/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 02:40:35,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 02:40:35,745 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 02:40:35,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 02:40:35,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 02:40:35,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 02:40:35,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 02:40:35,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 02:40:35,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 02:40:35,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 02:40:35,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 02:40:35,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 02:40:35,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 02:40:35,783 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 02:40:35,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 02:40:35,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 02:40:35,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 02:40:35,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 02:40:35,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 02:40:35,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 02:40:35,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 02:40:35,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 02:40:35,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 02:40:35,786 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 02:40:35,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 02:40:35,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 02:40:35,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 02:40:35,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 02:40:35,787 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 02:40:35,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 02:40:35,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:40:35,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 02:40:35,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 02:40:35,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 02:40:35,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 02:40:35,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 02:40:35,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 02:40:35,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 02:40:35,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 02:40:35,790 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 02:40:35,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 02:40:36,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 02:40:36,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 02:40:36,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 02:40:36,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 02:40:36,049 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 02:40:36,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-12.i [2023-09-08 02:40:37,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 02:40:37,469 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 02:40:37,470 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i [2023-09-08 02:40:37,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a95b8f987/a33ad42b735c4dbf931c7ea412d1d1ce/FLAGf71965e73 [2023-09-08 02:40:37,497 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a95b8f987/a33ad42b735c4dbf931c7ea412d1d1ce [2023-09-08 02:40:37,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 02:40:37,500 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 02:40:37,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 02:40:37,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 02:40:37,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 02:40:37,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:37,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2056ab6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37, skipping insertion in model container [2023-09-08 02:40:37,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:37,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 02:40:37,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254] [2023-09-08 02:40:37,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:40:37,872 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 02:40:37,900 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [229] [2023-09-08 02:40:37,901 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [230] [2023-09-08 02:40:37,923 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-12.i[30241,30254] [2023-09-08 02:40:37,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 02:40:37,963 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 02:40:37,963 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 02:40:37,969 INFO L206 MainTranslator]: Completed translation [2023-09-08 02:40:37,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37 WrapperNode [2023-09-08 02:40:37,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 02:40:37,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 02:40:37,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 02:40:37,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 02:40:37,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:37,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,006 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-09-08 02:40:38,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 02:40:38,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 02:40:38,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 02:40:38,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 02:40:38,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 02:40:38,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 02:40:38,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 02:40:38,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 02:40:38,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (1/1) ... [2023-09-08 02:40:38,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 02:40:38,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:38,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-08 02:40:38,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-08 02:40:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-09-08 02:40:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-09-08 02:40:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-09-08 02:40:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 02:40:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 02:40:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 02:40:38,117 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 02:40:38,225 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 02:40:38,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 02:40:38,377 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 02:40:38,382 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 02:40:38,383 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-08 02:40:38,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:40:38 BoogieIcfgContainer [2023-09-08 02:40:38,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 02:40:38,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 02:40:38,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 02:40:38,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 02:40:38,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 02:40:37" (1/3) ... [2023-09-08 02:40:38,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28308bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:40:38, skipping insertion in model container [2023-09-08 02:40:38,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:40:37" (2/3) ... [2023-09-08 02:40:38,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28308bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 02:40:38, skipping insertion in model container [2023-09-08 02:40:38,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:40:38" (3/3) ... [2023-09-08 02:40:38,392 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-12.i [2023-09-08 02:40:38,399 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 02:40:38,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 02:40:38,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 02:40:38,408 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 02:40:38,471 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-08 02:40:38,502 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:40:38,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 02:40:38,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:38,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 02:40:38,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-08 02:40:38,542 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 02:40:38,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 02:40:38,554 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;@135f018, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 02:40:38,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-09-08 02:40:38,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:38,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:38,796 INFO L85 PathProgramCache]: Analyzing trace with hash 95801150, now seen corresponding path program 1 times [2023-09-08 02:40:38,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:38,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822848476] [2023-09-08 02:40:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:38,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:39,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:39,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822848476] [2023-09-08 02:40:39,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822848476] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 02:40:39,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 02:40:39,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-08 02:40:39,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390543449] [2023-09-08 02:40:39,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 02:40:39,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-08 02:40:39,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:39,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-08 02:40:39,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-08 02:40:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:39,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:39,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:40:39,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:39,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:39,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 02:40:39,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:39,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:39,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times [2023-09-08 02:40:39,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:39,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038833096] [2023-09-08 02:40:39,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:39,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:39,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038833096] [2023-09-08 02:40:39,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038833096] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:39,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326953381] [2023-09-08 02:40:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:39,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:39,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:39,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:40:39,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 02:40:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:39,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-09-08 02:40:39,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:39,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:39,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326953381] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:39,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:39,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-09-08 02:40:39,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561635309] [2023-09-08 02:40:39,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:39,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-08 02:40:39,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:39,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-08 02:40:39,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-09-08 02:40:39,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:39,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:39,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:40:39,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:39,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:39,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-08 02:40:40,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-09-08 02:40:40,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:40,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1869128357, now seen corresponding path program 2 times [2023-09-08 02:40:40,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:40,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999968529] [2023-09-08 02:40:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:40,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:40,254 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:40,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:40,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999968529] [2023-09-08 02:40:40,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999968529] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:40,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540613387] [2023-09-08 02:40:40,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:40:40,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:40,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:40,257 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:40:40,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 02:40:40,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:40:40,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:40:40,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-08 02:40:40,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:40,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:40,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540613387] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:40,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:40,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-09-08 02:40:40,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318768515] [2023-09-08 02:40:40,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:40,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-09-08 02:40:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:40,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-09-08 02:40:40,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-09-08 02:40:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:40,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:40,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.666666666666667) internal successors, (102), 18 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:40:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:40,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:40,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:40,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:40,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-08 02:40:40,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:40,946 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:40,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:40,947 INFO L85 PathProgramCache]: Analyzing trace with hash 526543515, now seen corresponding path program 3 times [2023-09-08 02:40:40,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:40,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192694234] [2023-09-08 02:40:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:40,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192694234] [2023-09-08 02:40:41,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192694234] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768079906] [2023-09-08 02:40:41,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 02:40:41,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:41,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:41,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:40:41,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 02:40:41,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-09-08 02:40:41,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:40:41,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-08 02:40:41,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:41,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:41,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768079906] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:41,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:41,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2023-09-08 02:40:41,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136441084] [2023-09-08 02:40:41,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:41,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-08 02:40:41,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:41,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-08 02:40:41,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2023-09-08 02:40:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:41,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:41,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.647058823529412) internal successors, (158), 34 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:40:41,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:41,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:42,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:42,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:42,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:40:42,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 02:40:42,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:42,610 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:42,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:42,611 INFO L85 PathProgramCache]: Analyzing trace with hash -578591461, now seen corresponding path program 4 times [2023-09-08 02:40:42,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:42,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607614257] [2023-09-08 02:40:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:42,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:43,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:43,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607614257] [2023-09-08 02:40:43,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607614257] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:43,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879473005] [2023-09-08 02:40:43,438 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 02:40:43,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:43,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:43,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:40:43,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-08 02:40:43,564 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 02:40:43,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:40:43,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-08 02:40:43,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:40:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:43,754 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:40:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:44,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879473005] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:40:44,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:40:44,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 55 [2023-09-08 02:40:44,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158584178] [2023-09-08 02:40:44,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:40:44,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-09-08 02:40:44,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:40:44,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-09-08 02:40:44,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970 [2023-09-08 02:40:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:44,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:40:44,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.2727272727272725) internal successors, (235), 55 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:40:44,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:44,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:44,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:44,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:40:44,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:40:46,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:40:46,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:40:46,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:40:46,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:40:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-09-08 02:40:46,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-08 02:40:46,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:46,223 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:40:46,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:40:46,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2110187234, now seen corresponding path program 5 times [2023-09-08 02:40:46,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:40:46,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746029632] [2023-09-08 02:40:46,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:40:46,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:40:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:40:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:40:52,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:40:52,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746029632] [2023-09-08 02:40:52,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746029632] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:40:52,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746077677] [2023-09-08 02:40:52,126 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 02:40:52,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:40:52,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:40:52,129 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:40:52,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-08 02:40:52,264 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2023-09-08 02:40:52,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:40:52,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 87 conjunts are in the unsatisfiable core [2023-09-08 02:40:52,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:41:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 1980 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:41:01,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:41:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:41:12,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746077677] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:41:12,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:41:12,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87, 87] total 253 [2023-09-08 02:41:12,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275736886] [2023-09-08 02:41:12,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:41:12,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2023-09-08 02:41:12,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:41:12,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2023-09-08 02:41:12,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3662, Invalid=60094, Unknown=0, NotChecked=0, Total=63756 [2023-09-08 02:41:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:41:12,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:41:12,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 253 states have (on average 2.6482213438735176) internal successors, (670), 253 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:41:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:41:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:41:12,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:41:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:41:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-09-08 02:41:12,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:46:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:46:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:46:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:46:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:46:38,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-09-08 02:46:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 575 states. [2023-09-08 02:46:38,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-08 02:46:38,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:46:38,634 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:46:38,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:46:38,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1145568445, now seen corresponding path program 1 times [2023-09-08 02:46:38,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:46:38,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465915299] [2023-09-08 02:46:38,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:46:38,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:46:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:46:44,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 0 proven. 2303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:46:44,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:46:44,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465915299] [2023-09-08 02:46:44,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465915299] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:46:44,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980252769] [2023-09-08 02:46:44,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:46:44,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:46:44,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:46:44,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:46:44,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-08 02:46:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:46:44,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 92 conjunts are in the unsatisfiable core [2023-09-08 02:46:44,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:46:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 1980 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:46:53,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:47:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 0 proven. 2303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:47:08,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980252769] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:47:08,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:47:08,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 89, 89] total 262 [2023-09-08 02:47:08,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77529918] [2023-09-08 02:47:08,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:47:08,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2023-09-08 02:47:08,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:47:08,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2023-09-08 02:47:08,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3671, Invalid=64711, Unknown=0, NotChecked=0, Total=68382 [2023-09-08 02:47:08,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:47:08,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:47:08,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 2.6755725190839694) internal successors, (701), 262 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:47:08,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:47:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:47:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:47:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:47:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-09-08 02:47:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 575 states. [2023-09-08 02:47:08,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:48:00,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 02:48:02,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-09-08 02:52:36,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:52:36,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:52:36,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:52:36,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:52:36,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-09-08 02:52:36,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 575 states. [2023-09-08 02:52:36,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 566 states. [2023-09-08 02:52:36,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-08 02:52:36,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:52:36,273 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 02:52:36,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 02:52:36,273 INFO L85 PathProgramCache]: Analyzing trace with hash -284665091, now seen corresponding path program 2 times [2023-09-08 02:52:36,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 02:52:36,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081872414] [2023-09-08 02:52:36,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 02:52:36,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 02:52:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 02:52:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 0 proven. 2361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:52:42,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 02:52:42,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081872414] [2023-09-08 02:52:42,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081872414] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 02:52:42,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864560161] [2023-09-08 02:52:42,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 02:52:42,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 02:52:42,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 02:52:42,311 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 02:52:42,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-08 02:52:42,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 02:52:42,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 02:52:42,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 93 conjunts are in the unsatisfiable core [2023-09-08 02:52:42,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 02:52:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 1980 proven. 381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:52:53,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 02:53:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 0 proven. 2361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 02:53:07,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864560161] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 02:53:07,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 02:53:07,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 93, 93] total 272 [2023-09-08 02:53:07,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228089357] [2023-09-08 02:53:07,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 02:53:07,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 272 states [2023-09-08 02:53:07,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 02:53:07,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 272 interpolants. [2023-09-08 02:53:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3748, Invalid=69964, Unknown=0, NotChecked=0, Total=73712 [2023-09-08 02:53:07,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 02:53:07,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 02:53:07,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 272 states, 272 states have (on average 2.786764705882353) internal successors, (758), 272 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 02:53:07,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 02:53:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-08 02:53:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-09-08 02:53:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-09-08 02:53:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-09-08 02:53:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 575 states. [2023-09-08 02:53:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 566 states. [2023-09-08 02:53:07,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-08 02:53:07,910 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 02:53:07,910 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 02:53:07,913 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 02:53:07,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-08 02:53:08,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-09-08 02:53:08,151 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-09-08 02:53:08,155 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 02:53:08,155 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 02:53:08,155 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 02:53:08,159 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 1] [2023-09-08 02:53:08,162 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 02:53:08,162 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 02:53:08,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 02:53:08 BasicIcfg [2023-09-08 02:53:08,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 02:53:08,165 INFO L158 Benchmark]: Toolchain (without parser) took 750664.63ms. Allocated memory was 256.9MB in the beginning and 1.1GB in the end (delta: 852.5MB). Free memory was 202.6MB in the beginning and 238.9MB in the end (delta: -36.4MB). Peak memory consumption was 817.7MB. Max. memory is 7.0GB. [2023-09-08 02:53:08,165 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 02:53:08,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.26ms. Allocated memory is still 256.9MB. Free memory was 202.6MB in the beginning and 183.0MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. [2023-09-08 02:53:08,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.99ms. Allocated memory is still 256.9MB. Free memory was 183.0MB in the beginning and 181.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 02:53:08,165 INFO L158 Benchmark]: Boogie Preprocessor took 32.36ms. Allocated memory is still 256.9MB. Free memory was 181.1MB in the beginning and 179.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-08 02:53:08,166 INFO L158 Benchmark]: RCFGBuilder took 344.16ms. Allocated memory is still 256.9MB. Free memory was 179.5MB in the beginning and 164.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. [2023-09-08 02:53:08,166 INFO L158 Benchmark]: TraceAbstraction took 749777.53ms. Allocated memory was 256.9MB in the beginning and 1.1GB in the end (delta: 852.5MB). Free memory was 164.3MB in the beginning and 238.9MB in the end (delta: -74.6MB). Peak memory consumption was 778.9MB. Max. memory is 7.0GB. [2023-09-08 02:53:08,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 468.26ms. Allocated memory is still 256.9MB. Free memory was 202.6MB in the beginning and 183.0MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 36.99ms. Allocated memory is still 256.9MB. Free memory was 183.0MB in the beginning and 181.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 32.36ms. Allocated memory is still 256.9MB. Free memory was 181.1MB in the beginning and 179.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 344.16ms. Allocated memory is still 256.9MB. Free memory was 179.5MB in the beginning and 164.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. * TraceAbstraction took 749777.53ms. Allocated memory was 256.9MB in the beginning and 1.1GB in the end (delta: 852.5MB). Free memory was 164.3MB in the beginning and 238.9MB in the end (delta: -74.6MB). Peak memory consumption was 778.9MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 229]: Unsoundness Warning unspecified type, defaulting to int C: short [229] - GenericResultAtLocation [Line: 230]: Unsoundness Warning unspecified type, defaulting to int C: short [230] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 522594, independent: 453725, independent conditional: 453725, independent unconditional: 0, dependent: 68869, dependent conditional: 68869, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 456282, independent: 453725, independent conditional: 453725, independent unconditional: 0, dependent: 2557, dependent conditional: 2557, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 456282, independent: 453725, independent conditional: 453725, independent unconditional: 0, dependent: 2557, dependent conditional: 2557, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 473382, independent: 453725, independent conditional: 6, independent unconditional: 453719, dependent: 19657, dependent conditional: 17094, dependent unconditional: 2563, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 473382, independent: 453725, independent conditional: 6, independent unconditional: 453719, dependent: 19657, dependent conditional: 3925, dependent unconditional: 15732, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 473382, independent: 453725, independent conditional: 6, independent unconditional: 453719, dependent: 19657, dependent conditional: 3925, dependent unconditional: 15732, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1375, independent: 414, independent conditional: 6, independent unconditional: 408, dependent: 961, dependent conditional: 959, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1375, independent: 408, independent conditional: 0, independent unconditional: 408, dependent: 967, dependent conditional: 0, dependent unconditional: 967, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 967, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 961, dependent conditional: 959, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 967, independent: 6, independent conditional: 6, independent unconditional: 0, dependent: 961, dependent conditional: 959, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2334, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 2320, dependent conditional: 2282, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 473382, independent: 453311, independent conditional: 0, independent unconditional: 453311, dependent: 18696, dependent conditional: 2966, dependent unconditional: 15730, unknown: 1375, unknown conditional: 965, unknown unconditional: 410] , Statistics on independence cache: Total cache size (in pairs): 1375, Positive cache size: 414, Positive conditional cache size: 6, Positive unconditional cache size: 408, Negative cache size: 961, Negative conditional cache size: 959, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13169, Maximal queried relation: 7, Independence queries for same thread: 66312 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 749.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 656.0s, 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: 1299, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 90.5s InterpolantComputationTime, 2297 NumberOfCodeBlocks, 2297 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 3398 ConstructedInterpolants, 0 QuantifiedInterpolants, 34117 SizeOfPredicates, 304 NumberOfNonLiveVariables, 2301 ConjunctsInSsa, 332 ConjunctsInUnsatCore, 22 InterpolantComputations, 1 PerfectInterpolantSequences, 5940/23682 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