/usr/lib/jvm/java-1.11.0-openjdk-amd64/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/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 18:07:58,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 18:07:58,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 18:07:58,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 18:07:58,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 18:07:58,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 18:07:58,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 18:07:58,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 18:07:58,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 18:07:58,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 18:07:58,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 18:07:58,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 18:07:58,747 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 18:07:58,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 18:07:58,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 18:07:58,748 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 18:07:58,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 18:07:58,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 18:07:58,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 18:07:58,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 18:07:58,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 18:07:58,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 18:07:58,749 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 18:07:58,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 18:07:58,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 18:07:58,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 18:07:58,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 18:07:58,750 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 18:07:58,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 18:07:58,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:07:58,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 18:07:58,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 18:07:58,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 18:07:58,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 18:07:58,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 18:07:58,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 18:07:58,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 18:07:58,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 18:07:58,752 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 18:07:58,752 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 18:07:58,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 18:07:58,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 18:07:58,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 18:07:58,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 18:07:58,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 18:07:58,941 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 18:07:58,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-11-17 18:07:59,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 18:08:00,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 18:08:00,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-11-17 18:08:00,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c69cb763/3736510eae254de386048b7d39fa527b/FLAG827340901 [2023-11-17 18:08:00,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c69cb763/3736510eae254de386048b7d39fa527b [2023-11-17 18:08:00,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 18:08:00,145 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 18:08:00,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 18:08:00,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 18:08:00,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 18:08:00,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f377e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00, skipping insertion in model container [2023-11-17 18:08:00,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 18:08:00,344 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2278,2291] [2023-11-17 18:08:00,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:08:00,357 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 18:08:00,383 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2278,2291] [2023-11-17 18:08:00,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:08:00,391 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:08:00,391 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:08:00,397 INFO L206 MainTranslator]: Completed translation [2023-11-17 18:08:00,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00 WrapperNode [2023-11-17 18:08:00,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 18:08:00,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 18:08:00,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 18:08:00,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 18:08:00,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,437 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2023-11-17 18:08:00,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 18:08:00,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 18:08:00,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 18:08:00,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 18:08:00,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 18:08:00,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 18:08:00,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 18:08:00,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 18:08:00,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (1/1) ... [2023-11-17 18:08:00,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:08:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:08:00,514 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) [2023-11-17 18:08:00,580 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 [2023-11-17 18:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 18:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 18:08:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 18:08:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 18:08:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 18:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 18:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 18:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 18:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 18:08:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 18:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 18:08:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 18:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 18:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 18:08:00,608 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 18:08:00,723 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 18:08:00,725 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 18:08:00,923 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 18:08:00,971 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 18:08:00,971 INFO L307 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 18:08:00,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:08:00 BoogieIcfgContainer [2023-11-17 18:08:00,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 18:08:00,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 18:08:00,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 18:08:00,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 18:08:00,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:08:00" (1/3) ... [2023-11-17 18:08:00,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c90a839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:08:00, skipping insertion in model container [2023-11-17 18:08:00,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:08:00" (2/3) ... [2023-11-17 18:08:00,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c90a839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:08:00, skipping insertion in model container [2023-11-17 18:08:00,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:08:00" (3/3) ... [2023-11-17 18:08:00,981 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2023-11-17 18:08:00,991 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 18:08:01,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 18:08:01,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 18:08:01,001 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 18:08:01,048 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 18:08:01,089 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:08:01,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 18:08:01,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:08:01,097 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) [2023-11-17 18:08:01,102 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 [2023-11-17 18:08:01,145 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 18:08:01,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 18:08:01,162 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=LoopHeads, 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;@36ac37a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:08:01,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-17 18:08:01,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:08:01,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:08:01,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1898482384, now seen corresponding path program 1 times [2023-11-17 18:08:01,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:08:01,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556907094] [2023-11-17 18:08:01,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:08:01,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:08:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:08:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 18:08:01,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:08:01,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556907094] [2023-11-17 18:08:01,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556907094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:08:01,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:08:01,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 18:08:01,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168402629] [2023-11-17 18:08:01,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:08:01,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 18:08:01,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:08:01,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 18:08:01,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 18:08:01,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:01,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:08:01,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 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) [2023-11-17 18:08:01,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:01,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 18:08:01,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:08:01,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:08:01,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1098505095, now seen corresponding path program 1 times [2023-11-17 18:08:01,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:08:01,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032114795] [2023-11-17 18:08:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:08:01,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:08:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:08:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:08:02,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:08:02,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032114795] [2023-11-17 18:08:02,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032114795] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:08:02,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269072781] [2023-11-17 18:08:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:08:02,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:08:02,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:08:02,187 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) [2023-11-17 18:08:02,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 18:08:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:08:02,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 18:08:02,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:08:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:08:02,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:08:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:08:02,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269072781] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:08:02,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:08:02,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2023-11-17 18:08:02,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822682895] [2023-11-17 18:08:02,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:08:02,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-17 18:08:02,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:08:02,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-17 18:08:02,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-11-17 18:08:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:02,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:08:02,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.35) internal successors, (147), 20 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) [2023-11-17 18:08:02,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:02,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 18:08:03,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 18:08:03,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-17 18:08:03,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:08:03,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:08:03,520 INFO L85 PathProgramCache]: Analyzing trace with hash 968097546, now seen corresponding path program 1 times [2023-11-17 18:08:03,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:08:03,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975672315] [2023-11-17 18:08:03,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:08:03,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:08:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:08:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:08:03,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:08:03,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975672315] [2023-11-17 18:08:03,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975672315] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:08:03,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795575394] [2023-11-17 18:08:03,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:08:03,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:08:03,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:08:03,883 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) [2023-11-17 18:08:03,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 18:08:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:08:04,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 18:08:04,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:08:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:08:04,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:08:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:08:04,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795575394] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:08:04,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:08:04,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2023-11-17 18:08:04,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428494998] [2023-11-17 18:08:04,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:08:04,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-17 18:08:04,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:08:04,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-17 18:08:04,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=753, Unknown=0, NotChecked=0, Total=930 [2023-11-17 18:08:04,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:04,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:08:04,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.387096774193548) internal successors, (167), 31 states have internal predecessors, (167), 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) [2023-11-17 18:08:04,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:04,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 18:08:04,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:04,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 18:08:04,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 18:08:04,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 18:08:05,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:08:05,186 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 18:08:05,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:08:05,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1784402364, now seen corresponding path program 2 times [2023-11-17 18:08:05,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:08:05,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219510636] [2023-11-17 18:08:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:08:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:08:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:08:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-17 18:08:05,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:08:05,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219510636] [2023-11-17 18:08:05,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219510636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:08:05,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:08:05,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 18:08:05,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876220166] [2023-11-17 18:08:05,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:08:05,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 18:08:05,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:08:05,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 18:08:05,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-17 18:08:05,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:05,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:08:05,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2023-11-17 18:08:05,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:05,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 18:08:05,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 18:08:05,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:08:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-17 18:08:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-17 18:08:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 18:08:06,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-17 18:08:06,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-11-17 18:08:06,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-17 18:08:06,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 18:08:06,728 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-11-17 18:08:06,730 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 18:08:06,730 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 18:08:06,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:08:06 BasicIcfg [2023-11-17 18:08:06,735 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 18:08:06,740 INFO L158 Benchmark]: Toolchain (without parser) took 6591.06ms. Allocated memory is still 294.6MB. Free memory was 245.3MB in the beginning and 151.3MB in the end (delta: 93.9MB). Peak memory consumption was 95.5MB. Max. memory is 8.0GB. [2023-11-17 18:08:06,740 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 165.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 18:08:06,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.27ms. Allocated memory is still 294.6MB. Free memory was 245.3MB in the beginning and 234.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 18:08:06,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.47ms. Allocated memory is still 294.6MB. Free memory was 233.8MB in the beginning and 232.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:08:06,741 INFO L158 Benchmark]: Boogie Preprocessor took 31.15ms. Allocated memory is still 294.6MB. Free memory was 232.2MB in the beginning and 231.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 18:08:06,741 INFO L158 Benchmark]: RCFGBuilder took 503.52ms. Allocated memory is still 294.6MB. Free memory was 231.1MB in the beginning and 213.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-11-17 18:08:06,741 INFO L158 Benchmark]: TraceAbstraction took 5760.33ms. Allocated memory is still 294.6MB. Free memory was 213.3MB in the beginning and 151.3MB in the end (delta: 62.0MB). Peak memory consumption was 63.0MB. Max. memory is 8.0GB. [2023-11-17 18:08:06,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 165.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 252.27ms. Allocated memory is still 294.6MB. Free memory was 245.3MB in the beginning and 234.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.47ms. Allocated memory is still 294.6MB. Free memory was 233.8MB in the beginning and 232.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.15ms. Allocated memory is still 294.6MB. Free memory was 232.2MB in the beginning and 231.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 503.52ms. Allocated memory is still 294.6MB. Free memory was 231.1MB in the beginning and 213.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5760.33ms. Allocated memory is still 294.6MB. Free memory was 213.3MB in the beginning and 151.3MB in the end (delta: 62.0MB). Peak memory consumption was 63.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1993, independent: 1562, independent conditional: 1174, independent unconditional: 388, dependent: 431, dependent conditional: 429, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 1174, independent unconditional: 388, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 1174, independent unconditional: 388, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 363, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 363, independent: 359, independent conditional: 0, independent unconditional: 359, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1564, independent: 1201, independent conditional: 0, independent unconditional: 1201, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , Statistics on independence cache: Total cache size (in pairs): 363, Positive cache size: 361, Positive conditional cache size: 0, Positive unconditional cache size: 361, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 429 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 113, Number of trivial persistent sets: 100, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1993, independent: 1562, independent conditional: 1174, independent unconditional: 388, dependent: 431, dependent conditional: 429, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 1174, independent unconditional: 388, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 1174, independent unconditional: 388, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1564, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 363, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 363, independent: 359, independent conditional: 0, independent unconditional: 359, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1564, independent: 1201, independent conditional: 0, independent unconditional: 1201, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , Statistics on independence cache: Total cache size (in pairs): 363, Positive cache size: 361, Positive conditional cache size: 0, Positive unconditional cache size: 361, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 429 - PositiveResult [Line: 84]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 106 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 84, 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, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 523 NumberOfCodeBlocks, 523 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 2121 SizeOfPredicates, 12 NumberOfNonLiveVariables, 403 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 136/188 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-17 18:08:06,763 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 [2023-11-17 18:08:06,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...