48,049 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:48,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:48,050 INFO L85 PathProgramCache]: Analyzing trace with hash 716931697, now seen corresponding path program 6 times [2024-04-05 05:39:48,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:48,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475878323] [2024-04-05 05:39:48,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:48,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 183 proven. 379 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:39:48,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:48,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475878323] [2024-04-05 05:39:48,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475878323] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:48,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744965262] [2024-04-05 05:39:48,978 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 05:39:48,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:48,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:48,980 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) [2024-04-05 05:39:48,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 05:39:49,182 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-05 05:39:49,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:39:49,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-05 05:39:49,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 198 proven. 364 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:39:49,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 55 proven. 508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:50,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744965262] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:39:50,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:39:50,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 24] total 51 [2024-04-05 05:39:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366309132] [2024-04-05 05:39:50,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:39:50,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-04-05 05:39:50,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:50,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-04-05 05:39:50,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2024-04-05 05:39:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:50,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:50,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 21.19607843137255) internal successors, (1081), 51 states have internal predecessors, (1081), 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) [2024-04-05 05:39:50,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:50,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:50,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:50,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:50,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:50,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:50,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:39:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:39:50,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:39:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:39:52,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 05:39:53,034 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 [2024-04-05 05:39:53,034 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:53,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:53,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1459824309, now seen corresponding path program 7 times [2024-04-05 05:39:53,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:53,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821753691] [2024-04-05 05:39:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 905 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:54,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:54,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821753691] [2024-04-05 05:39:54,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821753691] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:54,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044101927] [2024-04-05 05:39:54,139 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 05:39:54,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:54,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:54,140 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) [2024-04-05 05:39:54,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 05:39:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:54,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-05 05:39:54,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:39:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 573 proven. 384 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:55,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:39:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 905 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:39:56,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044101927] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:39:56,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:39:56,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-04-05 05:39:56,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444606110] [2024-04-05 05:39:56,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:39:56,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-05 05:39:56,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:39:56,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-05 05:39:56,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=2797, Unknown=0, NotChecked=0, Total=3306 [2024-04-05 05:39:56,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:56,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:39:56,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 22.310344827586206) internal successors, (1294), 58 states have internal predecessors, (1294), 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) [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:39:56,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:39:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:39:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:39:57,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 05:39:58,044 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 [2024-04-05 05:39:58,045 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:39:58,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:39:58,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2053504367, now seen corresponding path program 8 times [2024-04-05 05:39:58,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:39:58,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940862413] [2024-04-05 05:39:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:39:58,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:39:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:39:59,121 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 258 proven. 731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:39:59,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:39:59,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940862413] [2024-04-05 05:39:59,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940862413] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:39:59,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123191242] [2024-04-05 05:39:59,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 05:39:59,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:39:59,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:39:59,123 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) [2024-04-05 05:39:59,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 05:39:59,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 05:39:59,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:39:59,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-05 05:39:59,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:40:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 280 proven. 709 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:40:00,660 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:40:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 313 proven. 676 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:40:01,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123191242] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:40:01,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:40:01,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-04-05 05:40:01,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051699310] [2024-04-05 05:40:01,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:40:01,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-05 05:40:01,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:40:01,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-05 05:40:01,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=2846, Unknown=0, NotChecked=0, Total=3306 [2024-04-05 05:40:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:01,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:40:01,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 21.93103448275862) internal successors, (1272), 58 states have internal predecessors, (1272), 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) [2024-04-05 05:40:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:40:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-05 05:40:04,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-05 05:40:04,515 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 [2024-04-05 05:40:04,515 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:40:04,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:40:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1600224691, now seen corresponding path program 9 times [2024-04-05 05:40:04,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:40:04,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171549284] [2024-04-05 05:40:04,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:40:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:40:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:40:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 1411 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:40:05,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:40:05,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171549284] [2024-04-05 05:40:05,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171549284] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:40:05,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78562701] [2024-04-05 05:40:05,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 05:40:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:40:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:40:05,753 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) [2024-04-05 05:40:05,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 05:40:06,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-05 05:40:06,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:40:06,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 61 conjunts are in the unsatisfiable core [2024-04-05 05:40:06,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:40:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 281 proven. 1215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:40:08,187 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:40:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:40:09,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78562701] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:40:09,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:40:09,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30, 33] total 88 [2024-04-05 05:40:09,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655385992] [2024-04-05 05:40:09,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:40:09,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-04-05 05:40:09,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:40:09,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-04-05 05:40:09,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=869, Invalid=6787, Unknown=0, NotChecked=0, Total=7656 [2024-04-05 05:40:09,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:09,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:40:09,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 25.420454545454547) internal successors, (2237), 88 states have internal predecessors, (2237), 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) [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-05 05:40:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-05 05:40:12,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 05:40:12,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-05 05:40:12,688 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 [2024-04-05 05:40:12,688 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:40:12,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:40:12,689 INFO L85 PathProgramCache]: Analyzing trace with hash -39662251, now seen corresponding path program 10 times [2024-04-05 05:40:12,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:40:12,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062903158] [2024-04-05 05:40:12,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:40:12,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:40:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:40:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 525 proven. 1255 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:40:14,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:40:14,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062903158] [2024-04-05 05:40:14,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062903158] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:40:14,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807280398] [2024-04-05 05:40:14,387 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 05:40:14,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:40:14,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:40:14,389 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) [2024-04-05 05:40:14,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 05:40:14,739 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 05:40:14,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:40:14,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-05 05:40:14,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:40:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 582 proven. 1198 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:40:16,743 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:40:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 655 proven. 1125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 05:40:17,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807280398] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:40:17,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:40:17,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 101 [2024-04-05 05:40:17,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056615477] [2024-04-05 05:40:17,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:40:17,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-05 05:40:17,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:40:17,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-05 05:40:17,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1422, Invalid=8678, Unknown=0, NotChecked=0, Total=10100 [2024-04-05 05:40:17,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:17,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:40:17,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 20.742574257425744) internal successors, (2095), 101 states have internal predecessors, (2095), 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) [2024-04-05 05:40:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 05:40:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:21,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:21,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 05:40:21,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 05:40:21,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-05 05:40:21,448 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 [2024-04-05 05:40:21,449 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:40:21,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:40:21,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2002320041, now seen corresponding path program 11 times [2024-04-05 05:40:21,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:40:21,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415931655] [2024-04-05 05:40:21,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:40:21,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:40:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:40:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 5359 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:40:25,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:40:25,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415931655] [2024-04-05 05:40:25,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415931655] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:40:25,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237615609] [2024-04-05 05:40:25,708 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 05:40:25,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:40:25,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:40:25,709 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) [2024-04-05 05:40:25,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 05:40:26,150 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-04-05 05:40:26,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:40:26,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-05 05:40:26,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:40:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 561 proven. 5060 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-05 05:40:29,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 05:40:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 561 proven. 10 refuted. 0 times theorem prover too weak. 5420 trivial. 0 not checked. [2024-04-05 05:40:30,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237615609] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 05:40:30,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 05:40:30,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 46, 9] total 100 [2024-04-05 05:40:30,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099978750] [2024-04-05 05:40:30,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 05:40:30,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-05 05:40:30,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 05:40:30,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-05 05:40:30,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1229, Invalid=8671, Unknown=0, NotChecked=0, Total=9900 [2024-04-05 05:40:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:30,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 05:40:30,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 27.63) internal successors, (2763), 100 states have internal predecessors, (2763), 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) [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 05:40:30,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:30,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:30,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:30,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-05 05:40:30,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 05:40:30,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-04-05 05:40:30,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 05:40:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-04-05 05:40:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 390 states. [2024-04-05 05:40:54,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-05 05:40:54,546 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 [2024-04-05 05:40:54,547 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 05:40:54,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 05:40:54,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1049486981, now seen corresponding path program 12 times [2024-04-05 05:40:54,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 05:40:54,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944516457] [2024-04-05 05:40:54,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 05:40:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 05:40:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 05:42:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6633 backedges. 0 proven. 6633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 05:42:44,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 05:42:44,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944516457] [2024-04-05 05:42:44,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944516457] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 05:42:44,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775109966] [2024-04-05 05:42:44,937 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 05:42:44,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 05:42:44,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 05:42:44,938 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) [2024-04-05 05:42:44,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 05:42:45,764 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-04-05 05:42:45,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 05:42:45,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 2350 conjuncts, 540 conjunts are in the unsatisfiable core [2024-04-05 05:42:45,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 05:42:50,593 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 [2024-04-05 05:42:53,376 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 [2024-04-05 05:42:53,653 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 [2024-04-05 05:44:28,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 05:44:28,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 35 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 155 treesize of output 751 [2024-04-05 05:51:00,240 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-04-05 05:51:00,241 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-04-05 05:51:00,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-04-05 05:51:00,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-05 05:51:00,450 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 [2024-04-05 05:51:00,451 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:59) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:177) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 73 more [2024-04-05 05:51:00,455 INFO L158 Benchmark]: Toolchain (without parser) took 699347.55ms. Allocated memory was 303.0MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 233.0MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2024-04-05 05:51:00,455 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 05:51:00,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.81ms. Allocated memory is still 303.0MB. Free memory was 232.6MB in the beginning and 220.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 05:51:00,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.97ms. Allocated memory is still 303.0MB. Free memory was 220.6MB in the beginning and 217.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 05:51:00,456 INFO L158 Benchmark]: Boogie Preprocessor took 28.75ms. Allocated memory is still 303.0MB. Free memory was 217.8MB in the beginning and 215.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 05:51:00,456 INFO L158 Benchmark]: RCFGBuilder took 566.90ms. Allocated memory is still 303.0MB. Free memory was 215.7MB in the beginning and 188.0MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-04-05 05:51:00,456 INFO L158 Benchmark]: TraceAbstraction took 698424.70ms. Allocated memory was 303.0MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 270.6MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2024-04-05 05:51:00,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 163.6MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.81ms. Allocated memory is still 303.0MB. Free memory was 232.6MB in the beginning and 220.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.97ms. Allocated memory is still 303.0MB. Free memory was 220.6MB in the beginning and 217.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.75ms. Allocated memory is still 303.0MB. Free memory was 217.8MB in the beginning and 215.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 566.90ms. Allocated memory is still 303.0MB. Free memory was 215.7MB in the beginning and 188.0MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 698424.70ms. Allocated memory was 303.0MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 270.6MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 05:51:00,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request...