/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 06:49:21,501 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-20 06:49:21,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 06:49:21,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 06:49:21,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 06:49:21,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 06:49:21,578 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 06:49:21,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 06:49:21,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 06:49:21,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 06:49:21,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 06:49:21,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 06:49:21,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 06:49:21,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 06:49:21,579 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 06:49:21,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 06:49:21,579 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 06:49:21,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 06:49:21,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:49:21,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 06:49:21,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 06:49:21,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 06:49:21,582 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 06:49:21,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 06:49:21,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 06:49:21,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 06:49:21,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 06:49:21,818 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 06:49:21,819 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 06:49:21,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2023-05-20 06:49:21,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaf6bbeb/396912dd3e7c4e82a714797f91bc62c8/FLAG17d50d682 [2023-05-20 06:49:22,337 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 06:49:22,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2023-05-20 06:49:22,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaf6bbeb/396912dd3e7c4e82a714797f91bc62c8/FLAG17d50d682 [2023-05-20 06:49:22,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adaf6bbeb/396912dd3e7c4e82a714797f91bc62c8 [2023-05-20 06:49:22,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 06:49:22,370 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 06:49:22,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 06:49:22,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 06:49:22,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 06:49:22,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159a51aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22, skipping insertion in model container [2023-05-20 06:49:22,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 06:49:22,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 06:49:22,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2023-05-20 06:49:22,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:49:22,708 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 06:49:22,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2023-05-20 06:49:22,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 06:49:22,771 INFO L208 MainTranslator]: Completed translation [2023-05-20 06:49:22,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22 WrapperNode [2023-05-20 06:49:22,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 06:49:22,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 06:49:22,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 06:49:22,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 06:49:22,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,822 INFO L138 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2023-05-20 06:49:22,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 06:49:22,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 06:49:22,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 06:49:22,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 06:49:22,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,849 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 06:49:22,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 06:49:22,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 06:49:22,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 06:49:22,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (1/1) ... [2023-05-20 06:49:22,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 06:49:22,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:49:22,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 06:49:22,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 06:49:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 06:49:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 06:49:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 06:49:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 06:49:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 06:49:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 06:49:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 06:49:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 06:49:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 06:49:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 06:49:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 06:49:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 06:49:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 06:49:22,950 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 06:49:23,078 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 06:49:23,080 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 06:49:23,269 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 06:49:23,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 06:49:23,274 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 06:49:23,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:49:23 BoogieIcfgContainer [2023-05-20 06:49:23,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 06:49:23,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 06:49:23,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 06:49:23,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 06:49:23,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 06:49:22" (1/3) ... [2023-05-20 06:49:23,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c49e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:49:23, skipping insertion in model container [2023-05-20 06:49:23,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 06:49:22" (2/3) ... [2023-05-20 06:49:23,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c49e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 06:49:23, skipping insertion in model container [2023-05-20 06:49:23,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 06:49:23" (3/3) ... [2023-05-20 06:49:23,283 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2023-05-20 06:49:23,292 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 06:49:23,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 06:49:23,300 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 06:49:23,300 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 06:49:23,372 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 06:49:23,406 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:49:23,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 06:49:23,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 06:49:23,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 06:49:23,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 06:49:23,434 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 06:49:23,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 06:49:23,452 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;@53c5d945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 06:49:23,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 06:49:23,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 06:49:23,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 06:49:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash 930954557, now seen corresponding path program 1 times [2023-05-20 06:49:23,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 06:49:23,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203067530] [2023-05-20 06:49:23,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 06:49:23,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 06:49:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 06:49:23,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 06:49:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 06:49:23,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 06:49:23,848 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 06:49:23,849 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 06:49:23,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 06:49:23,850 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 06:49:23,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 06:49:23,856 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2023-05-20 06:49:23,862 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 06:49:23,863 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 06:49:23,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 06:49:23 BasicIcfg [2023-05-20 06:49:23,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 06:49:23,934 INFO L158 Benchmark]: Toolchain (without parser) took 1562.91ms. Allocated memory was 180.4MB in the beginning and 267.4MB in the end (delta: 87.0MB). Free memory was 149.2MB in the beginning and 160.3MB in the end (delta: -11.1MB). Peak memory consumption was 74.7MB. Max. memory is 8.0GB. [2023-05-20 06:49:23,934 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 06:49:23,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.09ms. Allocated memory was 180.4MB in the beginning and 267.4MB in the end (delta: 87.0MB). Free memory was 149.2MB in the beginning and 226.4MB in the end (delta: -77.2MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2023-05-20 06:49:23,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.90ms. Allocated memory is still 267.4MB. Free memory was 226.4MB in the beginning and 224.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 06:49:23,935 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 267.4MB. Free memory was 224.3MB in the beginning and 223.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 06:49:23,935 INFO L158 Benchmark]: RCFGBuilder took 403.70ms. Allocated memory is still 267.4MB. Free memory was 222.7MB in the beginning and 208.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-20 06:49:23,937 INFO L158 Benchmark]: TraceAbstraction took 654.59ms. Allocated memory is still 267.4MB. Free memory was 207.0MB in the beginning and 160.3MB in the end (delta: 46.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2023-05-20 06:49:23,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.09ms. Allocated memory was 180.4MB in the beginning and 267.4MB in the end (delta: 87.0MB). Free memory was 149.2MB in the beginning and 226.4MB in the end (delta: -77.2MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.90ms. Allocated memory is still 267.4MB. Free memory was 226.4MB in the beginning and 224.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 267.4MB. Free memory was 224.3MB in the beginning and 223.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 403.70ms. Allocated memory is still 267.4MB. Free memory was 222.7MB in the beginning and 208.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 654.59ms. Allocated memory is still 267.4MB. Free memory was 207.0MB in the beginning and 160.3MB in the end (delta: 46.7MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 511, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 25, dependent conditional: 16, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 457, independent conditional: 0, independent unconditional: 457, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 495, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 460, Positive conditional cache size: 0, Positive unconditional cache size: 460, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 16 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 80, Number of trivial persistent sets: 69, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 469, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 511, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 25, dependent conditional: 16, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 26, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 495, independent: 486, independent conditional: 0, independent unconditional: 486, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 460, independent conditional: 0, independent unconditional: 460, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 457, independent conditional: 0, independent unconditional: 457, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 495, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 460, Positive conditional cache size: 0, Positive unconditional cache size: 460, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 16 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={3:0}, mb={4:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={5:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L702] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=-1, t1={6:0}, t2={5:0}] [L707] 2 data1+=5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L712] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L723] 0 \read(t1) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 0, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! [2023-05-20 06:49:23,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 06:49:24,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...