/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/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 18:55:44,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 18:55:44,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 18:55:44,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 18:55:44,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 18:55:44,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 18:55:44,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 18:55:44,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-03-23 18:55:44,722 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 18:55:44,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 18:55:44,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 18:55:44,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 18:55:44,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 18:55:44,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 18:55:44,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 18:55:44,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 18:55:44,724 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 18:55:44,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 18:55:44,724 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 18:55:44,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 18:55:44,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 18:55:44,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 18:55:44,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 18:55:44,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 18:55:44,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 18:55:44,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 18:55:44,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-03-23 18:55:44,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 18:55:44,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 18:55:44,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 18:55:44,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 18:55:44,922 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 18:55:44,922 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 18:55:44,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-03-23 18:55:45,897 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 18:55:46,070 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 18:55:46,070 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c [2023-03-23 18:55:46,074 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0038bd6e/0a4b570718914184aa8d59f93d01c7ec/FLAG11abc1bb2 [2023-03-23 18:55:46,084 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0038bd6e/0a4b570718914184aa8d59f93d01c7ec [2023-03-23 18:55:46,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 18:55:46,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 18:55:46,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 18:55:46,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 18:55:46,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 18:55:46,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49985196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46, skipping insertion in model container [2023-03-23 18:55:46,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 18:55:46,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 18:55:46,255 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c[2641,2654] [2023-03-23 18:55:46,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 18:55:46,272 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 18:55:46,300 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-3.wvr.c[2641,2654] [2023-03-23 18:55:46,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 18:55:46,316 INFO L208 MainTranslator]: Completed translation [2023-03-23 18:55:46,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46 WrapperNode [2023-03-23 18:55:46,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 18:55:46,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 18:55:46,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 18:55:46,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 18:55:46,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,355 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 165 [2023-03-23 18:55:46,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 18:55:46,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 18:55:46,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 18:55:46,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 18:55:46,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 18:55:46,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 18:55:46,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 18:55:46,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 18:55:46,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (1/1) ... [2023-03-23 18:55:46,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 18:55:46,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 18:55:46,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 18:55:46,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 18:55:46,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 18:55:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 18:55:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 18:55:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 18:55:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 18:55:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 18:55:46,436 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 18:55:46,537 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 18:55:46,538 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 18:55:46,738 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 18:55:46,744 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 18:55:46,744 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-23 18:55:46,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 06:55:46 BoogieIcfgContainer [2023-03-23 18:55:46,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 18:55:46,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 18:55:46,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 18:55:46,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 18:55:46,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 06:55:46" (1/3) ... [2023-03-23 18:55:46,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c800a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 06:55:46, skipping insertion in model container [2023-03-23 18:55:46,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 06:55:46" (2/3) ... [2023-03-23 18:55:46,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c800a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 06:55:46, skipping insertion in model container [2023-03-23 18:55:46,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 06:55:46" (3/3) ... [2023-03-23 18:55:46,751 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2023-03-23 18:55:46,756 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 18:55:46,772 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 18:55:46,772 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 18:55:46,772 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 18:55:46,855 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 18:55:46,882 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 18:55:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 18:55:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 18:55:46,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-03-23 18:55:46,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-03-23 18:55:46,919 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 18:55:46,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-23 18:55:46,929 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;@4233e399, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 18:55:46,929 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-03-23 18:55:47,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:55:47,119 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:55:47,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1225442736, now seen corresponding path program 1 times [2023-03-23 18:55:47,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:55:47,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651040804] [2023-03-23 18:55:47,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:47,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:55:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:47,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:55:47,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651040804] [2023-03-23 18:55:47,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651040804] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 18:55:47,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 18:55:47,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 18:55:47,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950905819] [2023-03-23 18:55:47,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 18:55:47,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 18:55:47,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 18:55:47,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 18:55:47,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 18:55:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:47,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 18:55:47,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 18:55:47,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:47,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:47,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 18:55:47,356 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:55:47,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:55:47,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1863923923, now seen corresponding path program 1 times [2023-03-23 18:55:47,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:55:47,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30660227] [2023-03-23 18:55:47,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:47,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:55:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:47,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:55:47,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30660227] [2023-03-23 18:55:47,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30660227] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 18:55:47,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 18:55:47,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-23 18:55:47,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39891850] [2023-03-23 18:55:47,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 18:55:47,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 18:55:47,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 18:55:47,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 18:55:47,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-03-23 18:55:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:47,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 18:55:47,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 18:55:47,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:47,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:47,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:47,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 18:55:47,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:55:47,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:55:47,882 INFO L85 PathProgramCache]: Analyzing trace with hash 550813559, now seen corresponding path program 1 times [2023-03-23 18:55:47,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:55:47,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469864228] [2023-03-23 18:55:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:47,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:55:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:48,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:55:48,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469864228] [2023-03-23 18:55:48,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469864228] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 18:55:48,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880708325] [2023-03-23 18:55:48,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:48,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:55:48,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 18:55:48,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 18:55:48,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 18:55:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:48,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 14 conjunts are in the unsatisfiable core [2023-03-23 18:55:48,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 18:55:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:48,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 18:55:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880708325] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 18:55:48,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 18:55:48,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2023-03-23 18:55:48,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772495415] [2023-03-23 18:55:48,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 18:55:48,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-03-23 18:55:48,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 18:55:48,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-03-23 18:55:48,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-03-23 18:55:48,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:48,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 18:55:48,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.8) internal successors, (147), 15 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 18:55:48,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:48,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:48,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-23 18:55:49,110 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,SelfDestructingSolverStorable2 [2023-03-23 18:55:49,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:55:49,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:55:49,112 INFO L85 PathProgramCache]: Analyzing trace with hash 359569601, now seen corresponding path program 2 times [2023-03-23 18:55:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:55:49,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646671307] [2023-03-23 18:55:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:55:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-23 18:55:49,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:55:49,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646671307] [2023-03-23 18:55:49,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646671307] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 18:55:49,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 18:55:49,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-23 18:55:49,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185940791] [2023-03-23 18:55:49,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 18:55:49,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-23 18:55:49,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 18:55:49,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-23 18:55:49,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-23 18:55:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:49,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 18:55:49,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 18:55:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:49,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:49,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:49,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:49,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:49,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 18:55:49,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-23 18:55:49,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:55:49,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:55:49,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1113010146, now seen corresponding path program 1 times [2023-03-23 18:55:49,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:55:49,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254348473] [2023-03-23 18:55:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:49,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:55:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:50,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:55:50,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254348473] [2023-03-23 18:55:50,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254348473] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 18:55:50,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811594340] [2023-03-23 18:55:50,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:50,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:55:50,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 18:55:50,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 18:55:50,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 18:55:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:50,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 47 conjunts are in the unsatisfiable core [2023-03-23 18:55:50,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 18:55:51,493 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:51,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 18:55:52,088 INFO L321 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2023-03-23 18:55:52,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 80 [2023-03-23 18:55:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 18:55:52,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811594340] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 18:55:52,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 18:55:52,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 22] total 52 [2023-03-23 18:55:52,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585805607] [2023-03-23 18:55:52,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 18:55:52,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-03-23 18:55:52,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 18:55:52,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-03-23 18:55:52,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=2329, Unknown=0, NotChecked=0, Total=2652 [2023-03-23 18:55:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:52,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 18:55:52,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.923076923076923) internal successors, (308), 52 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 18:55:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 18:55:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 18:55:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 18:55:54,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-23 18:55:54,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:55:54,382 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:55:54,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:55:54,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1996784307, now seen corresponding path program 2 times [2023-03-23 18:55:54,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:55:54,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387841290] [2023-03-23 18:55:54,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:54,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:55:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 18:55:54,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:55:54,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387841290] [2023-03-23 18:55:54,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387841290] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 18:55:54,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596267350] [2023-03-23 18:55:54,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 18:55:54,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:55:54,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 18:55:54,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 18:55:54,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 18:55:55,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 18:55:55,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 18:55:55,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 20 conjunts are in the unsatisfiable core [2023-03-23 18:55:55,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 18:55:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 18:55:55,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 18:55:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 18:55:55,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596267350] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 18:55:55,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 18:55:55,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 12] total 31 [2023-03-23 18:55:55,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291506236] [2023-03-23 18:55:55,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 18:55:55,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-03-23 18:55:55,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 18:55:55,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-03-23 18:55:55,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=723, Unknown=0, NotChecked=0, Total=930 [2023-03-23 18:55:55,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:55,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 18:55:55,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.67741935483871) internal successors, (238), 31 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 18:55:55,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:55,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:55,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:55,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 18:55:55,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-03-23 18:55:55,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:56,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 18:55:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 18:55:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 18:55:56,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 18:55:57,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:55:57,022 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:55:57,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:55:57,022 INFO L85 PathProgramCache]: Analyzing trace with hash 138800337, now seen corresponding path program 1 times [2023-03-23 18:55:57,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:55:57,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051920016] [2023-03-23 18:55:57,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:57,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:55:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 18:55:57,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:55:57,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051920016] [2023-03-23 18:55:57,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051920016] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 18:55:57,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482635508] [2023-03-23 18:55:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:55:57,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:55:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 18:55:57,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 18:55:57,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-23 18:55:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:55:57,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 38 conjunts are in the unsatisfiable core [2023-03-23 18:55:57,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 18:55:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 18:55:58,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 18:55:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-23 18:55:58,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482635508] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 18:55:58,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 18:55:58,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 39 [2023-03-23 18:55:58,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746252562] [2023-03-23 18:55:58,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 18:55:58,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-03-23 18:55:58,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 18:55:58,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-03-23 18:55:58,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1354, Unknown=0, NotChecked=0, Total=1482 [2023-03-23 18:55:58,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:58,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 18:55:58,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.564102564102564) internal successors, (295), 39 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 18:55:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:55:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:55:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:55:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 18:55:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-03-23 18:55:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 18:55:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:56:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 18:56:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-23 18:56:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-23 18:56:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 18:56:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-03-23 18:56:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 18:56:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-03-23 18:56:00,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-23 18:56:00,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:56:00,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-03-23 18:56:00,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 18:56:00,468 INFO L85 PathProgramCache]: Analyzing trace with hash -576404581, now seen corresponding path program 2 times [2023-03-23 18:56:00,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 18:56:00,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143069386] [2023-03-23 18:56:00,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 18:56:00,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 18:56:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 18:56:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 5 proven. 130 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-23 18:56:10,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 18:56:10,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143069386] [2023-03-23 18:56:10,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143069386] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 18:56:10,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717504304] [2023-03-23 18:56:10,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 18:56:10,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 18:56:10,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 18:56:10,677 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 18:56:10,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-23 18:56:10,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 18:56:10,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 18:56:10,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 106 conjunts are in the unsatisfiable core [2023-03-23 18:56:10,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 18:56:11,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-03-23 18:56:12,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 18:56:12,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 18:56:15,515 INFO L321 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2023-03-23 18:56:15,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 44 [2023-03-23 18:56:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-03-23 18:56:15,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 18:56:29,190 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 18:56:29,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 970 treesize of output 550 [2023-03-23 18:56:30,134 INFO L321 Elim1Store]: treesize reduction 5, result has 98.8 percent of original size [2023-03-23 18:56:30,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 1388 treesize of output 1583 [2023-03-23 18:56:31,324 INFO L321 Elim1Store]: treesize reduction 8, result has 98.4 percent of original size [2023-03-23 18:56:31,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 1424 treesize of output 1352 [2023-03-23 18:56:32,905 INFO L321 Elim1Store]: treesize reduction 8, result has 98.4 percent of original size [2023-03-23 18:56:32,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 545 treesize of output 797 [2023-03-23 18:57:03,898 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 18:57:49,342 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 18:57:51,138 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 18:58:00,444 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-03-23 19:02:07,020 WARN L222 SmtUtils]: Spent 12.05s on a formula simplification. DAG size of input: 585 DAG size of output: 666 (called from [L 809] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-03-23 19:05:00,121 WARN L222 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 597 DAG size of output: 650 (called from [L 809] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-03-23 19:05:07,012 WARN L238 SmtUtils]: Removed 1 from assertion stack [2023-03-23 19:05:07,014 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-03-23 19:05:07,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-03-23 19:05:07,026 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 19:05:07,026 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 19:05:07,026 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 19:05:07,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 19:05:07,222 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-95-15-7-13-16-12-8-11-16-11-16-11-8-11-8-10-4-9-4-6-4-6-4-5-4-3-4-2-1 context. [2023-03-23 19:05:07,223 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-03-23 19:05:07,224 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-03-23 19:05:07,228 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1] [2023-03-23 19:05:07,230 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 19:05:07,230 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 19:05:07,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 07:05:07 BasicIcfg [2023-03-23 19:05:07,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 19:05:07,232 INFO L158 Benchmark]: Toolchain (without parser) took 561144.78ms. Allocated memory was 254.8MB in the beginning and 1.1GB in the end (delta: 869.3MB). Free memory was 219.3MB in the beginning and 491.0MB in the end (delta: -271.7MB). Peak memory consumption was 704.6MB. Max. memory is 8.0GB. [2023-03-23 19:05:07,232 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 19:05:07,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.87ms. Allocated memory is still 254.8MB. Free memory was 219.3MB in the beginning and 207.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 19:05:07,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.85ms. Allocated memory is still 254.8MB. Free memory was 207.2MB in the beginning and 205.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 19:05:07,232 INFO L158 Benchmark]: Boogie Preprocessor took 28.91ms. Allocated memory is still 254.8MB. Free memory was 205.7MB in the beginning and 203.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 19:05:07,233 INFO L158 Benchmark]: RCFGBuilder took 360.95ms. Allocated memory is still 254.8MB. Free memory was 203.6MB in the beginning and 185.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-23 19:05:07,233 INFO L158 Benchmark]: TraceAbstraction took 560483.77ms. Allocated memory was 254.8MB in the beginning and 1.1GB in the end (delta: 869.3MB). Free memory was 184.7MB in the beginning and 491.0MB in the end (delta: -306.3MB). Peak memory consumption was 670.0MB. Max. memory is 8.0GB. [2023-03-23 19:05:07,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.87ms. Allocated memory is still 254.8MB. Free memory was 219.3MB in the beginning and 207.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.85ms. Allocated memory is still 254.8MB. Free memory was 207.2MB in the beginning and 205.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.91ms. Allocated memory is still 254.8MB. Free memory was 205.7MB in the beginning and 203.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 360.95ms. Allocated memory is still 254.8MB. Free memory was 203.6MB in the beginning and 185.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 560483.77ms. Allocated memory was 254.8MB in the beginning and 1.1GB in the end (delta: 869.3MB). Free memory was 184.7MB in the beginning and 491.0MB in the end (delta: -306.3MB). Peak memory consumption was 670.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11272, independent: 9795, independent conditional: 9795, independent unconditional: 0, dependent: 1477, dependent conditional: 1477, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9795, independent: 9795, independent conditional: 9795, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9795, independent: 9795, independent conditional: 9795, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9795, independent: 9795, independent conditional: 0, independent unconditional: 9795, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9795, independent: 9795, independent conditional: 0, independent unconditional: 9795, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9795, independent: 9795, independent conditional: 0, independent unconditional: 9795, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 996, independent: 996, independent conditional: 0, independent unconditional: 996, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 996, independent: 996, independent conditional: 0, independent unconditional: 996, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9795, independent: 8799, independent conditional: 0, independent unconditional: 8799, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 996, unknown conditional: 0, unknown unconditional: 996] , Statistics on independence cache: Total cache size (in pairs): 996, Positive cache size: 996, Positive conditional cache size: 0, Positive unconditional cache size: 996, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1477 - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-95-15-7-13-16-12-8-11-16-11-16-11-8-11-8-10-4-9-4-6-4-6-4-5-4-3-4-2-1 context. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-95-15-7-13-16-12-8-11-16-11-16-11-8-11-8-10-4-9-4-6-4-6-4-5-4-3-4-2-1 context. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-95-15-7-13-16-12-8-11-16-11-16-11-8-11-8-10-4-9-4-6-4-6-4-5-4-3-4-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 263 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 560.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.8s, 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: 135, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 1573 NumberOfCodeBlocks, 1573 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2172 ConstructedInterpolants, 0 QuantifiedInterpolants, 13943 SizeOfPredicates, 67 NumberOfNonLiveVariables, 1234 ConjunctsInSsa, 119 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 79/470 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