/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking 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/popl20-figure1-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 17:56:28,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 17:56:28,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 17:56:28,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 17:56:28,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 17:56:28,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 17:56:28,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 17:56:28,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 17:56:28,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 17:56:28,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 17:56:28,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 17:56:28,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 17:56:28,537 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 17:56:28,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 17:56:28,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 17:56:28,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 17:56:28,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 17:56:28,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 17:56:28,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 17:56:28,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 17:56:28,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 17:56:28,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 17:56:28,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 17:56:28,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 17:56:28,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 17:56:28,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 17:56:28,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 17:56:28,542 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 17:56:28,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 17:56:28,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 17:56:28,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 17:56:28,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 17:56:28,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 17:56:28,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 17:56:28,544 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 17:56:28,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 17:56:28,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 17:56:28,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 17:56:28,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 17:56:28,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-05 17:56:28,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 17:56:28,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 17:56:28,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 17:56:28,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 17:56:28,834 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 17:56:28,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-05-05 17:56:29,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 17:56:30,137 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 17:56:30,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2024-05-05 17:56:30,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8861ffe1d/c4feac77a4164f2784f326652967f06e/FLAG6056ff9a3 [2024-05-05 17:56:30,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8861ffe1d/c4feac77a4164f2784f326652967f06e [2024-05-05 17:56:30,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 17:56:30,160 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 17:56:30,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 17:56:30,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 17:56:30,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 17:56:30,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a31a2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30, skipping insertion in model container [2024-05-05 17:56:30,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 17:56:30,323 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2024-05-05 17:56:30,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 17:56:30,334 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 17:56:30,356 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2024-05-05 17:56:30,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 17:56:30,369 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 17:56:30,369 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 17:56:30,374 INFO L206 MainTranslator]: Completed translation [2024-05-05 17:56:30,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30 WrapperNode [2024-05-05 17:56:30,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 17:56:30,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 17:56:30,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 17:56:30,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 17:56:30,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,407 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2024-05-05 17:56:30,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 17:56:30,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 17:56:30,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 17:56:30,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 17:56:30,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 17:56:30,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 17:56:30,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 17:56:30,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 17:56:30,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (1/1) ... [2024-05-05 17:56:30,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 17:56:30,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:56:30,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 17:56:30,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 17:56:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 17:56:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 17:56:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 17:56:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 17:56:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 17:56:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 17:56:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 17:56:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 17:56:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 17:56:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 17:56:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 17:56:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 17:56:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 17:56:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 17:56:30,549 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 17:56:30,638 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 17:56:30,639 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 17:56:30,763 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 17:56:30,793 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 17:56:30,793 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-05 17:56:30,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 05:56:30 BoogieIcfgContainer [2024-05-05 17:56:30,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 17:56:30,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 17:56:30,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 17:56:30,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 17:56:30,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 05:56:30" (1/3) ... [2024-05-05 17:56:30,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4fbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 05:56:30, skipping insertion in model container [2024-05-05 17:56:30,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 05:56:30" (2/3) ... [2024-05-05 17:56:30,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4fbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 05:56:30, skipping insertion in model container [2024-05-05 17:56:30,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 05:56:30" (3/3) ... [2024-05-05 17:56:30,800 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-05-05 17:56:30,805 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 17:56:30,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 17:56:30,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 17:56:30,813 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 17:56:30,850 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-05 17:56:30,880 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 17:56:30,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 17:56:30,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:56:30,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 17:56:30,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 17:56:30,910 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 17:56:30,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:56:30,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 17:56:30,934 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;@b51af7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-05 17:56:30,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-05 17:56:31,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:56:31,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:56:31,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1870296858, now seen corresponding path program 1 times [2024-05-05 17:56:31,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:56:31,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180539234] [2024-05-05 17:56:31,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:56:31,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:56:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:56:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 17:56:31,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:56:31,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180539234] [2024-05-05 17:56:31,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180539234] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 17:56:31,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 17:56:31,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 17:56:31,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685136999] [2024-05-05 17:56:31,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 17:56:31,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 17:56:31,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:56:31,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 17:56:31,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 17:56:31,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:31,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:56:31,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:56:31,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:31,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:31,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 17:56:31,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:56:31,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:56:31,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1331143982, now seen corresponding path program 1 times [2024-05-05 17:56:31,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:56:31,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942208932] [2024-05-05 17:56:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:56:31,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:56:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:56:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:56:32,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:56:32,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942208932] [2024-05-05 17:56:32,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942208932] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:56:32,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655453560] [2024-05-05 17:56:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:56:32,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:56:32,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:56:32,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:56:32,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 17:56:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:56:32,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-05 17:56:32,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:56:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:56:32,911 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:56:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:56:33,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655453560] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:56:33,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:56:33,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 37 [2024-05-05 17:56:33,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16078861] [2024-05-05 17:56:33,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:56:33,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-05 17:56:33,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:56:33,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-05 17:56:33,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1128, Unknown=0, NotChecked=0, Total=1332 [2024-05-05 17:56:33,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:33,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:56:33,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.72972972972973) internal successors, (138), 37 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:56:33,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:33,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:34,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-05 17:56:34,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-05 17:56:34,932 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,SelfDestructingSolverStorable1 [2024-05-05 17:56:34,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:56:34,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:56:34,934 INFO L85 PathProgramCache]: Analyzing trace with hash 742392757, now seen corresponding path program 1 times [2024-05-05 17:56:34,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:56:34,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572826958] [2024-05-05 17:56:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:56:34,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:56:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:56:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:56:35,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:56:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572826958] [2024-05-05 17:56:35,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572826958] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:56:35,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141659063] [2024-05-05 17:56:35,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:56:35,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:56:35,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:56:35,469 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:56:35,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 17:56:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:56:35,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-05 17:56:35,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:56:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:56:36,100 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:56:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 17:56:36,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141659063] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:56:36,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:56:36,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 22] total 56 [2024-05-05 17:56:36,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473917247] [2024-05-05 17:56:36,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:56:36,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-05-05 17:56:36,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:56:36,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-05-05 17:56:36,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=2659, Unknown=0, NotChecked=0, Total=3080 [2024-05-05 17:56:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:36,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:56:36,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.357142857142857) internal successors, (188), 56 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:56:36,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-05 17:56:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:56:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:56:40,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-05 17:56:41,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:56:41,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:56:41,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:56:41,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1139207243, now seen corresponding path program 2 times [2024-05-05 17:56:41,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:56:41,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491183882] [2024-05-05 17:56:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:56:41,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:56:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:56:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-05 17:56:41,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:56:41,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491183882] [2024-05-05 17:56:41,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491183882] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:56:41,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490039961] [2024-05-05 17:56:41,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 17:56:41,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:56:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:56:41,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:56:41,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 17:56:41,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 17:56:41,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:56:41,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 59 conjunts are in the unsatisfiable core [2024-05-05 17:56:41,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:56:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:56:42,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:56:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-05 17:56:43,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490039961] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:56:43,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:56:43,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 34, 22] total 72 [2024-05-05 17:56:43,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291495416] [2024-05-05 17:56:43,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:56:43,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-05-05 17:56:43,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:56:43,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-05-05 17:56:43,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=4798, Unknown=0, NotChecked=0, Total=5112 [2024-05-05 17:56:43,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:43,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:56:43,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.6527777777777777) internal successors, (191), 72 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:56:43,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:43,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:56:43,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:56:43,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:56:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:56:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-05-05 17:56:50,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 17:56:50,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:56:50,620 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:56:50,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:56:50,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1222887839, now seen corresponding path program 3 times [2024-05-05 17:56:50,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:56:50,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8805311] [2024-05-05 17:56:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:56:50,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:56:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:56:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 109 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-05-05 17:56:51,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:56:51,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8805311] [2024-05-05 17:56:51,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8805311] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:56:51,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408534052] [2024-05-05 17:56:51,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 17:56:51,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:56:51,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:56:51,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:56:51,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 17:56:51,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-05 17:56:51,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:56:51,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-05 17:56:51,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:56:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:56:53,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:56:54,171 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 77 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-05 17:56:54,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408534052] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:56:54,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:56:54,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 46, 24] total 88 [2024-05-05 17:56:54,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685222196] [2024-05-05 17:56:54,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:56:54,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-05-05 17:56:54,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:56:54,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-05-05 17:56:54,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=793, Invalid=6863, Unknown=0, NotChecked=0, Total=7656 [2024-05-05 17:56:54,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:54,216 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:56:54,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 2.8295454545454546) internal successors, (249), 88 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:56:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:56:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:56:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:56:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-05-05 17:56:54,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:57:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:57:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:57:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-05-05 17:57:06,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-05 17:57:06,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:57:06,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:57:06,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:57:06,914 INFO L85 PathProgramCache]: Analyzing trace with hash -392114931, now seen corresponding path program 4 times [2024-05-05 17:57:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:57:06,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823005992] [2024-05-05 17:57:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:57:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:57:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:57:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 6 proven. 243 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-05-05 17:57:08,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:57:08,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823005992] [2024-05-05 17:57:08,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823005992] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:57:08,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139555911] [2024-05-05 17:57:08,197 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 17:57:08,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:57:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:57:08,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:57:08,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 17:57:08,305 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 17:57:08,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:57:08,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 112 conjunts are in the unsatisfiable core [2024-05-05 17:57:08,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:57:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:57:10,368 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:57:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 6 proven. 179 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-05-05 17:57:11,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139555911] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:57:11,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:57:11,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 69, 27] total 115 [2024-05-05 17:57:11,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736238814] [2024-05-05 17:57:11,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:57:11,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-05-05 17:57:11,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:57:11,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-05-05 17:57:11,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1246, Invalid=11864, Unknown=0, NotChecked=0, Total=13110 [2024-05-05 17:57:11,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:11,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:57:11,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 2.582608695652174) internal successors, (297), 115 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:57:11,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:11,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:57:11,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:57:11,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:57:11,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-05-05 17:57:11,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:57:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:57:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:57:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-05-05 17:57:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-05-05 17:57:28,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 17:57:28,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:57:28,418 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:57:28,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:57:28,419 INFO L85 PathProgramCache]: Analyzing trace with hash 667397571, now seen corresponding path program 5 times [2024-05-05 17:57:28,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:57:28,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088768671] [2024-05-05 17:57:28,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:57:28,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:57:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:57:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 1 proven. 430 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-05-05 17:57:30,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:57:30,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088768671] [2024-05-05 17:57:30,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088768671] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:57:30,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443746028] [2024-05-05 17:57:30,149 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 17:57:30,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:57:30,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:57:30,151 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:57:30,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 17:57:30,262 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-05-05 17:57:30,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:57:30,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 167 conjunts are in the unsatisfiable core [2024-05-05 17:57:30,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:57:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 811 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:57:32,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:57:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-05-05 17:57:33,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443746028] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:57:33,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:57:33,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 87, 24] total 129 [2024-05-05 17:57:33,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451852463] [2024-05-05 17:57:33,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:57:33,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-05-05 17:57:33,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:57:33,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-05-05 17:57:33,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=15880, Unknown=0, NotChecked=0, Total=16512 [2024-05-05 17:57:33,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:33,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:57:33,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 2.2325581395348837) internal successors, (288), 129 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:57:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:57:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:57:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:57:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-05-05 17:57:33,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-05-05 17:57:33,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:57:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:57:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:57:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2024-05-05 17:57:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2024-05-05 17:57:47,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-05-05 17:57:47,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-05 17:57:47,451 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,SelfDestructingSolverStorable6 [2024-05-05 17:57:47,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:57:47,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:57:47,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1870689921, now seen corresponding path program 6 times [2024-05-05 17:57:47,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:57:47,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259247501] [2024-05-05 17:57:47,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:57:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:57:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:57:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 1 proven. 545 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2024-05-05 17:57:49,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:57:49,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259247501] [2024-05-05 17:57:49,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259247501] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:57:49,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913947952] [2024-05-05 17:57:49,252 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 17:57:49,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:57:49,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:57:49,253 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:57:49,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-05 17:57:49,373 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-05-05 17:57:49,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:57:49,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 162 conjunts are in the unsatisfiable core [2024-05-05 17:57:49,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:57:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 1019 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:57:53,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:57:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 7 proven. 501 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-05-05 17:57:54,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913947952] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:57:54,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:57:54,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 96, 36] total 151 [2024-05-05 17:57:54,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747211443] [2024-05-05 17:57:54,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:57:54,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-05-05 17:57:54,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:57:54,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-05-05 17:57:54,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1266, Invalid=21384, Unknown=0, NotChecked=0, Total=22650 [2024-05-05 17:57:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:54,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:57:54,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 2.3642384105960264) internal successors, (357), 151 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:57:54,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:57:54,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:57:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:57:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:57:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2024-05-05 17:57:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2024-05-05 17:57:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-05-05 17:57:54,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:58:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:58:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:58:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:58:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:58:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 17:58:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 17:58:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2024-05-05 17:58:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 17:58:15,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-05 17:58:16,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:58:16,092 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:58:16,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:58:16,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1397347761, now seen corresponding path program 7 times [2024-05-05 17:58:16,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:58:16,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276370395] [2024-05-05 17:58:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:58:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:58:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:58:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 1 proven. 994 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2024-05-05 17:58:18,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:58:18,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276370395] [2024-05-05 17:58:18,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276370395] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:58:18,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694559769] [2024-05-05 17:58:18,537 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 17:58:18,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:58:18,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:58:18,553 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:58:18,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-05 17:58:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:58:18,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 216 conjunts are in the unsatisfiable core [2024-05-05 17:58:18,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:58:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 0 proven. 1844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:58:24,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:58:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 21 proven. 924 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2024-05-05 17:58:26,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694559769] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:58:26,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:58:26,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 124, 34] total 177 [2024-05-05 17:58:26,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482213885] [2024-05-05 17:58:26,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:58:26,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 177 states [2024-05-05 17:58:26,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:58:26,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2024-05-05 17:58:26,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1558, Invalid=29594, Unknown=0, NotChecked=0, Total=31152 [2024-05-05 17:58:26,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:58:26,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:58:26,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 177 states, 177 states have (on average 2.3220338983050848) internal successors, (411), 177 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 17:58:26,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:03,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:59:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:59:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:59:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 17:59:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 17:59:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 375 states. [2024-05-05 17:59:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 17:59:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 638 states. [2024-05-05 17:59:03,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-05 17:59:04,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:59:04,136 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:59:04,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:59:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1901668029, now seen corresponding path program 8 times [2024-05-05 17:59:04,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:59:04,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823945008] [2024-05-05 17:59:04,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:59:04,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:59:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:59:07,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 1 proven. 1524 refuted. 0 times theorem prover too weak. 1303 trivial. 0 not checked. [2024-05-05 17:59:07,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:59:07,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823945008] [2024-05-05 17:59:07,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823945008] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:59:07,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261373869] [2024-05-05 17:59:07,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 17:59:07,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:59:07,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:59:07,508 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:59:07,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-05 17:59:07,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 17:59:07,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:59:07,678 WARN L260 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 299 conjunts are in the unsatisfiable core [2024-05-05 17:59:07,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:59:13,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 0 proven. 2828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:59:13,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:59:14,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2828 backedges. 6 proven. 757 refuted. 0 times theorem prover too weak. 2065 trivial. 0 not checked. [2024-05-05 17:59:14,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261373869] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:59:14,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:59:14,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 151, 26] total 195 [2024-05-05 17:59:14,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076124226] [2024-05-05 17:59:14,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:59:14,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-05-05 17:59:14,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:59:14,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-05-05 17:59:14,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=978, Invalid=36852, Unknown=0, NotChecked=0, Total=37830 [2024-05-05 17:59:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:14,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:59:14,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 2.066666666666667) internal successors, (403), 195 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:59:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:59:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:59:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:59:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 17:59:14,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 17:59:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 375 states. [2024-05-05 17:59:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 17:59:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 638 states. [2024-05-05 17:59:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:43,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 378 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 639 states. [2024-05-05 17:59:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2024-05-05 17:59:43,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-05 17:59:43,838 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,SelfDestructingSolverStorable9 [2024-05-05 17:59:43,838 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 17:59:43,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 17:59:43,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1985391736, now seen corresponding path program 9 times [2024-05-05 17:59:43,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 17:59:43,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999447909] [2024-05-05 17:59:43,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 17:59:43,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 17:59:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 17:59:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 1 proven. 1348 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2024-05-05 17:59:47,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 17:59:47,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999447909] [2024-05-05 17:59:47,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999447909] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 17:59:47,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239569799] [2024-05-05 17:59:47,012 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 17:59:47,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 17:59:47,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 17:59:47,014 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 17:59:47,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-05 17:59:47,188 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2024-05-05 17:59:47,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 17:59:47,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 262 conjunts are in the unsatisfiable core [2024-05-05 17:59:47,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 17:59:53,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 0 proven. 2813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 17:59:53,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 17:59:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 28 proven. 1255 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-05-05 17:59:55,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239569799] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 17:59:55,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 17:59:55,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 151, 33] total 202 [2024-05-05 17:59:55,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770189333] [2024-05-05 17:59:55,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 17:59:55,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2024-05-05 17:59:55,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 17:59:56,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2024-05-05 17:59:56,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1811, Invalid=38791, Unknown=0, NotChecked=0, Total=40602 [2024-05-05 17:59:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:56,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 17:59:56,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 2.202970297029703) internal successors, (445), 202 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 378 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 639 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2024-05-05 17:59:56,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:00:55,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:00:55,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 645 states. [2024-05-05 18:00:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:00:55,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 774 states. [2024-05-05 18:00:55,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-05 18:00:56,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 18:00:56,174 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 18:00:56,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 18:00:56,174 INFO L85 PathProgramCache]: Analyzing trace with hash -175683892, now seen corresponding path program 10 times [2024-05-05 18:00:56,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 18:00:56,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994615973] [2024-05-05 18:00:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 18:00:56,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 18:00:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 18:01:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3564 backedges. 6 proven. 1226 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2024-05-05 18:01:00,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 18:01:00,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994615973] [2024-05-05 18:01:00,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994615973] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 18:01:00,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662637766] [2024-05-05 18:01:00,203 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 18:01:00,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 18:01:00,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 18:01:00,204 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 18:01:00,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-05 18:01:00,344 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 18:01:00,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 18:01:00,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 282 conjunts are in the unsatisfiable core [2024-05-05 18:01:00,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 18:01:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3564 backedges. 0 proven. 3564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 18:01:09,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 18:01:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3564 backedges. 6 proven. 1032 refuted. 0 times theorem prover too weak. 2526 trivial. 0 not checked. [2024-05-05 18:01:12,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662637766] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 18:01:12,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 18:01:12,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 169, 31] total 221 [2024-05-05 18:01:12,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943496373] [2024-05-05 18:01:12,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 18:01:12,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 221 states [2024-05-05 18:01:12,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 18:01:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 221 interpolants. [2024-05-05 18:01:12,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3642, Invalid=44978, Unknown=0, NotChecked=0, Total=48620 [2024-05-05 18:01:12,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:01:12,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 18:01:12,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 221 states, 221 states have (on average 2.167420814479638) internal successors, (479), 221 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-05-05 18:01:12,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:01:12,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 645 states. [2024-05-05 18:01:12,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:01:12,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 774 states. [2024-05-05 18:01:12,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 645 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:02:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 774 states. [2024-05-05 18:02:04,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 695 states. [2024-05-05 18:02:04,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-05 18:02:04,215 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,SelfDestructingSolverStorable11 [2024-05-05 18:02:04,215 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 18:02:04,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 18:02:04,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1533650664, now seen corresponding path program 11 times [2024-05-05 18:02:04,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 18:02:04,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000920186] [2024-05-05 18:02:04,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 18:02:04,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 18:02:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 18:02:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5346 backedges. 11 proven. 1805 refuted. 0 times theorem prover too weak. 3530 trivial. 0 not checked. [2024-05-05 18:02:12,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 18:02:12,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000920186] [2024-05-05 18:02:12,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000920186] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 18:02:12,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830443071] [2024-05-05 18:02:12,289 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 18:02:12,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 18:02:12,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 18:02:12,291 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 18:02:12,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-05 18:02:12,507 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2024-05-05 18:02:12,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 18:02:12,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 342 conjunts are in the unsatisfiable core [2024-05-05 18:02:12,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 18:02:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5346 backedges. 0 proven. 5346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 18:02:21,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 18:02:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5346 backedges. 11 proven. 1562 refuted. 0 times theorem prover too weak. 3773 trivial. 0 not checked. [2024-05-05 18:02:25,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830443071] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 18:02:25,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 18:02:25,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 205, 33] total 264 [2024-05-05 18:02:25,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105196968] [2024-05-05 18:02:25,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 18:02:25,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2024-05-05 18:02:25,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 18:02:25,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2024-05-05 18:02:25,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4678, Invalid=64754, Unknown=0, NotChecked=0, Total=69432 [2024-05-05 18:02:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:02:25,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 18:02:25,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 2.109848484848485) internal successors, (557), 264 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 18:02:25,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:02:25,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:02:25,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:02:25,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:02:25,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:02:25,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:02:25,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-05-05 18:02:25,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:02:25,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 645 states. [2024-05-05 18:02:25,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:02:25,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 774 states. [2024-05-05 18:02:25,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 695 states. [2024-05-05 18:02:25,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:03:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 782 states. [2024-05-05 18:03:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2024-05-05 18:03:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2024-05-05 18:03:33,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-05 18:03:33,817 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,SelfDestructingSolverStorable12 [2024-05-05 18:03:33,818 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 18:03:33,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 18:03:33,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1787043941, now seen corresponding path program 12 times [2024-05-05 18:03:33,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 18:03:33,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446114905] [2024-05-05 18:03:33,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 18:03:33,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 18:03:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 18:03:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 7684 backedges. 1 proven. 3134 refuted. 0 times theorem prover too weak. 4549 trivial. 0 not checked. [2024-05-05 18:03:42,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 18:03:42,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446114905] [2024-05-05 18:03:42,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446114905] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 18:03:42,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104611687] [2024-05-05 18:03:42,689 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 18:03:42,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 18:03:42,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 18:03:42,690 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 18:03:42,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-05 18:03:42,914 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 41 check-sat command(s) [2024-05-05 18:03:42,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 18:03:42,923 WARN L260 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 485 conjunts are in the unsatisfiable core [2024-05-05 18:03:42,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 18:03:58,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7684 backedges. 0 proven. 7684 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 18:03:58,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 18:04:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 7684 backedges. 1 proven. 1265 refuted. 0 times theorem prover too weak. 6418 trivial. 0 not checked. [2024-05-05 18:04:00,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104611687] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 18:04:00,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 18:04:00,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 243, 25] total 287 [2024-05-05 18:04:00,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472573513] [2024-05-05 18:04:00,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 18:04:00,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 287 states [2024-05-05 18:04:00,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 18:04:01,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 287 interpolants. [2024-05-05 18:04:01,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1502, Invalid=80580, Unknown=0, NotChecked=0, Total=82082 [2024-05-05 18:04:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:04:01,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 18:04:01,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 287 states, 287 states have (on average 1.9547038327526132) internal successors, (561), 287 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 782 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2024-05-05 18:04:01,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:05:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2024-05-05 18:05:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:05:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 782 states. [2024-05-05 18:05:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2024-05-05 18:05:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2024-05-05 18:05:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 906 states. [2024-05-05 18:05:07,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-05 18:05:07,755 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,SelfDestructingSolverStorable13 [2024-05-05 18:05:07,755 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 18:05:07,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 18:05:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1661581984, now seen corresponding path program 13 times [2024-05-05 18:05:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 18:05:07,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50264890] [2024-05-05 18:05:07,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 18:05:07,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 18:05:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 18:05:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8282 backedges. 13 proven. 2958 refuted. 0 times theorem prover too weak. 5311 trivial. 0 not checked. [2024-05-05 18:05:17,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 18:05:17,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50264890] [2024-05-05 18:05:17,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50264890] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 18:05:17,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792474717] [2024-05-05 18:05:17,611 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 18:05:17,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 18:05:17,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 18:05:17,612 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 18:05:17,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-05 18:05:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 18:05:17,824 WARN L260 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 422 conjunts are in the unsatisfiable core [2024-05-05 18:05:17,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 18:05:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8282 backedges. 0 proven. 8282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 18:05:30,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 18:05:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8282 backedges. 16 proven. 2662 refuted. 0 times theorem prover too weak. 5604 trivial. 0 not checked. [2024-05-05 18:05:34,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792474717] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 18:05:34,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 18:05:34,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 252, 40] total 322 [2024-05-05 18:05:34,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859028782] [2024-05-05 18:05:34,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 18:05:34,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 322 states [2024-05-05 18:05:34,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 18:05:34,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 322 interpolants. [2024-05-05 18:05:34,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7956, Invalid=95406, Unknown=0, NotChecked=0, Total=103362 [2024-05-05 18:05:34,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:05:34,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 18:05:34,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 322 states, 322 states have (on average 2.040372670807453) internal successors, (657), 322 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 782 states. [2024-05-05 18:05:34,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2024-05-05 18:05:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2024-05-05 18:05:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 906 states. [2024-05-05 18:05:34,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:07:02,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:07:02,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 661 states. [2024-05-05 18:07:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:07:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 782 states. [2024-05-05 18:07:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 700 states. [2024-05-05 18:07:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2024-05-05 18:07:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 906 states. [2024-05-05 18:07:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1034 states. [2024-05-05 18:07:02,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-05 18:07:02,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 18:07:02,853 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 18:07:02,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 18:07:02,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1454473954, now seen corresponding path program 14 times [2024-05-05 18:07:02,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 18:07:02,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190130671] [2024-05-05 18:07:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 18:07:02,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 18:07:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 18:07:16,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10904 backedges. 18 proven. 3829 refuted. 0 times theorem prover too weak. 7057 trivial. 0 not checked. [2024-05-05 18:07:16,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 18:07:16,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190130671] [2024-05-05 18:07:16,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190130671] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 18:07:16,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580291975] [2024-05-05 18:07:16,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 18:07:16,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 18:07:16,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 18:07:16,414 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 18:07:16,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-05 18:07:16,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 18:07:16,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 18:07:16,626 WARN L260 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 575 conjunts are in the unsatisfiable core [2024-05-05 18:07:16,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 18:07:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 10904 backedges. 0 proven. 10904 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 18:07:34,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 18:07:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 10904 backedges. 6 proven. 1726 refuted. 0 times theorem prover too weak. 9172 trivial. 0 not checked. [2024-05-05 18:07:36,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580291975] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 18:07:36,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 18:07:36,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 288, 26] total 348 [2024-05-05 18:07:36,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200323204] [2024-05-05 18:07:36,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 18:07:36,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 348 states [2024-05-05 18:07:36,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 18:07:36,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 348 interpolants. [2024-05-05 18:07:36,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2766, Invalid=117990, Unknown=0, NotChecked=0, Total=120756 [2024-05-05 18:07:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:07:36,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 18:07:36,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 348 states, 348 states have (on average 1.9281609195402298) internal successors, (671), 348 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 432 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 661 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 559 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 782 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 700 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 906 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 1034 states. [2024-05-05 18:07:36,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-05 18:10:16,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-05-05 18:10:16,254 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 18:10:16,254 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 18:10:16,254 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 18:10:16,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-05 18:10:16,445 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. [2024-05-05 18:10:16,446 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-05 18:10:16,447 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-05 18:10:16,448 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-05 18:10:16,476 INFO L448 BasicCegarLoop]: Path program histogram: [14, 1, 1] [2024-05-05 18:10:16,479 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 18:10:16,479 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 18:10:16,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 06:10:16 BasicIcfg [2024-05-05 18:10:16,482 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 18:10:16,482 INFO L158 Benchmark]: Toolchain (without parser) took 826321.93ms. Allocated memory was 210.8MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 141.5MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-05-05 18:10:16,482 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory was 174.0MB in the beginning and 173.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 18:10:16,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.42ms. Allocated memory was 210.8MB in the beginning and 289.4MB in the end (delta: 78.6MB). Free memory was 141.3MB in the beginning and 251.8MB in the end (delta: -110.5MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2024-05-05 18:10:16,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.14ms. Allocated memory is still 289.4MB. Free memory was 251.8MB in the beginning and 250.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 18:10:16,483 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 289.4MB. Free memory was 250.3MB in the beginning and 249.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 18:10:16,483 INFO L158 Benchmark]: RCFGBuilder took 355.99ms. Allocated memory is still 289.4MB. Free memory was 249.2MB in the beginning and 233.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-05 18:10:16,484 INFO L158 Benchmark]: TraceAbstraction took 825685.99ms. Allocated memory was 289.4MB in the beginning and 6.4GB in the end (delta: 6.1GB). Free memory was 231.9MB in the beginning and 4.6GB in the end (delta: -4.3GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-05-05 18:10:16,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory was 174.0MB in the beginning and 173.9MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 213.42ms. Allocated memory was 210.8MB in the beginning and 289.4MB in the end (delta: 78.6MB). Free memory was 141.3MB in the beginning and 251.8MB in the end (delta: -110.5MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.14ms. Allocated memory is still 289.4MB. Free memory was 251.8MB in the beginning and 250.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 289.4MB. Free memory was 250.3MB in the beginning and 249.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 355.99ms. Allocated memory is still 289.4MB. Free memory was 249.2MB in the beginning and 233.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 825685.99ms. Allocated memory was 289.4MB in the beginning and 6.4GB in the end (delta: 6.1GB). Free memory was 231.9MB in the beginning and 4.6GB in the end (delta: -4.3GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 36130, independent: 30315, independent conditional: 30315, independent unconditional: 0, dependent: 5815, dependent conditional: 5815, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30409, independent: 30315, independent conditional: 30315, independent unconditional: 0, dependent: 94, dependent conditional: 94, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30409, independent: 30315, independent conditional: 30315, independent unconditional: 0, dependent: 94, dependent conditional: 94, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30409, independent: 30315, independent conditional: 30315, independent unconditional: 0, dependent: 94, dependent conditional: 94, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31609, independent: 30315, independent conditional: 7665, independent unconditional: 22650, dependent: 1294, dependent conditional: 1104, dependent unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31609, independent: 30315, independent conditional: 7635, independent unconditional: 22680, dependent: 1294, dependent conditional: 1103, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31609, independent: 30315, independent conditional: 7635, independent unconditional: 22680, dependent: 1294, dependent conditional: 1103, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 380, independent: 326, independent conditional: 32, independent unconditional: 294, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 380, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 140, dependent conditional: 108, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31609, independent: 29989, independent conditional: 7603, independent unconditional: 22386, dependent: 1240, dependent conditional: 1050, dependent unconditional: 190, unknown: 380, unknown conditional: 85, unknown unconditional: 295] , Statistics on independence cache: Total cache size (in pairs): 380, Positive cache size: 326, Positive conditional cache size: 32, Positive unconditional cache size: 294, Negative cache size: 54, Negative conditional cache size: 53, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31, Maximal queried relation: 15, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31609, independent: 30315, independent conditional: 7665, independent unconditional: 22650, dependent: 1294, dependent conditional: 1104, dependent unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31609, independent: 30315, independent conditional: 7635, independent unconditional: 22680, dependent: 1294, dependent conditional: 1103, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31609, independent: 30315, independent conditional: 7635, independent unconditional: 22680, dependent: 1294, dependent conditional: 1103, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 380, independent: 326, independent conditional: 32, independent unconditional: 294, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 380, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 140, dependent conditional: 108, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31609, independent: 29989, independent conditional: 7603, independent unconditional: 22386, dependent: 1240, dependent conditional: 1050, dependent unconditional: 190, unknown: 380, unknown conditional: 85, unknown unconditional: 295] , Statistics on independence cache: Total cache size (in pairs): 380, Positive cache size: 326, Positive conditional cache size: 32, Positive unconditional cache size: 294, Negative cache size: 54, Negative conditional cache size: 53, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 31 ], Independence queries for same thread: 5721 - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1395 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 106 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 825.6s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 636.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8919, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 180.1s InterpolantComputationTime, 8029 NumberOfCodeBlocks, 8017 NumberOfCodeBlocksAsserted, 168 NumberOfCheckSat, 11963 ConstructedInterpolants, 0 QuantifiedInterpolants, 119932 SizeOfPredicates, 1342 NumberOfNonLiveVariables, 7268 ConjunctsInSsa, 3509 ConjunctsInUnsatCore, 46 InterpolantComputations, 1 PerfectInterpolantSequences, 61168/137431 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown