/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 02:40:34,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 02:40:34,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 02:40:34,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 02:40:34,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 02:40:34,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 02:40:34,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 02:40:34,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 02:40:34,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 02:40:34,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 02:40:34,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 02:40:34,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 02:40:34,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 02:40:34,680 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 02:40:34,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 02:40:34,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 02:40:34,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 02:40:34,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 02:40:34,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 02:40:34,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 02:40:34,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 02:40:34,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 02:40:34,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 02:40:34,682 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 02:40:34,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 02:40:34,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 02:40:34,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 02:40:34,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 02:40:34,683 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 02:40:34,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:40:34,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 02:40:34,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 02:40:34,685 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 02:40:34,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 02:40:34,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 02:40:34,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 02:40:34,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 02:40:34,908 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 02:40:34,910 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 02:40:34,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i [2023-09-08 02:40:35,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 02:40:36,131 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 02:40:36,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i [2023-09-08 02:40:36,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83e3a672/d5e2b7db3c1445059b35fcc4e4cbc779/FLAG66aba01be [2023-09-08 02:40:36,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c83e3a672/d5e2b7db3c1445059b35fcc4e4cbc779 [2023-09-08 02:40:36,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 02:40:36,166 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 02:40:36,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 02:40:36,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 02:40:36,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 02:40:36,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b18c35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36, skipping insertion in model container [2023-09-08 02:40:36,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 02:40:36,401 WARN L240 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-5.i[30243,30256] [2023-09-08 02:40:36,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:40:36,430 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 02:40:36,453 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [229] [2023-09-08 02:40:36,454 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [230] [2023-09-08 02:40:36,462 WARN L240 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-5.i[30243,30256] [2023-09-08 02:40:36,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:40:36,486 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 02:40:36,486 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 02:40:36,491 INFO L206 MainTranslator]: Completed translation [2023-09-08 02:40:36,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36 WrapperNode [2023-09-08 02:40:36,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 02:40:36,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 02:40:36,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 02:40:36,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 02:40:36,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,539 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-09-08 02:40:36,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 02:40:36,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 02:40:36,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 02:40:36,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 02:40:36,546 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 02:40:36,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 02:40:36,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 02:40:36,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 02:40:36,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (1/1) ... [2023-09-08 02:40:36,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:40:36,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:36,599 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) [2023-09-08 02:40:36,620 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 [2023-09-08 02:40:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-09-08 02:40:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-09-08 02:40:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-09-08 02:40:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-09-08 02:40:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 02:40:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 02:40:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 02:40:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 02:40:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 02:40:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 02:40:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 02:40:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 02:40:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 02:40:36,632 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 02:40:36,755 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 02:40:36,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 02:40:36,897 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 02:40:36,902 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 02:40:36,902 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-08 02:40:36,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:40:36 BoogieIcfgContainer [2023-09-08 02:40:36,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 02:40:36,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 02:40:36,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 02:40:36,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 02:40:36,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:40:36" (1/3) ... [2023-09-08 02:40:36,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df6252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:40:36, skipping insertion in model container [2023-09-08 02:40:36,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:36" (2/3) ... [2023-09-08 02:40:36,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df6252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:40:36, skipping insertion in model container [2023-09-08 02:40:36,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:40:36" (3/3) ... [2023-09-08 02:40:36,909 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-5.i [2023-09-08 02:40:36,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 02:40:36,921 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 02:40:36,921 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 02:40:36,921 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 02:40:36,962 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-08 02:40:36,990 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:40:36,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 02:40:36,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:36,992 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) [2023-09-08 02:40:36,994 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 [2023-09-08 02:40:37,022 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 02:40:37,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 02:40:37,031 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;@432084c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:40:37,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-09-08 02:40:37,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:37,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:37,234 INFO L85 PathProgramCache]: Analyzing trace with hash 95801150, now seen corresponding path program 1 times [2023-09-08 02:40:37,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:37,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353897724] [2023-09-08 02:40:37,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:37,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:37,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:37,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353897724] [2023-09-08 02:40:37,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353897724] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:40:37,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 02:40:37,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-08 02:40:37,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398811545] [2023-09-08 02:40:37,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:40:37,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-08 02:40:37,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:37,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-08 02:40:37,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-08 02:40:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:37,561 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:37,562 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) [2023-09-08 02:40:37,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:37,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 02:40:37,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:37,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:37,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times [2023-09-08 02:40:37,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:37,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446109888] [2023-09-08 02:40:37,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:37,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:37,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446109888] [2023-09-08 02:40:37,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446109888] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:37,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137209326] [2023-09-08 02:40:37,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:37,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:37,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:37,795 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) [2023-09-08 02:40:37,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 02:40:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:37,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-09-08 02:40:37,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:37,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:38,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137209326] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:38,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:38,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-09-08 02:40:38,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503516456] [2023-09-08 02:40:38,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:38,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-08 02:40:38,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-08 02:40:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-09-08 02:40:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:38,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:38,024 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) [2023-09-08 02:40:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:38,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:38,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:38,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:38,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-08 02:40:38,301 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 [2023-09-08 02:40:38,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:38,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:38,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1869128357, now seen corresponding path program 2 times [2023-09-08 02:40:38,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:38,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260392689] [2023-09-08 02:40:38,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:38,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:38,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260392689] [2023-09-08 02:40:38,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260392689] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:38,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565929916] [2023-09-08 02:40:38,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:40:38,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:38,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:38,510 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) [2023-09-08 02:40:38,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 02:40:38,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:40:38,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:40:38,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-08 02:40:38,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:38,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:38,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565929916] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:38,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:38,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-09-08 02:40:38,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654166485] [2023-09-08 02:40:38,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:38,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-09-08 02:40:38,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:38,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-09-08 02:40:38,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-09-08 02:40:38,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:38,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:38,773 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) [2023-09-08 02:40:38,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:38,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:38,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:38,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-08 02:40:39,108 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 [2023-09-08 02:40:39,108 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:39,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:39,109 INFO L85 PathProgramCache]: Analyzing trace with hash 526543515, now seen corresponding path program 3 times [2023-09-08 02:40:39,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:39,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880268031] [2023-09-08 02:40:39,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:39,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:39,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:39,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880268031] [2023-09-08 02:40:39,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880268031] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:39,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838118429] [2023-09-08 02:40:39,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 02:40:39,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:39,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:39,391 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) [2023-09-08 02:40:39,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 02:40:39,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-09-08 02:40:39,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:40:39,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-08 02:40:39,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:39,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:39,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838118429] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:39,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:39,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2023-09-08 02:40:39,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442435511] [2023-09-08 02:40:39,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:39,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-09-08 02:40:39,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:39,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-09-08 02:40:39,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2023-09-08 02:40:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:39,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:39,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.074074074074074) internal successors, (137), 27 states have internal predecessors, (137), 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) [2023-09-08 02:40:39,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:39,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:39,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:39,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:40:40,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 02:40:40,252 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 [2023-09-08 02:40:40,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:40,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:40,253 INFO L85 PathProgramCache]: Analyzing trace with hash 446459774, now seen corresponding path program 4 times [2023-09-08 02:40:40,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:40,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550174524] [2023-09-08 02:40:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:42,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550174524] [2023-09-08 02:40:42,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550174524] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866022686] [2023-09-08 02:40:42,002 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 02:40:42,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:42,009 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) [2023-09-08 02:40:42,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-08 02:40:42,100 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 02:40:42,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:40:42,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 45 conjunts are in the unsatisfiable core [2023-09-08 02:40:42,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:44,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:47,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866022686] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:47,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:47,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 127 [2023-09-08 02:40:47,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203837693] [2023-09-08 02:40:47,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:47,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2023-09-08 02:40:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:47,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2023-09-08 02:40:47,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=962, Invalid=15040, Unknown=0, NotChecked=0, Total=16002 [2023-09-08 02:40:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:47,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:47,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 2.9606299212598426) internal successors, (376), 127 states have internal predecessors, (376), 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) [2023-09-08 02:40:47,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:47,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:47,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:47,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:40:47,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:41:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:41:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:41:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:41:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:41:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:41:18,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-08 02:41:18,885 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 [2023-09-08 02:41:18,886 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:41:18,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:41:18,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1295003043, now seen corresponding path program 1 times [2023-09-08 02:41:18,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:41:18,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542962605] [2023-09-08 02:41:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:41:18,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:41:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:41:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:41:20,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:41:20,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542962605] [2023-09-08 02:41:20,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542962605] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:41:20,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937965984] [2023-09-08 02:41:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:41:20,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:41:20,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:41:20,538 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) [2023-09-08 02:41:20,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-08 02:41:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:41:20,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 50 conjunts are in the unsatisfiable core [2023-09-08 02:41:20,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:41:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 335 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:41:23,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:41:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:41:26,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937965984] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:41:26,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:41:26,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 136 [2023-09-08 02:41:26,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998814980] [2023-09-08 02:41:26,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:41:26,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2023-09-08 02:41:26,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:41:26,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2023-09-08 02:41:26,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=973, Invalid=17387, Unknown=0, NotChecked=0, Total=18360 [2023-09-08 02:41:26,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:41:26,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:41:26,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 2.9926470588235294) internal successors, (407), 136 states have internal predecessors, (407), 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) [2023-09-08 02:41:26,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:41:26,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:41:26,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:41:26,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:41:26,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:41:26,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:42:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:42:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:42:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:42:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:42:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:42:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2023-09-08 02:42:05,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-08 02:42:05,908 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 [2023-09-08 02:42:05,908 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:42:05,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:42:05,909 INFO L85 PathProgramCache]: Analyzing trace with hash -135454563, now seen corresponding path program 2 times [2023-09-08 02:42:05,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:42:05,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682473727] [2023-09-08 02:42:05,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:42:05,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:42:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:42:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 43 proven. 17 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2023-09-08 02:42:06,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:42:06,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682473727] [2023-09-08 02:42:06,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682473727] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:42:06,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087442487] [2023-09-08 02:42:06,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:42:06,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:42:06,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:42:06,108 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) [2023-09-08 02:42:06,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-08 02:42:06,230 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:42:06,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:42:06,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-08 02:42:06,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:42:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2023-09-08 02:42:06,266 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-08 02:42:06,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087442487] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:42:06,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-08 02:42:06,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2023-09-08 02:42:06,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660432566] [2023-09-08 02:42:06,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:42:06,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-08 02:42:06,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:42:06,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-08 02:42:06,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-09-08 02:42:06,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:42:06,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:42:06,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 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) [2023-09-08 02:42:06,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:42:06,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:42:06,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:42:06,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:42:06,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:42:06,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2023-09-08 02:42:06,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:42:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:42:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:42:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:42:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:42:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:42:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2023-09-08 02:42:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:42:07,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-09-08 02:42:07,482 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 [2023-09-08 02:42:07,483 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:42:07,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:42:07,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1837236579, now seen corresponding path program 1 times [2023-09-08 02:42:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:42:07,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905147462] [2023-09-08 02:42:07,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:42:07,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:42:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:42:09,110 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:42:09,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:42:09,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905147462] [2023-09-08 02:42:09,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905147462] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:42:09,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517238201] [2023-09-08 02:42:09,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:42:09,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:42:09,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:42:09,111 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) [2023-09-08 02:42:09,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-08 02:42:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:42:09,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 51 conjunts are in the unsatisfiable core [2023-09-08 02:42:09,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:42:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 335 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:42:11,998 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:42:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:42:15,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517238201] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:42:15,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:42:15,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 145 [2023-09-08 02:42:15,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27874139] [2023-09-08 02:42:15,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:42:15,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2023-09-08 02:42:15,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:42:15,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2023-09-08 02:42:15,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1053, Invalid=19827, Unknown=0, NotChecked=0, Total=20880 [2023-09-08 02:42:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:42:15,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:42:15,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 3.303448275862069) internal successors, (479), 145 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:42:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:42:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:42:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:42:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:42:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:42:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:42:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2023-09-08 02:42:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:42:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2023-09-08 02:42:44,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-08 02:42:44,593 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 [2023-09-08 02:42:44,594 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:42:44,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:42:44,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2026261849, now seen corresponding path program 1 times [2023-09-08 02:42:44,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:42:44,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705464878] [2023-09-08 02:42:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:42:44,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:42:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:42:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:42:46,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:42:46,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705464878] [2023-09-08 02:42:46,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705464878] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:42:46,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604293630] [2023-09-08 02:42:46,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:42:46,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:42:46,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:42:46,428 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) [2023-09-08 02:42:46,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-08 02:42:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:42:46,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 54 conjunts are in the unsatisfiable core [2023-09-08 02:42:46,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:42:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 335 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:42:49,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:42:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:42:53,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604293630] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:42:53,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:42:53,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 54] total 154 [2023-09-08 02:42:53,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618169327] [2023-09-08 02:42:53,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:42:53,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2023-09-08 02:42:53,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:42:53,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2023-09-08 02:42:53,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1097, Invalid=22465, Unknown=0, NotChecked=0, Total=23562 [2023-09-08 02:42:53,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:42:53,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:42:53,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 3.4025974025974026) internal successors, (524), 154 states have internal predecessors, (524), 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) [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2023-09-08 02:42:53,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:43:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:43:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:43:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:43:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:43:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:43:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2023-09-08 02:43:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:43:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2023-09-08 02:43:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2023-09-08 02:43:37,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-09-08 02:43:38,136 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 [2023-09-08 02:43:38,137 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:43:38,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:43:38,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1383468249, now seen corresponding path program 2 times [2023-09-08 02:43:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:43:38,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361668271] [2023-09-08 02:43:38,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:43:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:43:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:43:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 165 proven. 33 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2023-09-08 02:43:38,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:43:38,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361668271] [2023-09-08 02:43:38,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361668271] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:43:38,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025858548] [2023-09-08 02:43:38,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:43:38,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:43:38,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:43:38,446 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) [2023-09-08 02:43:38,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-08 02:43:38,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:43:38,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:43:38,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-08 02:43:38,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:43:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2023-09-08 02:43:38,590 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-08 02:43:38,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025858548] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:43:38,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-08 02:43:38,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [21] total 23 [2023-09-08 02:43:38,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162704297] [2023-09-08 02:43:38,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:43:38,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-08 02:43:38,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:43:38,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-08 02:43:38,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2023-09-08 02:43:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:43:38,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:43:38,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 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) [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2023-09-08 02:43:38,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2023-09-08 02:43:43,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:43:43,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-09-08 02:43:43,879 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 [2023-09-08 02:43:43,881 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:43:43,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:43:43,882 INFO L85 PathProgramCache]: Analyzing trace with hash 8938635, now seen corresponding path program 3 times [2023-09-08 02:43:43,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:43:43,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767087624] [2023-09-08 02:43:43,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:43:43,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:43:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:43:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 538 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:43:45,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:43:45,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767087624] [2023-09-08 02:43:45,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767087624] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:43:45,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658454937] [2023-09-08 02:43:45,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 02:43:45,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:43:45,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:43:45,619 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) [2023-09-08 02:43:45,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-09-08 02:43:45,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2023-09-08 02:43:45,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:43:45,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 53 conjunts are in the unsatisfiable core [2023-09-08 02:43:45,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:43:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 335 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:43:48,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:43:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 538 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:43:52,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658454937] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:43:52,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:43:52,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 151 [2023-09-08 02:43:52,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425362705] [2023-09-08 02:43:52,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:43:52,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2023-09-08 02:43:52,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:43:52,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2023-09-08 02:43:52,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=993, Invalid=21657, Unknown=0, NotChecked=0, Total=22650 [2023-09-08 02:43:52,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:43:52,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:43:52,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 3.370860927152318) internal successors, (509), 151 states have internal predecessors, (509), 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) [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:43:52,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2023-09-08 02:43:52,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2023-09-08 02:43:52,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:43:52,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2023-09-08 02:44:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:44:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-09-08 02:44:34,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-09-08 02:44:34,792 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 [2023-09-08 02:44:34,792 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:44:34,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:44:34,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2092416250, now seen corresponding path program 1 times [2023-09-08 02:44:34,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:44:34,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087972371] [2023-09-08 02:44:34,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:44:34,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:44:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:44:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:44:36,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:44:36,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087972371] [2023-09-08 02:44:36,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087972371] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:44:36,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228638378] [2023-09-08 02:44:36,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:44:36,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:44:36,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:44:36,641 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) [2023-09-08 02:44:36,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-09-08 02:44:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:44:36,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-08 02:44:36,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:44:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 335 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:44:40,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:44:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:44:44,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228638378] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:44:44,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:44:44,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2023-09-08 02:44:44,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237585134] [2023-09-08 02:44:44,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:44:44,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-09-08 02:44:44,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:44:44,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-09-08 02:44:44,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1053, Invalid=23439, Unknown=0, NotChecked=0, Total=24492 [2023-09-08 02:44:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:44:44,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:44:44,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.3184713375796178) internal successors, (521), 157 states have internal predecessors, (521), 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) [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-09-08 02:44:44,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2023-09-08 02:45:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2023-09-08 02:45:38,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-09-08 02:45:38,640 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 [2023-09-08 02:45:38,640 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:45:38,641 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:45:38,641 INFO L85 PathProgramCache]: Analyzing trace with hash 887742613, now seen corresponding path program 4 times [2023-09-08 02:45:38,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:45:38,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252754143] [2023-09-08 02:45:38,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:45:38,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:45:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:45:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:45:40,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:45:40,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252754143] [2023-09-08 02:45:40,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252754143] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:45:40,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062771354] [2023-09-08 02:45:40,441 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 02:45:40,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:45:40,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:45:40,442 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) [2023-09-08 02:45:40,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-09-08 02:45:40,528 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 02:45:40,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:45:40,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-08 02:45:40,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:45:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:45:43,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:45:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:45:47,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062771354] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:45:47,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:45:47,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2023-09-08 02:45:47,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281154615] [2023-09-08 02:45:47,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:45:47,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-09-08 02:45:47,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:45:47,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-09-08 02:45:47,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=976, Invalid=23516, Unknown=0, NotChecked=0, Total=24492 [2023-09-08 02:45:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:45:47,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:45:47,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.43312101910828) internal successors, (539), 157 states have internal predecessors, (539), 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) [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:45:47,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2023-09-08 02:45:47,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 293 states. [2023-09-08 02:45:47,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2023-09-08 02:46:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:46:45,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:46:45,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-09-08 02:46:45,950 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 [2023-09-08 02:46:45,951 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:46:45,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:46:45,952 INFO L85 PathProgramCache]: Analyzing trace with hash 787683203, now seen corresponding path program 5 times [2023-09-08 02:46:45,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:46:45,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740101943] [2023-09-08 02:46:45,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:46:45,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:46:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:46:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:46:47,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:46:47,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740101943] [2023-09-08 02:46:47,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740101943] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:46:47,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014869398] [2023-09-08 02:46:47,778 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 02:46:47,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:46:47,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:46:47,779 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) [2023-09-08 02:46:47,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-09-08 02:46:47,872 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-09-08 02:46:47,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:46:47,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-08 02:46:47,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:46:51,230 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:46:51,230 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:46:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:46:55,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014869398] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:46:55,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:46:55,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2023-09-08 02:46:55,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299618325] [2023-09-08 02:46:55,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:46:55,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-09-08 02:46:55,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:46:55,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-09-08 02:46:55,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=969, Invalid=23523, Unknown=0, NotChecked=0, Total=24492 [2023-09-08 02:46:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:46:55,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:46:55,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.43312101910828) internal successors, (539), 157 states have internal predecessors, (539), 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) [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:46:55,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:47:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:47:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2023-09-08 02:47:52,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-09-08 02:47:52,472 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 [2023-09-08 02:47:52,472 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:47:52,472 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:47:52,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2047978253, now seen corresponding path program 6 times [2023-09-08 02:47:52,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:47:52,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320099153] [2023-09-08 02:47:52,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:47:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:47:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:47:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:47:54,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:47:54,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320099153] [2023-09-08 02:47:54,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320099153] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:47:54,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615060526] [2023-09-08 02:47:54,309 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-08 02:47:54,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:47:54,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:47:54,310 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) [2023-09-08 02:47:54,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-09-08 02:47:54,412 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-09-08 02:47:54,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:47:54,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 58 conjunts are in the unsatisfiable core [2023-09-08 02:47:54,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:47:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:47:57,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:48:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:48:01,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615060526] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:48:01,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:48:01,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 159 [2023-09-08 02:48:01,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583199503] [2023-09-08 02:48:01,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:48:01,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2023-09-08 02:48:01,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:48:01,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2023-09-08 02:48:01,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=969, Invalid=24153, Unknown=0, NotChecked=0, Total=25122 [2023-09-08 02:48:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:48:01,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:48:01,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 3.408805031446541) internal successors, (542), 159 states have internal predecessors, (542), 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) [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2023-09-08 02:48:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:48:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:48:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:48:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2023-09-08 02:48:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2023-09-08 02:48:50,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-09-08 02:48:51,014 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 [2023-09-08 02:48:51,014 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:48:51,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:48:51,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1473908675, now seen corresponding path program 7 times [2023-09-08 02:48:51,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:48:51,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327340823] [2023-09-08 02:48:51,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:48:51,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:48:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:48:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:48:52,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:48:52,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327340823] [2023-09-08 02:48:52,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327340823] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:48:52,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927360187] [2023-09-08 02:48:52,787 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-08 02:48:52,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:48:52,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:48:52,788 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) [2023-09-08 02:48:52,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-09-08 02:48:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:48:52,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-08 02:48:52,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:48:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:48:56,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:49:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:49:00,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927360187] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:49:00,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:49:00,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2023-09-08 02:49:00,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769339905] [2023-09-08 02:49:00,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:49:00,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-09-08 02:49:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:49:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-09-08 02:49:00,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=971, Invalid=23521, Unknown=0, NotChecked=0, Total=24492 [2023-09-08 02:49:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:49:00,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:49:00,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.43312101910828) internal successors, (539), 157 states have internal predecessors, (539), 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) [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:49:00,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2023-09-08 02:49:00,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:50:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:50:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2023-09-08 02:50:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:50:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:50:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2023-09-08 02:50:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2023-09-08 02:50:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2023-09-08 02:50:03,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-09-08 02:50:03,531 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 [2023-09-08 02:50:03,532 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:50:03,532 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:50:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash 541169603, now seen corresponding path program 8 times [2023-09-08 02:50:03,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:50:03,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484962683] [2023-09-08 02:50:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:50:03,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:50:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:50:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:50:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:50:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484962683] [2023-09-08 02:50:05,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484962683] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:50:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148632733] [2023-09-08 02:50:05,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:50:05,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:50:05,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:50:05,251 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) [2023-09-08 02:50:05,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-09-08 02:50:05,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:50:05,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:50:05,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-08 02:50:05,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:50:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:50:08,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:50:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:50:12,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148632733] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:50:12,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:50:12,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2023-09-08 02:50:12,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968073837] [2023-09-08 02:50:12,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:50:12,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-09-08 02:50:12,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:50:12,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-09-08 02:50:13,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1013, Invalid=23479, Unknown=0, NotChecked=0, Total=24492 [2023-09-08 02:50:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:50:13,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:50:13,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.43312101910828) internal successors, (539), 157 states have internal predecessors, (539), 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) [2023-09-08 02:50:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:50:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:50:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:50:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:50:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:50:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 382 states. [2023-09-08 02:50:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:51:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:51:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:51:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:51:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:51:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2023-09-08 02:51:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 413 states. [2023-09-08 02:51:44,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-09-08 02:51:44,251 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 [2023-09-08 02:51:44,251 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:51:44,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:51:44,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1925057507, now seen corresponding path program 9 times [2023-09-08 02:51:44,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:51:44,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921603184] [2023-09-08 02:51:44,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:51:44,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:51:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:51:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:51:46,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:51:46,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921603184] [2023-09-08 02:51:46,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921603184] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:51:46,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075033428] [2023-09-08 02:51:46,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 02:51:46,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:51:46,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:51:46,358 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) [2023-09-08 02:51:46,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-09-08 02:51:46,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2023-09-08 02:51:46,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:51:46,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 55 conjunts are in the unsatisfiable core [2023-09-08 02:51:46,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:51:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 335 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:51:49,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:51:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:51:53,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075033428] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:51:53,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:51:53,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 157 [2023-09-08 02:51:53,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806267458] [2023-09-08 02:51:53,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:51:53,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-09-08 02:51:53,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:51:53,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-09-08 02:51:53,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=23526, Unknown=0, NotChecked=0, Total=24492 [2023-09-08 02:51:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:51:53,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:51:53,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 3.43312101910828) internal successors, (539), 157 states have internal predecessors, (539), 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) [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 267 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2023-09-08 02:51:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2023-09-08 02:51:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2023-09-08 02:51:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2023-09-08 02:51:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2023-09-08 02:51:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2023-09-08 02:51:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 413 states. [2023-09-08 02:51:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-08 02:52:42,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-09-08 02:52:42,445 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 02:52:42,445 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 [2023-09-08 02:52:42,445 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 [2023-09-08 02:52:42,613 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 [2023-09-08 02:52:42,614 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 431 known predicates. [2023-09-08 02:52:42,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 02:52:42,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 02:52:42,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 02:52:42,621 INFO L445 BasicCegarLoop]: Path program histogram: [9, 4, 2, 1, 1, 1] [2023-09-08 02:52:42,623 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 02:52:42,623 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 02:52:42,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:52:42 BasicIcfg [2023-09-08 02:52:42,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 02:52:42,626 INFO L158 Benchmark]: Toolchain (without parser) took 726459.33ms. Allocated memory was 263.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 228.3MB in the beginning and 631.9MB in the end (delta: -403.6MB). Peak memory consumption was 967.3MB. Max. memory is 7.0GB. [2023-09-08 02:52:42,626 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 02:52:42,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.60ms. Allocated memory is still 263.2MB. Free memory was 227.9MB in the beginning and 208.4MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. [2023-09-08 02:52:42,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 263.2MB. Free memory was 208.4MB in the beginning and 206.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 02:52:42,626 INFO L158 Benchmark]: Boogie Preprocessor took 31.50ms. Allocated memory is still 263.2MB. Free memory was 206.3MB in the beginning and 204.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-08 02:52:42,626 INFO L158 Benchmark]: RCFGBuilder took 331.96ms. Allocated memory is still 263.2MB. Free memory was 204.8MB in the beginning and 191.0MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. [2023-09-08 02:52:42,627 INFO L158 Benchmark]: TraceAbstraction took 725720.31ms. Allocated memory was 263.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 190.1MB in the beginning and 631.9MB in the end (delta: -441.8MB). Peak memory consumption was 929.6MB. Max. memory is 7.0GB. [2023-09-08 02:52:42,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 324.60ms. Allocated memory is still 263.2MB. Free memory was 227.9MB in the beginning and 208.4MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 263.2MB. Free memory was 208.4MB in the beginning and 206.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 31.50ms. Allocated memory is still 263.2MB. Free memory was 206.3MB in the beginning and 204.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 331.96ms. Allocated memory is still 263.2MB. Free memory was 204.8MB in the beginning and 191.0MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. * TraceAbstraction took 725720.31ms. Allocated memory was 263.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 190.1MB in the beginning and 631.9MB in the end (delta: -441.8MB). Peak memory consumption was 929.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 229]: Unsoundness Warning unspecified type, defaulting to int C: short [229] - GenericResultAtLocation [Line: 230]: Unsoundness Warning unspecified type, defaulting to int C: short [230] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4305369, independent: 3729093, independent conditional: 3729093, independent unconditional: 0, dependent: 576276, dependent conditional: 576276, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3741954, independent: 3729093, independent conditional: 3729093, independent unconditional: 0, dependent: 12861, dependent conditional: 12861, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3741954, independent: 3729093, independent conditional: 3729093, independent unconditional: 0, dependent: 12861, dependent conditional: 12861, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3907668, independent: 3729093, independent conditional: 4496, independent unconditional: 3724597, dependent: 178575, dependent conditional: 161218, dependent unconditional: 17357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3907668, independent: 3729093, independent conditional: 4496, independent unconditional: 3724597, dependent: 178575, dependent conditional: 63320, dependent unconditional: 115255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3907668, independent: 3729093, independent conditional: 4496, independent unconditional: 3724597, dependent: 178575, dependent conditional: 63320, dependent unconditional: 115255, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3567, independent: 943, independent conditional: 522, independent unconditional: 421, dependent: 2624, dependent conditional: 2621, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3567, independent: 421, independent conditional: 0, independent unconditional: 421, dependent: 3146, dependent conditional: 0, dependent unconditional: 3146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3146, independent: 522, independent conditional: 522, independent unconditional: 0, dependent: 2624, dependent conditional: 2621, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3146, independent: 522, independent conditional: 522, independent unconditional: 0, dependent: 2624, dependent conditional: 2621, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5692, independent: 955, independent conditional: 955, independent unconditional: 0, dependent: 4738, dependent conditional: 4705, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3907668, independent: 3728150, independent conditional: 3974, independent unconditional: 3724176, dependent: 175951, dependent conditional: 60699, dependent unconditional: 115252, unknown: 3567, unknown conditional: 3143, unknown unconditional: 424] , Statistics on independence cache: Total cache size (in pairs): 3567, Positive cache size: 943, Positive conditional cache size: 522, Positive unconditional cache size: 421, Negative cache size: 2624, Negative conditional cache size: 2621, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 97898, Maximal queried relation: 18, Independence queries for same thread: 563415 - 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 431 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 431 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 431 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 725.6s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 612.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3612, 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: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 107.3s InterpolantComputationTime, 5523 NumberOfCodeBlocks, 5523 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 7831 ConstructedInterpolants, 0 QuantifiedInterpolants, 99694 SizeOfPredicates, 546 NumberOfNonLiveVariables, 5607 ConjunctsInSsa, 693 ConjunctsInUnsatCore, 50 InterpolantComputations, 3 PerfectInterpolantSequences, 6492/22616 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