/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 19:07:31,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 19:07:31,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 19:07:31,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 19:07:31,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 19:07:31,327 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 19:07:31,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 19:07:31,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 19:07:31,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 19:07:31,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 19:07:31,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 19:07:31,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 19:07:31,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 19:07:31,329 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 19:07:31,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 19:07:31,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 19:07:31,331 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 19:07:31,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 19:07:31,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 19:07:31,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 19:07:31,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 19:07:31,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 19:07:31,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:07:31,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 19:07:31,332 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 19:07:31,333 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 19:07:31,333 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 19:07:31,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 19:07:31,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 19:07:31,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 19:07:31,508 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 19:07:31,509 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 19:07:31,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-6.i [2023-03-23 19:07:32,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 19:07:32,725 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 19:07:32,725 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i [2023-03-23 19:07:32,737 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5334e8d4/04adba2d09984c3f87a4df43af30f47d/FLAG27e7f880e [2023-03-23 19:07:32,747 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5334e8d4/04adba2d09984c3f87a4df43af30f47d [2023-03-23 19:07:32,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 19:07:32,751 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 19:07:32,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 19:07:32,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 19:07:32,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 19:07:32,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:07:32" (1/1) ... [2023-03-23 19:07:32,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764e36d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:32, skipping insertion in model container [2023-03-23 19:07:32,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:07:32" (1/1) ... [2023-03-23 19:07:32,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 19:07:32,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 19:07:32,949 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i[30243,30256] [2023-03-23 19:07:32,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:07:32,977 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 19:07:33,022 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i[30243,30256] [2023-03-23 19:07:33,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:07:33,050 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 19:07:33,050 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 19:07:33,055 INFO L208 MainTranslator]: Completed translation [2023-03-23 19:07:33,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33 WrapperNode [2023-03-23 19:07:33,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 19:07:33,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 19:07:33,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 19:07:33,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 19:07:33,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,103 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-03-23 19:07:33,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 19:07:33,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 19:07:33,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 19:07:33,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 19:07:33,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 19:07:33,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 19:07:33,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 19:07:33,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 19:07:33,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (1/1) ... [2023-03-23 19:07:33,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:07:33,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:33,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 19:07:33,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 19:07:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-03-23 19:07:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-03-23 19:07:33,188 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-03-23 19:07:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 19:07:33,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 19:07:33,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 19:07:33,190 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 19:07:33,286 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 19:07:33,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 19:07:33,458 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 19:07:33,463 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 19:07:33,463 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-23 19:07:33,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:07:33 BoogieIcfgContainer [2023-03-23 19:07:33,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 19:07:33,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 19:07:33,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 19:07:33,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 19:07:33,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 07:07:32" (1/3) ... [2023-03-23 19:07:33,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c72e9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:07:33, skipping insertion in model container [2023-03-23 19:07:33,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:07:33" (2/3) ... [2023-03-23 19:07:33,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c72e9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:07:33, skipping insertion in model container [2023-03-23 19:07:33,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:07:33" (3/3) ... [2023-03-23 19:07:33,475 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-6.i [2023-03-23 19:07:33,481 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 19:07:33,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 19:07:33,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 19:07:33,488 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 19:07:33,521 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-03-23 19:07:33,553 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:07:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 19:07:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:33,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-03-23 19:07:33,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-03-23 19:07:33,598 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 19:07:33,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 19:07:33,620 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=LoopsAndPotentialCycles, 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;@1d2d6aff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:07:33,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 19:07:33,771 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:33,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:33,775 INFO L85 PathProgramCache]: Analyzing trace with hash 95801150, now seen corresponding path program 1 times [2023-03-23 19:07:33,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:33,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391121189] [2023-03-23 19:07:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:33,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:33,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:33,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391121189] [2023-03-23 19:07:33,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391121189] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:07:34,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 19:07:34,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-23 19:07:34,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741366190] [2023-03-23 19:07:34,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:07:34,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 19:07:34,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:34,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 19:07:34,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 19:07:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:34,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:34,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-03-23 19:07:34,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:34,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:34,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 19:07:34,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:34,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:34,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times [2023-03-23 19:07:34,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:34,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554176367] [2023-03-23 19:07:34,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:34,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:34,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554176367] [2023-03-23 19:07:34,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554176367] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:34,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805869152] [2023-03-23 19:07:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:34,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:34,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:34,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:34,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 19:07:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:34,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-23 19:07:34,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:34,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:07:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:34,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805869152] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:07:34,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:07:34,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-03-23 19:07:34,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663013546] [2023-03-23 19:07:34,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:07:34,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-23 19:07:34,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:34,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-23 19:07:34,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-03-23 19:07:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:34,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:34,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 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) [2023-03-23 19:07:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:07:34,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-23 19:07:34,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-03-23 19:07:34,667 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:34,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:34,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1869128357, now seen corresponding path program 2 times [2023-03-23 19:07:34,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:34,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970278611] [2023-03-23 19:07:34,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:34,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:34,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:34,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970278611] [2023-03-23 19:07:34,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970278611] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:34,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70574731] [2023-03-23 19:07:34,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:07:34,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:34,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:34,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:34,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 19:07:34,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:07:34,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:07:34,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-23 19:07:35,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:35,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:07:35,155 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70574731] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:07:35,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:07:35,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-03-23 19:07:35,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356548796] [2023-03-23 19:07:35,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:07:35,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-23 19:07:35,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:35,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-23 19:07:35,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-03-23 19:07:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,164 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:35,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.666666666666667) internal successors, (102), 18 states have internal predecessors, (102), 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) [2023-03-23 19:07:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:07:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:07:35,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:07:35,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-23 19:07:35,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:35,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:35,575 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:35,575 INFO L85 PathProgramCache]: Analyzing trace with hash 526543515, now seen corresponding path program 3 times [2023-03-23 19:07:35,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:35,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695872067] [2023-03-23 19:07:35,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:35,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:35,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:35,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695872067] [2023-03-23 19:07:35,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695872067] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:35,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158748536] [2023-03-23 19:07:35,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 19:07:35,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:35,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:35,866 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:35,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 19:07:35,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-03-23 19:07:35,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:07:35,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2023-03-23 19:07:35,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:36,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:07:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:36,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158748536] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:07:36,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:07:36,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2023-03-23 19:07:36,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955349478] [2023-03-23 19:07:36,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:07:36,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-03-23 19:07:36,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:36,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-03-23 19:07:36,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2023-03-23 19:07:36,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:36,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:36,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.870967741935484) internal successors, (151), 31 states have internal predecessors, (151), 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) [2023-03-23 19:07:36,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:36,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:07:36,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:07:36,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:07:36,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:07:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:07:36,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 19:07:36,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:36,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:36,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1164740830, now seen corresponding path program 4 times [2023-03-23 19:07:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:36,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257981971] [2023-03-23 19:07:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:36,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:38,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:38,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257981971] [2023-03-23 19:07:38,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257981971] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:38,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706348281] [2023-03-23 19:07:38,984 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 19:07:38,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:38,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:39,005 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:39,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-23 19:07:39,093 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 19:07:39,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:07:39,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 51 conjunts are in the unsatisfiable core [2023-03-23 19:07:39,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 486 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:42,085 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:07:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706348281] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:07:45,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:07:45,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 145 [2023-03-23 19:07:45,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681530172] [2023-03-23 19:07:45,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:07:45,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2023-03-23 19:07:45,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:07:45,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2023-03-23 19:07:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1237, Invalid=19643, Unknown=0, NotChecked=0, Total=20880 [2023-03-23 19:07:45,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:45,756 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:07:45,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.882758620689655) internal successors, (418), 145 states have internal predecessors, (418), 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) [2023-03-23 19:07:45,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:45,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:07:45,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:07:45,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:07:45,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:07:51,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:07:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:07:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:07:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:07:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-03-23 19:07:51,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-23 19:07:52,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:52,149 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:07:52,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:07:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2039891197, now seen corresponding path program 1 times [2023-03-23 19:07:52,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:07:52,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464262262] [2023-03-23 19:07:52,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:52,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:07:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:54,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:07:54,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464262262] [2023-03-23 19:07:54,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464262262] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:07:54,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317516623] [2023-03-23 19:07:54,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:07:54,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:07:54,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:07:54,070 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:07:54,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-23 19:07:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:07:54,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 56 conjunts are in the unsatisfiable core [2023-03-23 19:07:54,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:07:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 486 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:07:56,718 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:08:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:00,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317516623] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:08:00,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:08:00,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 154 [2023-03-23 19:08:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644790285] [2023-03-23 19:08:00,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:08:00,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2023-03-23 19:08:00,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:08:00,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2023-03-23 19:08:00,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1248, Invalid=22314, Unknown=0, NotChecked=0, Total=23562 [2023-03-23 19:08:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:00,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:08:00,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 2.9155844155844157) internal successors, (449), 154 states have internal predecessors, (449), 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) [2023-03-23 19:08:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-03-23 19:08:00,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-03-23 19:08:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-03-23 19:08:08,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-03-23 19:08:08,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:08,742 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:08:08,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:08:08,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1667235011, now seen corresponding path program 2 times [2023-03-23 19:08:08,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:08:08,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349698002] [2023-03-23 19:08:08,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:08:08,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:08:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:08:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:10,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:08:10,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349698002] [2023-03-23 19:08:10,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349698002] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:08:10,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898464229] [2023-03-23 19:08:10,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:08:10,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:10,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:08:10,817 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:08:10,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-23 19:08:10,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:08:10,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:08:10,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 57 conjunts are in the unsatisfiable core [2023-03-23 19:08:10,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:08:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 486 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:13,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:08:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:18,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898464229] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:08:18,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:08:18,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 164 [2023-03-23 19:08:18,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647452741] [2023-03-23 19:08:18,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:08:18,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2023-03-23 19:08:18,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:08:18,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2023-03-23 19:08:18,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1342, Invalid=25390, Unknown=0, NotChecked=0, Total=26732 [2023-03-23 19:08:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:18,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:08:18,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 3.0853658536585367) internal successors, (506), 164 states have internal predecessors, (506), 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) [2023-03-23 19:08:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-03-23 19:08:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-03-23 19:08:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-03-23 19:08:27,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-03-23 19:08:27,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-03-23 19:08:27,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-03-23 19:08:27,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:27,257 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:08:27,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:08:27,257 INFO L85 PathProgramCache]: Analyzing trace with hash 999989181, now seen corresponding path program 3 times [2023-03-23 19:08:27,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:08:27,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732619837] [2023-03-23 19:08:27,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:08:27,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:08:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:08:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 367 proven. 49 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-03-23 19:08:27,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:08:27,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732619837] [2023-03-23 19:08:27,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732619837] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:08:27,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682891042] [2023-03-23 19:08:27,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 19:08:27,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:27,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:08:27,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:08:27,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-23 19:08:27,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2023-03-23 19:08:27,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:08:27,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 24 conjunts are in the unsatisfiable core [2023-03-23 19:08:27,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:08:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2023-03-23 19:08:28,065 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-23 19:08:28,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682891042] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:08:28,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-23 19:08:28,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [29] total 31 [2023-03-23 19:08:28,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079763705] [2023-03-23 19:08:28,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:08:28,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-03-23 19:08:28,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:08:28,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-03-23 19:08:28,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2023-03-23 19:08:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:28,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:08:28,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.84) internal successors, (121), 25 states have internal predecessors, (121), 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) [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-03-23 19:08:28,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:08:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:28,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-23 19:08:28,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-03-23 19:08:28,938 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:08:28,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:08:28,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1777267874, now seen corresponding path program 1 times [2023-03-23 19:08:28,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:08:28,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996745706] [2023-03-23 19:08:28,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:08:28,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:08:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:08:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:31,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:08:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996745706] [2023-03-23 19:08:31,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996745706] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:08:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919210753] [2023-03-23 19:08:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:08:31,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:31,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:08:31,161 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:08:31,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-03-23 19:08:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:08:31,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 60 conjunts are in the unsatisfiable core [2023-03-23 19:08:31,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:08:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 486 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:34,722 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:08:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:39,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919210753] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:08:39,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:08:39,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 172 [2023-03-23 19:08:39,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953011411] [2023-03-23 19:08:39,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:08:39,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2023-03-23 19:08:39,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:08:39,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2023-03-23 19:08:39,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1387, Invalid=28025, Unknown=0, NotChecked=0, Total=29412 [2023-03-23 19:08:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:39,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:08:39,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 3.2906976744186047) internal successors, (566), 172 states have internal predecessors, (566), 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) [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:39,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:08:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-03-23 19:08:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:08:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-03-23 19:08:47,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-03-23 19:08:48,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:48,052 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:08:48,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:08:48,052 INFO L85 PathProgramCache]: Analyzing trace with hash 956841612, now seen corresponding path program 2 times [2023-03-23 19:08:48,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:08:48,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566495454] [2023-03-23 19:08:48,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:08:48,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:08:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:08:48,258 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 94 proven. 25 refuted. 0 times theorem prover too weak. 732 trivial. 0 not checked. [2023-03-23 19:08:48,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:08:48,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566495454] [2023-03-23 19:08:48,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566495454] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:08:48,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278592978] [2023-03-23 19:08:48,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:08:48,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:48,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:08:48,260 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:08:48,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-03-23 19:08:48,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:08:48,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:08:48,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-23 19:08:48,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:08:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2023-03-23 19:08:48,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-23 19:08:48,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278592978] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 19:08:48,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-23 19:08:48,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [17] total 19 [2023-03-23 19:08:48,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715646446] [2023-03-23 19:08:48,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 19:08:48,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-03-23 19:08:48,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:08:48,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-03-23 19:08:48,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2023-03-23 19:08:48,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:48,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:08:48,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 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) [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-03-23 19:08:48,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:08:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:08:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:08:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:08:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:08:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-03-23 19:08:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-03-23 19:08:49,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-03-23 19:08:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:08:49,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-03-23 19:08:50,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-03-23 19:08:50,127 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:08:50,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:08:50,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1022000874, now seen corresponding path program 3 times [2023-03-23 19:08:50,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:08:50,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553552752] [2023-03-23 19:08:50,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:08:50,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:08:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:08:52,261 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:52,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:08:52,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553552752] [2023-03-23 19:08:52,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553552752] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:08:52,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691350665] [2023-03-23 19:08:52,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 19:08:52,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:08:52,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:08:52,263 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:08:52,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-03-23 19:08:52,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-03-23 19:08:52,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:08:52,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 62 conjunts are in the unsatisfiable core [2023-03-23 19:08:52,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:08:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 486 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:08:56,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:09:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:09:00,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691350665] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:09:00,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:09:00,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 178 [2023-03-23 19:09:00,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588713799] [2023-03-23 19:09:00,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:09:00,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2023-03-23 19:09:00,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:09:00,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2023-03-23 19:09:00,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1355, Invalid=30151, Unknown=0, NotChecked=0, Total=31506 [2023-03-23 19:09:00,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:09:00,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:09:00,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 3.348314606741573) internal successors, (596), 178 states have internal predecessors, (596), 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) [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:00,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:09:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:09:15,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:15,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-03-23 19:09:15,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-03-23 19:09:15,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-03-23 19:09:15,979 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:09:15,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:09:15,979 INFO L85 PathProgramCache]: Analyzing trace with hash -403767348, now seen corresponding path program 4 times [2023-03-23 19:09:15,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:09:15,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012166398] [2023-03-23 19:09:15,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:09:15,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:09:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:09:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:09:18,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:09:18,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012166398] [2023-03-23 19:09:18,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012166398] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:09:18,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473248916] [2023-03-23 19:09:18,279 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 19:09:18,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:09:18,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:09:18,280 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:09:18,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-03-23 19:09:18,380 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 19:09:18,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:09:18,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:09:18,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:09:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:09:22,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:09:26,599 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:09:26,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473248916] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:09:26,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:09:26,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:09:26,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881088833] [2023-03-23 19:09:26,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:09:26,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:09:26,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:09:26,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:09:26,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1342, Invalid=31238, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:09:26,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:09:26,603 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:09:26,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-03-23 19:09:26,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:26,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-03-23 19:09:26,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-03-23 19:09:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-03-23 19:09:39,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-03-23 19:09:40,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-03-23 19:09:40,136 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:09:40,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:09:40,136 INFO L85 PathProgramCache]: Analyzing trace with hash 855332728, now seen corresponding path program 5 times [2023-03-23 19:09:40,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:09:40,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275272808] [2023-03-23 19:09:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:09:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:09:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:09:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:09:42,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:09:42,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275272808] [2023-03-23 19:09:42,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275272808] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:09:42,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128644490] [2023-03-23 19:09:42,460 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 19:09:42,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:09:42,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:09:42,461 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:09:42,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-03-23 19:09:42,567 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2023-03-23 19:09:42,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:09:42,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 62 conjunts are in the unsatisfiable core [2023-03-23 19:09:42,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:09:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 486 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:09:45,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:09:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:09:50,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128644490] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:09:50,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:09:50,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 178 [2023-03-23 19:09:50,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858950466] [2023-03-23 19:09:50,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:09:50,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2023-03-23 19:09:50,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:09:50,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2023-03-23 19:09:50,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1303, Invalid=30203, Unknown=0, NotChecked=0, Total=31506 [2023-03-23 19:09:50,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:09:50,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:09:50,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 3.348314606741573) internal successors, (596), 178 states have internal predecessors, (596), 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) [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-03-23 19:09:50,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2023-03-23 19:10:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-03-23 19:10:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2023-03-23 19:10:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-03-23 19:10:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-03-23 19:10:03,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-03-23 19:10:04,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-03-23 19:10:04,156 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:10:04,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:10:04,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1869501468, now seen corresponding path program 6 times [2023-03-23 19:10:04,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:10:04,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102941279] [2023-03-23 19:10:04,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:10:04,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:10:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:10:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:10:06,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:10:06,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102941279] [2023-03-23 19:10:06,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102941279] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:10:06,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958510151] [2023-03-23 19:10:06,322 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-03-23 19:10:06,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:10:06,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:10:06,323 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:10:06,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-03-23 19:10:06,471 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2023-03-23 19:10:06,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:10:06,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:10:06,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:10:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:10:10,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:10:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:10:15,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958510151] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:10:15,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:10:15,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:10:15,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052835415] [2023-03-23 19:10:15,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:10:15,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:10:15,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:10:15,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:10:15,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1297, Invalid=31283, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:10:15,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:10:15,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:10:15,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-03-23 19:10:15,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:10:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:10:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:10:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:10:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:10:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 19:10:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:10:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-03-23 19:10:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-03-23 19:10:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-03-23 19:10:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-03-23 19:10:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-03-23 19:10:38,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-03-23 19:10:38,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:10:38,611 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:10:38,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:10:38,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1992422214, now seen corresponding path program 7 times [2023-03-23 19:10:38,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:10:38,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825303700] [2023-03-23 19:10:38,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:10:38,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:10:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:10:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:10:40,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:10:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825303700] [2023-03-23 19:10:40,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825303700] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:10:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787524973] [2023-03-23 19:10:40,922 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-03-23 19:10:40,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:10:40,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:10:40,923 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:10:40,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-03-23 19:10:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:10:41,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:10:41,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:10:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:10:44,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:10:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:10:49,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787524973] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:10:49,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:10:49,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:10:49,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754325457] [2023-03-23 19:10:49,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:10:49,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:10:49,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:10:49,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:10:49,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1287, Invalid=31293, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:10:49,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:10:49,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:10:49,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:10:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:10:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:10:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:10:49,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-03-23 19:10:49,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-03-23 19:10:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-03-23 19:10:49,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-03-23 19:11:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-03-23 19:11:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-03-23 19:11:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-03-23 19:11:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-03-23 19:11:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-03-23 19:11:04,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-03-23 19:11:05,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-03-23 19:11:05,061 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:11:05,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:11:05,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2132819756, now seen corresponding path program 8 times [2023-03-23 19:11:05,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:11:05,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258034997] [2023-03-23 19:11:05,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:11:05,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:11:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:11:07,418 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:11:07,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:11:07,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258034997] [2023-03-23 19:11:07,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258034997] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:11:07,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570114854] [2023-03-23 19:11:07,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:11:07,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:11:07,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:11:07,420 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:11:07,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-03-23 19:11:07,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:11:07,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:11:07,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:11:07,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:11:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:11:11,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:11:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:11:16,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570114854] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:11:16,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:11:16,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 182 [2023-03-23 19:11:16,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356582516] [2023-03-23 19:11:16,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:11:16,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 182 states [2023-03-23 19:11:16,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:11:16,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2023-03-23 19:11:16,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1351, Invalid=31591, Unknown=0, NotChecked=0, Total=32942 [2023-03-23 19:11:16,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:11:16,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:11:16,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 182 states, 182 states have (on average 3.357142857142857) internal successors, (611), 182 states have internal predecessors, (611), 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) [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-03-23 19:11:16,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2023-03-23 19:11:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:11:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-03-23 19:11:47,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-03-23 19:11:47,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-03-23 19:11:47,872 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:11:47,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:11:47,872 INFO L85 PathProgramCache]: Analyzing trace with hash -827021177, now seen corresponding path program 1 times [2023-03-23 19:11:47,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:11:47,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737513103] [2023-03-23 19:11:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:11:47,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:11:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:11:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:11:49,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:11:49,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737513103] [2023-03-23 19:11:49,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737513103] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:11:49,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201638931] [2023-03-23 19:11:49,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:11:49,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:11:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:11:49,785 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:11:49,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-03-23 19:11:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:11:49,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:11:49,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:11:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 486 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:11:53,574 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:11:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:11:58,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201638931] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:11:58,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:11:58,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:11:58,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971995381] [2023-03-23 19:11:58,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:11:58,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:11:58,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:11:58,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:11:58,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1334, Invalid=31246, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:11:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:11:58,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:11:58,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.276243093922652) internal successors, (593), 181 states have internal predecessors, (593), 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) [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-03-23 19:11:58,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:12:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-03-23 19:12:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:12:19,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-03-23 19:12:19,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-03-23 19:12:19,450 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:12:19,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:12:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash 554052954, now seen corresponding path program 9 times [2023-03-23 19:12:19,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:12:19,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942743143] [2023-03-23 19:12:19,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:12:19,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:12:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:12:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:12:21,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:12:21,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942743143] [2023-03-23 19:12:21,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942743143] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:12:21,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537843185] [2023-03-23 19:12:21,530 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 19:12:21,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:12:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:12:21,533 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:12:21,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-03-23 19:12:21,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-03-23 19:12:21,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:12:21,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:12:21,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:12:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:12:26,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:12:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:12:31,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537843185] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:12:31,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:12:31,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:12:31,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575748670] [2023-03-23 19:12:31,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:12:31,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:12:31,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:12:31,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:12:31,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1239, Invalid=31341, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:12:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:31,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:12:31,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:12:31,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:12:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:12:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:12:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:12:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:12:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:12:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:12:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2023-03-23 19:12:49,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:12:49,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-03-23 19:12:50,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-03-23 19:12:50,153 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:12:50,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:12:50,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1446228084, now seen corresponding path program 10 times [2023-03-23 19:12:50,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:12:50,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140566865] [2023-03-23 19:12:50,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:12:50,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:12:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:12:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:12:52,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:12:52,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140566865] [2023-03-23 19:12:52,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140566865] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:12:52,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554287893] [2023-03-23 19:12:52,697 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 19:12:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:12:52,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:12:52,699 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:12:52,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-03-23 19:12:52,835 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 19:12:52,835 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:12:52,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:12:52,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:12:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:12:56,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:13:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:13:00,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554287893] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:13:00,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:13:00,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:13:00,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877334855] [2023-03-23 19:13:00,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:13:00,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:13:00,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:13:00,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:13:00,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1282, Invalid=31298, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:13:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:13:00,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:13:00,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:13:00,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:13:00,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:13:19,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:13:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-03-23 19:13:19,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-03-23 19:13:19,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:13:19,447 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:13:19,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:13:19,447 INFO L85 PathProgramCache]: Analyzing trace with hash -575804906, now seen corresponding path program 11 times [2023-03-23 19:13:19,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:13:19,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468985168] [2023-03-23 19:13:19,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:13:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:13:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:13:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:13:21,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:13:21,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468985168] [2023-03-23 19:13:21,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468985168] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:13:21,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960132311] [2023-03-23 19:13:21,921 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 19:13:21,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:13:21,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:13:21,922 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:13:21,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-03-23 19:13:22,021 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2023-03-23 19:13:22,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:13:22,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:13:22,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:13:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:13:25,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:13:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:13:30,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960132311] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:13:30,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:13:30,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:13:30,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505645665] [2023-03-23 19:13:30,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:13:30,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:13:30,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:13:30,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:13:30,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=31352, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:13:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:13:30,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:13:30,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:30,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2023-03-23 19:13:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:13:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-03-23 19:13:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:13:44,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2023-03-23 19:13:44,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-03-23 19:13:44,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-03-23 19:13:44,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2023-03-23 19:13:44,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-03-23 19:13:45,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:13:45,125 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:13:45,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:13:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1942216014, now seen corresponding path program 12 times [2023-03-23 19:13:45,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:13:45,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137488444] [2023-03-23 19:13:45,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:13:45,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:13:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:13:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:13:47,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:13:47,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137488444] [2023-03-23 19:13:47,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137488444] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:13:47,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967242130] [2023-03-23 19:13:47,373 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-03-23 19:13:47,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:13:47,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:13:47,374 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:13:47,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-03-23 19:13:47,498 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2023-03-23 19:13:47,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:13:47,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:13:47,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:13:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:13:50,453 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:13:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:13:55,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967242130] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:13:55,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:13:55,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 182 [2023-03-23 19:13:55,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724125511] [2023-03-23 19:13:55,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:13:55,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 182 states [2023-03-23 19:13:55,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:13:55,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2023-03-23 19:13:55,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1250, Invalid=31692, Unknown=0, NotChecked=0, Total=32942 [2023-03-23 19:13:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:13:55,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:13:55,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 182 states, 182 states have (on average 3.357142857142857) internal successors, (611), 182 states have internal predecessors, (611), 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) [2023-03-23 19:13:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:13:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:13:55,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:13:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2023-03-23 19:13:55,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:14:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:14:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:14:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:14:16,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-03-23 19:14:16,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-03-23 19:14:16,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:14:16,240 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:14:16,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:14:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1558821964, now seen corresponding path program 13 times [2023-03-23 19:14:16,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:14:16,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607142333] [2023-03-23 19:14:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:14:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:14:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:14:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:14:18,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:14:18,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607142333] [2023-03-23 19:14:18,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607142333] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:14:18,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072631462] [2023-03-23 19:14:18,461 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-03-23 19:14:18,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:14:18,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:14:18,462 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:14:18,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-03-23 19:14:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:14:18,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:14:18,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:14:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:14:22,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:14:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:14:27,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072631462] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:14:27,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:14:27,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:14:27,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116445055] [2023-03-23 19:14:27,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:14:27,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:14:27,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:14:27,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:14:27,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1280, Invalid=31300, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:14:27,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:14:27,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:14:27,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:14:27,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-03-23 19:14:27,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:14:43,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:14:43,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:14:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:14:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:14:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:14:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:14:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2023-03-23 19:14:43,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-03-23 19:14:44,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:14:44,085 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:14:44,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:14:44,085 INFO L85 PathProgramCache]: Analyzing trace with hash -195630912, now seen corresponding path program 14 times [2023-03-23 19:14:44,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:14:44,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921800893] [2023-03-23 19:14:44,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:14:44,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:14:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:14:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:14:46,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:14:46,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921800893] [2023-03-23 19:14:46,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921800893] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:14:46,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380600692] [2023-03-23 19:14:46,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:14:46,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:14:46,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:14:46,441 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:14:46,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-03-23 19:14:46,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:14:46,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:14:46,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:14:46,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:14:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:14:49,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:14:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:14:54,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380600692] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:14:54,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:14:54,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:14:54,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633434145] [2023-03-23 19:14:54,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:14:54,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:14:54,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:14:54,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:14:54,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1232, Invalid=31348, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:14:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:14:54,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:14:54,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2023-03-23 19:14:54,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:15:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:15:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:15:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:15:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:15:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:15:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:15:10,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-03-23 19:15:10,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:15:10,891 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:15:10,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:15:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1969937382, now seen corresponding path program 15 times [2023-03-23 19:15:10,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:15:10,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425725681] [2023-03-23 19:15:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:15:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:15:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:15:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:15:13,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:15:13,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425725681] [2023-03-23 19:15:13,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425725681] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:15:13,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347489047] [2023-03-23 19:15:13,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 19:15:13,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:15:13,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:15:13,177 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:15:13,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-03-23 19:15:13,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-03-23 19:15:13,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:15:13,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:15:13,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:15:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:15:17,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:15:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:15:21,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347489047] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:15:21,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:15:21,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:15:21,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864672884] [2023-03-23 19:15:21,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:15:21,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:15:21,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:15:21,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:15:21,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1238, Invalid=31342, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:15:21,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:15:21,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:15:21,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:21,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:15:21,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:15:21,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-03-23 19:15:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-03-23 19:15:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:15:39,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-03-23 19:15:39,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:15:39,353 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:15:39,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:15:39,353 INFO L85 PathProgramCache]: Analyzing trace with hash -2064347750, now seen corresponding path program 16 times [2023-03-23 19:15:39,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:15:39,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436827709] [2023-03-23 19:15:39,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:15:39,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:15:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:15:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:15:41,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:15:41,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436827709] [2023-03-23 19:15:41,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436827709] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:15:41,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066591685] [2023-03-23 19:15:41,797 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 19:15:41,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:15:41,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:15:41,798 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:15:41,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-03-23 19:15:41,894 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 19:15:41,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:15:41,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:15:41,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:15:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:15:45,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:15:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:15:50,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066591685] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:15:50,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:15:50,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 182 [2023-03-23 19:15:50,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780004878] [2023-03-23 19:15:50,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:15:50,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 182 states [2023-03-23 19:15:50,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:15:50,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2023-03-23 19:15:50,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1256, Invalid=31686, Unknown=0, NotChecked=0, Total=32942 [2023-03-23 19:15:50,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:15:50,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:15:50,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 182 states, 182 states have (on average 3.357142857142857) internal successors, (611), 182 states have internal predecessors, (611), 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) [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:15:50,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:16:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:16:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-03-23 19:16:05,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-03-23 19:16:06,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-03-23 19:16:06,162 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:16:06,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:16:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash -357407353, now seen corresponding path program 2 times [2023-03-23 19:16:06,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:16:06,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037071162] [2023-03-23 19:16:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:16:06,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:16:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:16:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:16:08,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:16:08,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037071162] [2023-03-23 19:16:08,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037071162] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:16:08,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962180757] [2023-03-23 19:16:08,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 19:16:08,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:16:08,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:16:08,234 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:16:08,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-03-23 19:16:08,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 19:16:08,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:16:08,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:16:08,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:16:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 486 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:16:11,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:16:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:16:15,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962180757] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:16:15,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:16:15,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:16:15,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307092758] [2023-03-23 19:16:15,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:16:15,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:16:15,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:16:15,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:16:15,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1239, Invalid=31341, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:16:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:16:15,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:16:15,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.276243093922652) internal successors, (593), 181 states have internal predecessors, (593), 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) [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-03-23 19:16:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:16:32,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:16:32,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-03-23 19:16:32,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:32,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-03-23 19:16:33,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-03-23 19:16:33,060 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 19:16:33,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 19:16:33,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1807870182, now seen corresponding path program 17 times [2023-03-23 19:16:33,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 19:16:33,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649450719] [2023-03-23 19:16:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 19:16:33,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 19:16:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 19:16:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:16:35,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 19:16:35,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649450719] [2023-03-23 19:16:35,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649450719] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 19:16:35,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131691887] [2023-03-23 19:16:35,224 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 19:16:35,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:16:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:16:35,225 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 19:16:35,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-03-23 19:16:35,325 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2023-03-23 19:16:35,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 19:16:35,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 63 conjunts are in the unsatisfiable core [2023-03-23 19:16:35,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 19:16:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 486 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:16:39,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 19:16:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 19:16:44,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131691887] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 19:16:44,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 19:16:44,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2023-03-23 19:16:44,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481574778] [2023-03-23 19:16:44,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 19:16:44,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2023-03-23 19:16:44,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 19:16:44,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2023-03-23 19:16:44,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1245, Invalid=31335, Unknown=0, NotChecked=0, Total=32580 [2023-03-23 19:16:44,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 19:16:44,857 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 19:16:44,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.3756906077348066) internal successors, (611), 181 states have internal predecessors, (611), 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) [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-03-23 19:16:44,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-03-23 19:16:53,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-03-23 19:16:53,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 19:16:53,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 19:16:53,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-03-23 19:16:54,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-03-23 19:16:54,070 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 246 known predicates. [2023-03-23 19:16:54,071 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 19:16:54,072 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 19:16:54,072 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 19:16:54,079 INFO L445 BasicCegarLoop]: Path program histogram: [17, 4, 3, 2, 1] [2023-03-23 19:16:54,081 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 19:16:54,081 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 19:16:54,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 07:16:54 BasicIcfg [2023-03-23 19:16:54,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 19:16:54,083 INFO L158 Benchmark]: Toolchain (without parser) took 561332.68ms. Allocated memory was 287.3MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 245.5MB in the beginning and 709.4MB in the end (delta: -463.9MB). Peak memory consumption was 736.0MB. Max. memory is 8.0GB. [2023-03-23 19:16:54,084 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 216.0MB. Free memory was 166.1MB in the beginning and 165.9MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 19:16:54,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.67ms. Allocated memory is still 287.3MB. Free memory was 245.5MB in the beginning and 226.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-23 19:16:54,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.10ms. Allocated memory is still 287.3MB. Free memory was 226.2MB in the beginning and 224.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 19:16:54,084 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 287.3MB. Free memory was 224.1MB in the beginning and 222.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-23 19:16:54,084 INFO L158 Benchmark]: RCFGBuilder took 326.46ms. Allocated memory is still 287.3MB. Free memory was 222.7MB in the beginning and 208.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-03-23 19:16:54,085 INFO L158 Benchmark]: TraceAbstraction took 560617.13ms. Allocated memory was 287.3MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 208.1MB in the beginning and 709.4MB in the end (delta: -501.3MB). Peak memory consumption was 699.3MB. Max. memory is 8.0GB. [2023-03-23 19:16:54,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 216.0MB. Free memory was 166.1MB in the beginning and 165.9MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 303.67ms. Allocated memory is still 287.3MB. Free memory was 245.5MB in the beginning and 226.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.10ms. Allocated memory is still 287.3MB. Free memory was 226.2MB in the beginning and 224.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 287.3MB. Free memory was 224.1MB in the beginning and 222.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 326.46ms. Allocated memory is still 287.3MB. Free memory was 222.7MB in the beginning and 208.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 560617.13ms. Allocated memory was 287.3MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 208.1MB in the beginning and 709.4MB in the end (delta: -501.3MB). Peak memory consumption was 699.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 914973, independent: 769751, independent conditional: 768323, independent unconditional: 1428, dependent: 145222, dependent conditional: 145215, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 771411, independent: 769751, independent conditional: 768323, independent unconditional: 1428, dependent: 1660, dependent conditional: 1653, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 771411, independent: 769751, independent conditional: 768323, independent unconditional: 1428, dependent: 1660, dependent conditional: 1653, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 866677, independent: 769751, independent conditional: 32263, independent unconditional: 737488, dependent: 96926, dependent conditional: 63003, dependent unconditional: 33923, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 866677, independent: 769751, independent conditional: 32263, independent unconditional: 737488, dependent: 96926, dependent conditional: 38591, dependent unconditional: 58335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 866677, independent: 769751, independent conditional: 32263, independent unconditional: 737488, dependent: 96926, dependent conditional: 38591, dependent unconditional: 58335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4256, independent: 3111, independent conditional: 1805, independent unconditional: 1306, dependent: 1145, dependent conditional: 1138, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4256, independent: 1305, independent conditional: 0, independent unconditional: 1305, dependent: 2951, dependent conditional: 0, dependent unconditional: 2951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2951, independent: 1806, independent conditional: 1805, independent unconditional: 1, dependent: 1145, dependent conditional: 1138, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2951, independent: 1806, independent conditional: 1805, independent unconditional: 1, dependent: 1145, dependent conditional: 1138, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4636, independent: 3009, independent conditional: 2974, independent unconditional: 36, dependent: 1627, dependent conditional: 1605, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 866677, independent: 766640, independent conditional: 30458, independent unconditional: 736182, dependent: 95781, dependent conditional: 37453, dependent unconditional: 58328, unknown: 4256, unknown conditional: 2943, unknown unconditional: 1313] , Statistics on independence cache: Total cache size (in pairs): 4256, Positive cache size: 3111, Positive conditional cache size: 1805, Positive unconditional cache size: 1306, Negative cache size: 1145, Negative conditional cache size: 1138, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24412, Maximal queried relation: 23, Independence queries for same thread: 143562 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 137, Number of trivial persistent sets: 86, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1435, independent: 1428, independent conditional: 0, independent unconditional: 1428, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 914973, independent: 769751, independent conditional: 768323, independent unconditional: 1428, dependent: 145222, dependent conditional: 145215, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 771411, independent: 769751, independent conditional: 768323, independent unconditional: 1428, dependent: 1660, dependent conditional: 1653, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 771411, independent: 769751, independent conditional: 768323, independent unconditional: 1428, dependent: 1660, dependent conditional: 1653, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 866677, independent: 769751, independent conditional: 32263, independent unconditional: 737488, dependent: 96926, dependent conditional: 63003, dependent unconditional: 33923, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 866677, independent: 769751, independent conditional: 32263, independent unconditional: 737488, dependent: 96926, dependent conditional: 38591, dependent unconditional: 58335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 866677, independent: 769751, independent conditional: 32263, independent unconditional: 737488, dependent: 96926, dependent conditional: 38591, dependent unconditional: 58335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4256, independent: 3111, independent conditional: 1805, independent unconditional: 1306, dependent: 1145, dependent conditional: 1138, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4256, independent: 1305, independent conditional: 0, independent unconditional: 1305, dependent: 2951, dependent conditional: 0, dependent unconditional: 2951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2951, independent: 1806, independent conditional: 1805, independent unconditional: 1, dependent: 1145, dependent conditional: 1138, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2951, independent: 1806, independent conditional: 1805, independent unconditional: 1, dependent: 1145, dependent conditional: 1138, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4636, independent: 3009, independent conditional: 2974, independent unconditional: 36, dependent: 1627, dependent conditional: 1605, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 866677, independent: 766640, independent conditional: 30458, independent unconditional: 736182, dependent: 95781, dependent conditional: 37453, dependent unconditional: 58328, unknown: 4256, unknown conditional: 2943, unknown unconditional: 1313] , Statistics on independence cache: Total cache size (in pairs): 4256, Positive cache size: 3111, Positive conditional cache size: 1805, Positive unconditional cache size: 1306, Negative cache size: 1145, Negative conditional cache size: 1138, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24412, Maximal queried relation: 23, Independence queries for same thread: 143562 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 246 known predicates. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 246 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 246 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 560.5s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 333.3s, 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: 2515, 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, 1.7s SatisfiabilityAnalysisTime, 217.9s InterpolantComputationTime, 9957 NumberOfCodeBlocks, 9950 NumberOfCodeBlocksAsserted, 195 NumberOfCheckSat, 14392 ConstructedInterpolants, 0 QuantifiedInterpolants, 198456 SizeOfPredicates, 1064 NumberOfNonLiveVariables, 9854 ConjunctsInSsa, 1359 ConjunctsInUnsatCore, 77 InterpolantComputations, 3 PerfectInterpolantSequences, 13968/52775 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown