/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 10:31:11,327 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-04 10:31:11,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 10:31:11,430 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 10:31:11,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 10:31:11,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 10:31:11,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 10:31:11,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 10:31:11,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 10:31:11,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 10:31:11,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 10:31:11,433 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 10:31:11,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 10:31:11,433 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 10:31:11,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 10:31:11,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 10:31:11,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 10:31:11,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 10:31:11,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 10:31:11,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 10:31:11,435 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 10:31:11,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 10:31:11,435 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 10:31:11,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 10:31:11,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 10:31:11,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 10:31:11,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 10:31:11,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 10:31:11,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:31:11,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 10:31:11,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 10:31:11,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 10:31:11,437 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 10:31:11,437 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 10:31:11,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 10:31:11,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 10:31:11,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 10:31:11,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 10:31:11,438 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 10:31:11,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 10:31:11,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 10:31:11,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 10:31:11,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 10:31:11,701 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 10:31:11,701 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 10:31:11,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-12.i [2023-05-04 10:31:11,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c1e9d1d/091dffcabc0c45c1a232085b550b0b0f/FLAG410f003c6 [2023-05-04 10:31:12,243 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 10:31:12,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i [2023-05-04 10:31:12,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c1e9d1d/091dffcabc0c45c1a232085b550b0b0f/FLAG410f003c6 [2023-05-04 10:31:12,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c1e9d1d/091dffcabc0c45c1a232085b550b0b0f [2023-05-04 10:31:12,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 10:31:12,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 10:31:12,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 10:31:12,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 10:31:12,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 10:31:12,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:31:12" (1/1) ... [2023-05-04 10:31:12,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6a5df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:12, skipping insertion in model container [2023-05-04 10:31:12,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 10:31:12" (1/1) ... [2023-05-04 10:31:12,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 10:31:12,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 10:31:12,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254] [2023-05-04 10:31:12,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:31:12,987 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 10:31:13,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254] [2023-05-04 10:31:13,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 10:31:13,073 INFO L208 MainTranslator]: Completed translation [2023-05-04 10:31:13,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13 WrapperNode [2023-05-04 10:31:13,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 10:31:13,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 10:31:13,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 10:31:13,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 10:31:13,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,130 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-05-04 10:31:13,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 10:31:13,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 10:31:13,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 10:31:13,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 10:31:13,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,176 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 10:31:13,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 10:31:13,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 10:31:13,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 10:31:13,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (1/1) ... [2023-05-04 10:31:13,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 10:31:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:13,214 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) [2023-05-04 10:31:13,240 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 [2023-05-04 10:31:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 10:31:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 10:31:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 10:31:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 10:31:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 10:31:13,258 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 10:31:13,432 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 10:31:13,434 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 10:31:13,594 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 10:31:13,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 10:31:13,603 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 10:31:13,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:31:13 BoogieIcfgContainer [2023-05-04 10:31:13,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 10:31:13,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 10:31:13,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 10:31:13,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 10:31:13,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 10:31:12" (1/3) ... [2023-05-04 10:31:13,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45feec96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:31:13, skipping insertion in model container [2023-05-04 10:31:13,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 10:31:13" (2/3) ... [2023-05-04 10:31:13,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45feec96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 10:31:13, skipping insertion in model container [2023-05-04 10:31:13,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 10:31:13" (3/3) ... [2023-05-04 10:31:13,616 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-12.i [2023-05-04 10:31:13,623 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 10:31:13,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 10:31:13,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 10:31:13,634 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 10:31:13,683 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 10:31:13,734 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:31:13,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 10:31:13,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:13,736 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) [2023-05-04 10:31:13,748 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 [2023-05-04 10:31:13,785 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 10:31:13,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 10:31:13,816 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;@487b1a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 10:31:13,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 10:31:14,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:14,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:14,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2139247111, now seen corresponding path program 1 times [2023-05-04 10:31:14,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:14,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025425822] [2023-05-04 10:31:14,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:14,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:31:14,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:14,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025425822] [2023-05-04 10:31:14,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025425822] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:31:14,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:31:14,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 10:31:14,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796130250] [2023-05-04 10:31:14,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:31:14,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 10:31:14,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:14,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 10:31:14,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 10:31:14,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:14,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2023-05-04 10:31:14,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 10:31:14,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:14,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:14,359 INFO L85 PathProgramCache]: Analyzing trace with hash -771390681, now seen corresponding path program 1 times [2023-05-04 10:31:14,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:14,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296894174] [2023-05-04 10:31:14,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:14,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:31:14,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:14,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296894174] [2023-05-04 10:31:14,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296894174] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:31:14,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:31:14,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 10:31:14,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058253452] [2023-05-04 10:31:14,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:31:14,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 10:31:14,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:14,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 10:31:14,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 10:31:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:14,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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) [2023-05-04 10:31:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:14,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 10:31:14,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:14,674 INFO L85 PathProgramCache]: Analyzing trace with hash 459901496, now seen corresponding path program 1 times [2023-05-04 10:31:14,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:14,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854110383] [2023-05-04 10:31:14,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:14,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:14,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 10:31:14,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:14,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854110383] [2023-05-04 10:31:14,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854110383] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:31:14,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:31:14,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 10:31:14,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738576088] [2023-05-04 10:31:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:31:14,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 10:31:14,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:14,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 10:31:14,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 10:31:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:14,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2023-05-04 10:31:14,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:14,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:14,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 10:31:14,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash -810918045, now seen corresponding path program 1 times [2023-05-04 10:31:14,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:14,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338075009] [2023-05-04 10:31:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:31:15,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:15,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338075009] [2023-05-04 10:31:15,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338075009] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:15,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556240640] [2023-05-04 10:31:15,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:15,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:15,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:15,050 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) [2023-05-04 10:31:15,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 10:31:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:15,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 10:31:15,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:31:15,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 10:31:15,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556240640] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:15,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:15,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-05-04 10:31:15,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713928431] [2023-05-04 10:31:15,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:15,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 10:31:15,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:15,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 10:31:15,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-04 10:31:15,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:15,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.7) internal successors, (107), 10 states have internal predecessors, (107), 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) [2023-05-04 10:31:15,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:15,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 10:31:15,701 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,SelfDestructingSolverStorable3 [2023-05-04 10:31:15,701 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:15,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:15,702 INFO L85 PathProgramCache]: Analyzing trace with hash -171184697, now seen corresponding path program 1 times [2023-05-04 10:31:15,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:15,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94435641] [2023-05-04 10:31:15,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:15,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 10:31:15,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:15,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94435641] [2023-05-04 10:31:15,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94435641] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:31:15,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 10:31:15,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 10:31:15,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674120603] [2023-05-04 10:31:15,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:31:15,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 10:31:15,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:15,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 10:31:15,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 10:31:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:15,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-05-04 10:31:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:15,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:15,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 10:31:15,856 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:15,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:15,856 INFO L85 PathProgramCache]: Analyzing trace with hash 726123380, now seen corresponding path program 2 times [2023-05-04 10:31:15,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:15,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958463764] [2023-05-04 10:31:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:15,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 10:31:16,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:16,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958463764] [2023-05-04 10:31:16,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958463764] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:16,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469327598] [2023-05-04 10:31:16,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:31:16,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:16,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:16,065 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) [2023-05-04 10:31:16,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 10:31:16,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 10:31:16,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:31:16,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 10:31:16,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 10:31:16,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 10:31:16,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469327598] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:16,421 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:16,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2023-05-04 10:31:16,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134615864] [2023-05-04 10:31:16,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:16,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-04 10:31:16,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:16,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-04 10:31:16,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-05-04 10:31:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:16,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:16,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.933333333333334) internal successors, (194), 15 states have internal predecessors, (194), 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) [2023-05-04 10:31:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:16,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:16,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:16,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:16,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:16,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 10:31:16,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:16,861 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:16,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:16,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1591915236, now seen corresponding path program 3 times [2023-05-04 10:31:16,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:16,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777085199] [2023-05-04 10:31:16,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:16,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 44 proven. 27 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-04 10:31:17,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:17,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777085199] [2023-05-04 10:31:17,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777085199] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:17,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617678165] [2023-05-04 10:31:17,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 10:31:17,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:17,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:17,056 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) [2023-05-04 10:31:17,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 10:31:17,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-04 10:31:17,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:31:17,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 10:31:17,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 31 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 10:31:17,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 31 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 10:31:17,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617678165] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:17,406 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:17,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 21 [2023-05-04 10:31:17,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175446862] [2023-05-04 10:31:17,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:17,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-04 10:31:17,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:17,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-04 10:31:17,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2023-05-04 10:31:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:17,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:17,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.476190476190476) internal successors, (199), 21 states have internal predecessors, (199), 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) [2023-05-04 10:31:17,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:17,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:17,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:17,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:17,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:17,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:17,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 10:31:18,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:18,049 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:18,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:18,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2012092303, now seen corresponding path program 4 times [2023-05-04 10:31:18,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:18,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794600421] [2023-05-04 10:31:18,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:18,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 87 proven. 129 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 10:31:18,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:18,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794600421] [2023-05-04 10:31:18,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794600421] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:18,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481024040] [2023-05-04 10:31:18,277 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 10:31:18,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:18,278 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) [2023-05-04 10:31:18,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 10:31:18,381 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 10:31:18,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:31:18,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 10:31:18,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:18,501 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 87 proven. 129 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 10:31:18,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 87 proven. 129 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 10:31:18,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481024040] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:18,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:18,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-05-04 10:31:18,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050161683] [2023-05-04 10:31:18,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:18,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-04 10:31:18,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:18,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-04 10:31:18,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-05-04 10:31:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:18,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:18,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.833333333333334) internal successors, (231), 18 states have internal predecessors, (231), 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) [2023-05-04 10:31:18,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:18,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:18,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:18,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:18,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:18,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:18,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:18,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:18,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 10:31:19,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:19,049 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:19,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:19,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1515402397, now seen corresponding path program 5 times [2023-05-04 10:31:19,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:19,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571327185] [2023-05-04 10:31:19,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:19,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 151 proven. 163 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-05-04 10:31:19,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:19,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571327185] [2023-05-04 10:31:19,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571327185] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:19,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533714031] [2023-05-04 10:31:19,443 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 10:31:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:19,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:19,444 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) [2023-05-04 10:31:19,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 10:31:19,560 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-04 10:31:19,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:31:19,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 10:31:19,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 7 proven. 356 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 10:31:19,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 7 proven. 356 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 10:31:20,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533714031] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:20,326 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:20,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 40 [2023-05-04 10:31:20,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138242083] [2023-05-04 10:31:20,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:20,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-04 10:31:20,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:20,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-04 10:31:20,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=1313, Unknown=0, NotChecked=0, Total=1560 [2023-05-04 10:31:20,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:20,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:20,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 9.125) internal successors, (365), 40 states have internal predecessors, (365), 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) [2023-05-04 10:31:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:20,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:20,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:20,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:20,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:21,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:31:21,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 10:31:21,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:21,593 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:21,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:21,594 INFO L85 PathProgramCache]: Analyzing trace with hash -197452909, now seen corresponding path program 6 times [2023-05-04 10:31:21,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:21,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292648552] [2023-05-04 10:31:21,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:21,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 356 proven. 199 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-05-04 10:31:22,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:22,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292648552] [2023-05-04 10:31:22,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292648552] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:22,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202966005] [2023-05-04 10:31:22,162 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 10:31:22,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:22,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:22,165 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) [2023-05-04 10:31:22,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 10:31:22,306 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-04 10:31:22,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:31:22,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 10:31:22,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 356 proven. 199 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-05-04 10:31:22,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:22,681 INFO L134 CoverageAnalysis]: Checked inductivity of 964 backedges. 356 proven. 199 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-05-04 10:31:22,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202966005] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:22,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:22,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 27 [2023-05-04 10:31:22,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463659591] [2023-05-04 10:31:22,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:22,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 10:31:22,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:22,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 10:31:22,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2023-05-04 10:31:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:22,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:22,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.481481481481481) internal successors, (229), 27 states have internal predecessors, (229), 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) [2023-05-04 10:31:22,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:22,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:22,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:22,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:22,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:22,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:22,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:22,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:22,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:31:22,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:31:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:31:23,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 10:31:23,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:23,309 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:23,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1753970067, now seen corresponding path program 7 times [2023-05-04 10:31:23,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:23,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631472433] [2023-05-04 10:31:23,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:23,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 56 proven. 1076 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 10:31:24,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:24,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631472433] [2023-05-04 10:31:24,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631472433] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:24,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286541780] [2023-05-04 10:31:24,081 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 10:31:24,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:24,083 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) [2023-05-04 10:31:24,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 10:31:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:24,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 10:31:24,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 56 proven. 1076 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 10:31:24,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 56 proven. 1076 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 10:31:25,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286541780] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:25,206 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:25,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 54 [2023-05-04 10:31:25,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948449531] [2023-05-04 10:31:25,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:25,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 10:31:25,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:25,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 10:31:25,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=756, Invalid=2106, Unknown=0, NotChecked=0, Total=2862 [2023-05-04 10:31:25,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:25,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:25,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 8.24074074074074) internal successors, (445), 54 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:31:25,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:31:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:31:26,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:31:26,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 10:31:26,637 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,SelfDestructingSolverStorable10 [2023-05-04 10:31:26,637 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:26,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:26,638 INFO L85 PathProgramCache]: Analyzing trace with hash 900047048, now seen corresponding path program 8 times [2023-05-04 10:31:26,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:26,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668200933] [2023-05-04 10:31:26,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:26,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2809 backedges. 56 proven. 2727 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 10:31:28,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:28,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668200933] [2023-05-04 10:31:28,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668200933] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:28,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83762493] [2023-05-04 10:31:28,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:31:28,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:28,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:28,629 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) [2023-05-04 10:31:28,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 10:31:28,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 10:31:28,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:31:28,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-04 10:31:28,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2809 backedges. 56 proven. 2727 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 10:31:29,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:31:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2809 backedges. 56 proven. 2727 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 10:31:30,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83762493] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:31:30,254 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:31:30,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 55 [2023-05-04 10:31:30,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077680509] [2023-05-04 10:31:30,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:31:30,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-04 10:31:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:31:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-04 10:31:30,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970 [2023-05-04 10:31:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:30,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:31:30,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.4363636363636365) internal successors, (354), 55 states have internal predecessors, (354), 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) [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:31:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:31:31,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:31:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:31:31,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 10:31:31,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:31,682 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:31:31,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:31:31,683 INFO L85 PathProgramCache]: Analyzing trace with hash -864395725, now seen corresponding path program 9 times [2023-05-04 10:31:31,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:31:31,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797520771] [2023-05-04 10:31:31,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:31:31,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:31:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:31:41,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:31:41,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:31:41,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797520771] [2023-05-04 10:31:41,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797520771] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:31:41,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904175154] [2023-05-04 10:31:41,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 10:31:41,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:31:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:31:41,117 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) [2023-05-04 10:31:41,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 10:31:41,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2023-05-04 10:31:41,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:31:41,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 114 conjunts are in the unsatisfiable core [2023-05-04 10:31:41,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:31:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 572 proven. 2413 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:31:56,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:32:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2985 backedges. 0 proven. 2985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:32:15,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904175154] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:32:15,482 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:32:15,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 111, 111] total 327 [2023-05-04 10:32:15,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742598380] [2023-05-04 10:32:15,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:32:15,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 327 states [2023-05-04 10:32:15,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:32:15,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 327 interpolants. [2023-05-04 10:32:15,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5207, Invalid=101395, Unknown=0, NotChecked=0, Total=106602 [2023-05-04 10:32:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:32:15,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:32:15,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 327 states, 327 states have (on average 3.3180428134556577) internal successors, (1085), 327 states have internal predecessors, (1085), 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) [2023-05-04 10:32:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:32:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:32:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:32:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:33:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:33:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-04 10:33:16,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-04 10:33:17,010 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,SelfDestructingSolverStorable12 [2023-05-04 10:33:17,010 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:33:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:33:17,011 INFO L85 PathProgramCache]: Analyzing trace with hash -64797916, now seen corresponding path program 10 times [2023-05-04 10:33:17,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:33:17,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702493973] [2023-05-04 10:33:17,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:33:17,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:33:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:33:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 2436 proven. 101 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-05-04 10:33:17,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:33:17,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702493973] [2023-05-04 10:33:17,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702493973] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:33:17,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135978136] [2023-05-04 10:33:17,843 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 10:33:17,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:33:17,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:33:17,844 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) [2023-05-04 10:33:17,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 10:33:18,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 10:33:18,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:33:18,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 10:33:18,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:33:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 2537 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-05-04 10:33:18,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:33:18,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135978136] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:33:18,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:33:18,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [27] total 29 [2023-05-04 10:33:18,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642524698] [2023-05-04 10:33:18,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:33:18,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 10:33:18,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:33:18,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 10:33:18,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2023-05-04 10:33:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:33:18,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:33:18,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.555555555555555) internal successors, (258), 27 states have internal predecessors, (258), 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) [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:33:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-04 10:33:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 587 states. [2023-05-04 10:40:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:40:09,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 10:40:09,609 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,SelfDestructingSolverStorable13 [2023-05-04 10:40:09,610 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:40:09,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:40:09,610 INFO L85 PathProgramCache]: Analyzing trace with hash -590233892, now seen corresponding path program 11 times [2023-05-04 10:40:09,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:40:09,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840983111] [2023-05-04 10:40:09,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:40:09,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:40:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:40:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3229 backedges. 1464 proven. 45 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-05-04 10:40:10,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:40:10,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840983111] [2023-05-04 10:40:10,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840983111] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:40:10,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939828782] [2023-05-04 10:40:10,388 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 10:40:10,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:40:10,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:40:10,389 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) [2023-05-04 10:40:10,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 10:40:10,522 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2023-05-04 10:40:10,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:40:10,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-04 10:40:10,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:40:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3229 backedges. 3199 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 10:40:12,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:40:12,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939828782] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:40:12,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:40:12,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [27] total 80 [2023-05-04 10:40:12,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819437143] [2023-05-04 10:40:12,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:40:12,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-04 10:40:12,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:40:12,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-04 10:40:12,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=954, Invalid=5366, Unknown=0, NotChecked=0, Total=6320 [2023-05-04 10:40:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:12,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:40:12,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.381818181818182) internal successors, (351), 55 states have internal predecessors, (351), 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) [2023-05-04 10:40:12,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 587 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:40:12,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:15,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:40:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:40:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 595 states. [2023-05-04 10:40:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:40:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-04 10:40:15,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 10:40:15,429 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,SelfDestructingSolverStorable14 [2023-05-04 10:40:15,429 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:40:15,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:40:15,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2094353212, now seen corresponding path program 1 times [2023-05-04 10:40:15,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:40:15,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946992711] [2023-05-04 10:40:15,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:40:15,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:40:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:40:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3034 backedges. 1423 proven. 45 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2023-05-04 10:40:16,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:40:16,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946992711] [2023-05-04 10:40:16,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946992711] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:40:16,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368018145] [2023-05-04 10:40:16,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:40:16,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:40:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:40:16,080 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) [2023-05-04 10:40:16,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 10:40:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:40:16,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 10:40:16,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:40:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3034 backedges. 1468 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2023-05-04 10:40:16,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 10:40:16,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368018145] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 10:40:16,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 10:40:16,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [27] total 29 [2023-05-04 10:40:16,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318484750] [2023-05-04 10:40:16,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 10:40:16,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-04 10:40:16,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:40:16,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-04 10:40:16,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2023-05-04 10:40:16,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:16,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:40:16,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.62962962962963) internal successors, (206), 27 states have internal predecessors, (206), 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) [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:40:16,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:40:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:40:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:40:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 595 states. [2023-05-04 10:40:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:40:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-04 10:40:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:40:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:40:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 628 states. [2023-05-04 10:40:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:40:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-04 10:40:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:40:34,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 10:40:34,909 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,SelfDestructingSolverStorable15 [2023-05-04 10:40:34,909 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 10:40:34,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 10:40:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash 521280472, now seen corresponding path program 2 times [2023-05-04 10:40:34,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 10:40:34,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126709969] [2023-05-04 10:40:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 10:40:34,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 10:40:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 10:40:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2973 backedges. 0 proven. 2973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:40:43,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 10:40:43,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126709969] [2023-05-04 10:40:43,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126709969] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 10:40:43,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772087429] [2023-05-04 10:40:43,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 10:40:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:40:43,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 10:40:43,385 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) [2023-05-04 10:40:43,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 10:40:43,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 10:40:43,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 10:40:43,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 110 conjunts are in the unsatisfiable core [2023-05-04 10:40:43,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 10:40:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2973 backedges. 665 proven. 2308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:40:57,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 10:41:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2973 backedges. 0 proven. 2973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 10:41:16,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772087429] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 10:41:16,780 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 10:41:16,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [110, 110, 110] total 322 [2023-05-04 10:41:16,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334879325] [2023-05-04 10:41:16,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 10:41:16,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 322 states [2023-05-04 10:41:16,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 10:41:16,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 322 interpolants. [2023-05-04 10:41:16,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5112, Invalid=98250, Unknown=0, NotChecked=0, Total=103362 [2023-05-04 10:41:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:41:16,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 10:41:16,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 322 states, 322 states have (on average 3.3322981366459627) internal successors, (1073), 322 states have internal predecessors, (1073), 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) [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 10:41:16,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 628 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 10:41:16,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-04 10:43:35,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-04 10:43:35,251 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 [2023-05-04 10:43:35,251 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 10:43:35,257 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 [2023-05-04 10:43:35,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 10:43:35,412 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 662 known predicates. [2023-05-04 10:43:35,414 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 10:43:35,414 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 10:43:35,414 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 10:43:35,418 INFO L444 BasicCegarLoop]: Path program histogram: [11, 2, 1, 1, 1, 1] [2023-05-04 10:43:35,421 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 10:43:35,421 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 10:43:35,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 10:43:35 BasicIcfg [2023-05-04 10:43:35,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 10:43:35,423 INFO L158 Benchmark]: Toolchain (without parser) took 742852.95ms. Allocated memory was 254.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 225.3MB in the beginning and 433.9MB in the end (delta: -208.6MB). Peak memory consumption was 862.7MB. Max. memory is 8.0GB. [2023-05-04 10:43:35,423 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory was 145.8MB in the beginning and 145.7MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 10:43:35,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.73ms. Allocated memory is still 254.8MB. Free memory was 225.0MB in the beginning and 214.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-04 10:43:35,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.78ms. Allocated memory is still 254.8MB. Free memory was 214.2MB in the beginning and 212.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:43:35,424 INFO L158 Benchmark]: Boogie Preprocessor took 47.27ms. Allocated memory is still 254.8MB. Free memory was 212.1MB in the beginning and 210.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 10:43:35,424 INFO L158 Benchmark]: RCFGBuilder took 425.49ms. Allocated memory is still 254.8MB. Free memory was 210.6MB in the beginning and 196.9MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 10:43:35,424 INFO L158 Benchmark]: TraceAbstraction took 741815.05ms. Allocated memory was 254.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 195.4MB in the beginning and 433.9MB in the end (delta: -238.5MB). Peak memory consumption was 834.2MB. Max. memory is 8.0GB. [2023-05-04 10:43:35,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory was 145.8MB in the beginning and 145.7MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 502.73ms. Allocated memory is still 254.8MB. Free memory was 225.0MB in the beginning and 214.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.78ms. Allocated memory is still 254.8MB. Free memory was 214.2MB in the beginning and 212.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.27ms. Allocated memory is still 254.8MB. Free memory was 212.1MB in the beginning and 210.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 425.49ms. Allocated memory is still 254.8MB. Free memory was 210.6MB in the beginning and 196.9MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 741815.05ms. Allocated memory was 254.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 195.4MB in the beginning and 433.9MB in the end (delta: -238.5MB). Peak memory consumption was 834.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 335241, independent: 328130, independent conditional: 326051, independent unconditional: 2079, dependent: 7111, dependent conditional: 7104, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328261, independent: 328130, independent conditional: 326051, independent unconditional: 2079, dependent: 131, dependent conditional: 124, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 328261, independent: 328130, independent conditional: 326051, independent unconditional: 2079, dependent: 131, dependent conditional: 124, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329032, independent: 328130, independent conditional: 1, independent unconditional: 328129, dependent: 902, dependent conditional: 770, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 329032, independent: 328130, independent conditional: 1, independent unconditional: 328129, dependent: 902, dependent conditional: 123, dependent unconditional: 779, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 329032, independent: 328130, independent conditional: 1, independent unconditional: 328129, dependent: 902, dependent conditional: 123, dependent unconditional: 779, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1765, independent: 1750, independent conditional: 1, independent unconditional: 1749, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1765, independent: 1748, independent conditional: 0, independent unconditional: 1748, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 50, independent conditional: 2, independent unconditional: 48, dependent: 87, dependent conditional: 38, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 329032, independent: 326380, independent conditional: 0, independent unconditional: 326380, dependent: 887, dependent conditional: 115, dependent unconditional: 772, unknown: 1765, unknown conditional: 9, unknown unconditional: 1756] , Statistics on independence cache: Total cache size (in pairs): 1765, Positive cache size: 1750, Positive conditional cache size: 1, Positive unconditional cache size: 1749, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 647, Maximal queried relation: 12, Independence queries for same thread: 6980 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 1253, Number of trivial persistent sets: 1123, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2086, independent: 2079, independent conditional: 0, independent unconditional: 2079, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 335241, independent: 328130, independent conditional: 326051, independent unconditional: 2079, dependent: 7111, dependent conditional: 7104, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328261, independent: 328130, independent conditional: 326051, independent unconditional: 2079, dependent: 131, dependent conditional: 124, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 328261, independent: 328130, independent conditional: 326051, independent unconditional: 2079, dependent: 131, dependent conditional: 124, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329032, independent: 328130, independent conditional: 1, independent unconditional: 328129, dependent: 902, dependent conditional: 770, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 329032, independent: 328130, independent conditional: 1, independent unconditional: 328129, dependent: 902, dependent conditional: 123, dependent unconditional: 779, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 329032, independent: 328130, independent conditional: 1, independent unconditional: 328129, dependent: 902, dependent conditional: 123, dependent unconditional: 779, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1765, independent: 1750, independent conditional: 1, independent unconditional: 1749, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1765, independent: 1748, independent conditional: 0, independent unconditional: 1748, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 1, independent unconditional: 1, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 50, independent conditional: 2, independent unconditional: 48, dependent: 87, dependent conditional: 38, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 329032, independent: 326380, independent conditional: 0, independent unconditional: 326380, dependent: 887, dependent conditional: 115, dependent unconditional: 772, unknown: 1765, unknown conditional: 9, unknown unconditional: 1756] , Statistics on independence cache: Total cache size (in pairs): 1765, Positive cache size: 1750, Positive conditional cache size: 1, Positive unconditional cache size: 1749, Negative cache size: 15, Negative conditional cache size: 8, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 647, Maximal queried relation: 12, Independence queries for same thread: 6980 - 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 662 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 662 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 662 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 741.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 637.6s, 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: 1478, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 98.3s InterpolantComputationTime, 7137 NumberOfCodeBlocks, 7069 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 9376 ConstructedInterpolants, 0 QuantifiedInterpolants, 60409 SizeOfPredicates, 390 NumberOfNonLiveVariables, 6285 ConjunctsInSsa, 468 ConjunctsInUnsatCore, 40 InterpolantComputations, 7 PerfectInterpolantSequences, 24125/54352 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