/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 22:01:19,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 22:01:19,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 22:01:19,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 22:01:19,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 22:01:19,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 22:01:19,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 22:01:19,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 22:01:19,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 22:01:19,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 22:01:19,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 22:01:19,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 22:01:19,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 22:01:19,547 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 22:01:19,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 22:01:19,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 22:01:19,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 22:01:19,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 22:01:19,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 22:01:19,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 22:01:19,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 22:01:19,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 22:01:19,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 22:01:19,549 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 22:01:19,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 22:01:19,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 22:01:19,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 22:01:19,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 22:01:19,551 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 22:01:19,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 22:01:19,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:01:19,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 22:01:19,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 22:01:19,554 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 22:01:19,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 22:01:19,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 22:01:19,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 22:01:19,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 22:01:19,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 22:01:19,801 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 22:01:19,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-09-04 22:01:20,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 22:01:21,111 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 22:01:21,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-09-04 22:01:21,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af01c4e17/ed1cea2c46b24c9e995a800a888ed6ed/FLAG33bc9d945 [2023-09-04 22:01:21,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af01c4e17/ed1cea2c46b24c9e995a800a888ed6ed [2023-09-04 22:01:21,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 22:01:21,149 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 22:01:21,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 22:01:21,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 22:01:21,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 22:01:21,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3246c85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21, skipping insertion in model container [2023-09-04 22:01:21,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,196 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 22:01:21,309 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i[944,957] [2023-09-04 22:01:21,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:01:21,439 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 22:01:21,448 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i[944,957] [2023-09-04 22:01:21,468 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-04 22:01:21,470 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-09-04 22:01:21,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:01:21,530 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:01:21,530 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:01:21,535 INFO L206 MainTranslator]: Completed translation [2023-09-04 22:01:21,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21 WrapperNode [2023-09-04 22:01:21,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 22:01:21,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 22:01:21,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 22:01:21,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 22:01:21,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,584 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2023-09-04 22:01:21,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 22:01:21,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 22:01:21,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 22:01:21,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 22:01:21,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 22:01:21,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 22:01:21,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 22:01:21,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 22:01:21,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (1/1) ... [2023-09-04 22:01:21,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:01:21,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:01:21,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-04 22:01:21,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-04 22:01:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 22:01:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 22:01:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 22:01:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 22:01:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 22:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-04 22:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-04 22:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-04 22:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-04 22:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-04 22:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-04 22:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-09-04 22:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-09-04 22:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 22:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 22:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 22:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 22:01:21,671 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 22:01:21,761 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 22:01:21,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 22:01:21,992 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 22:01:22,100 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 22:01:22,101 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 22:01:22,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:01:22 BoogieIcfgContainer [2023-09-04 22:01:22,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 22:01:22,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 22:01:22,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 22:01:22,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 22:01:22,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:01:21" (1/3) ... [2023-09-04 22:01:22,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c079e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:01:22, skipping insertion in model container [2023-09-04 22:01:22,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:01:21" (2/3) ... [2023-09-04 22:01:22,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c079e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:01:22, skipping insertion in model container [2023-09-04 22:01:22,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:01:22" (3/3) ... [2023-09-04 22:01:22,110 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2023-09-04 22:01:22,116 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 22:01:22,122 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 22:01:22,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-04 22:01:22,122 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 22:01:22,166 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-04 22:01:22,200 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:01:22,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 22:01:22,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:01:22,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-04 22:01:22,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-04 22:01:22,259 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 22:01:22,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 22:01:22,270 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;@113b05f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:01:22,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-09-04 22:01:22,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 22:01:22,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:01:22,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1850232263, now seen corresponding path program 1 times [2023-09-04 22:01:22,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:01:22,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387605784] [2023-09-04 22:01:22,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:01:22,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:01:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:01:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:01:22,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:01:22,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387605784] [2023-09-04 22:01:22,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387605784] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:01:22,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:01:22,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 22:01:22,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249620436] [2023-09-04 22:01:22,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:01:22,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 22:01:22,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:01:22,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 22:01:22,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 22:01:22,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:01:22,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:01:22,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 22:01:22,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:01:33,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:01:33,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 22:01:33,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 22:01:33,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:01:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash 123333721, now seen corresponding path program 1 times [2023-09-04 22:01:33,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:01:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847465852] [2023-09-04 22:01:33,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:01:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:01:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:01:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:01:34,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:01:34,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847465852] [2023-09-04 22:01:34,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847465852] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:01:34,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:01:34,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:01:34,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301773369] [2023-09-04 22:01:34,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:01:34,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:01:34,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:01:34,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:01:34,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:01:34,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:01:34,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:01:34,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 22:01:34,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:01:34,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:02:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:02:39,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:02:39,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 22:02:39,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 22:02:39,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:02:39,916 INFO L85 PathProgramCache]: Analyzing trace with hash -2017578339, now seen corresponding path program 1 times [2023-09-04 22:02:39,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:02:39,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238964540] [2023-09-04 22:02:39,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:02:39,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:02:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:02:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:02:41,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:02:41,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238964540] [2023-09-04 22:02:41,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238964540] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:02:41,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:02:41,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-04 22:02:41,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813956065] [2023-09-04 22:02:41,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:02:41,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-04 22:02:41,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:02:41,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-04 22:02:41,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-09-04 22:02:41,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:02:41,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:02:41,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 22:02:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:02:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:02:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:04:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:04:16,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:04:16,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:04:16,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 22:04:16,619 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 22:04:16,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:04:16,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1821891491, now seen corresponding path program 1 times [2023-09-04 22:04:16,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:04:16,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335227801] [2023-09-04 22:04:16,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:04:16,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:04:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:04:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:04:16,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:04:16,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335227801] [2023-09-04 22:04:16,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335227801] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:04:16,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:04:16,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:04:16,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507868506] [2023-09-04 22:04:16,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:04:16,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:04:16,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:04:16,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:04:16,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:04:16,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:04:16,822 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:04:16,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 22:04:16,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:04:16,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:04:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:04:16,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:05:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:05:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:05:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:05:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:05:36,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-04 22:05:36,025 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-09-04 22:05:36,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:05:36,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1556734880, now seen corresponding path program 1 times [2023-09-04 22:05:36,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:05:36,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515198246] [2023-09-04 22:05:36,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:05:36,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:05:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:05:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:05:36,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:05:36,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515198246] [2023-09-04 22:05:36,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515198246] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:05:36,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:05:36,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-04 22:05:36,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941563617] [2023-09-04 22:05:36,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:05:36,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 22:05:36,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:05:36,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 22:05:36,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-04 22:05:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:05:36,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:05:36,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 22:05:36,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:05:36,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:05:36,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:05:36,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:05:36,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-04 22:05:49,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-04 22:05:49,886 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. [2023-09-04 22:05:49,888 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-09-04 22:05:49,900 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 22:05:49,907 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2023-09-04 22:05:49,907 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 22:05:49,907 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-09-04 22:05:49,907 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-09-04 22:05:49,908 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-09-04 22:05:49,908 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2023-09-04 22:05:49,908 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-09-04 22:05:49,933 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-04 22:05:49,937 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 22:05:49,937 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 22:05:49,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:05:49 BasicIcfg [2023-09-04 22:05:49,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 22:05:49,940 INFO L158 Benchmark]: Toolchain (without parser) took 268790.99ms. Allocated memory was 212.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 153.7MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 7.0GB. [2023-09-04 22:05:49,940 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 22:05:49,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.08ms. Allocated memory is still 212.9MB. Free memory was 153.7MB in the beginning and 129.4MB in the end (delta: 24.2MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. [2023-09-04 22:05:49,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.04ms. Allocated memory is still 212.9MB. Free memory was 129.4MB in the beginning and 126.5MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 22:05:49,941 INFO L158 Benchmark]: Boogie Preprocessor took 18.50ms. Allocated memory is still 212.9MB. Free memory was 126.5MB in the beginning and 124.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 22:05:49,941 INFO L158 Benchmark]: RCFGBuilder took 499.30ms. Allocated memory is still 212.9MB. Free memory was 124.4MB in the beginning and 151.9MB in the end (delta: -27.5MB). Peak memory consumption was 17.8MB. Max. memory is 7.0GB. [2023-09-04 22:05:49,941 INFO L158 Benchmark]: TraceAbstraction took 267834.29ms. Allocated memory was 212.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 150.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 7.0GB. [2023-09-04 22:05:49,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 140.5MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 385.08ms. Allocated memory is still 212.9MB. Free memory was 153.7MB in the beginning and 129.4MB in the end (delta: 24.2MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 48.04ms. Allocated memory is still 212.9MB. Free memory was 129.4MB in the beginning and 126.5MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 18.50ms. Allocated memory is still 212.9MB. Free memory was 126.5MB in the beginning and 124.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 499.30ms. Allocated memory is still 212.9MB. Free memory was 124.4MB in the beginning and 151.9MB in the end (delta: -27.5MB). Peak memory consumption was 17.8MB. Max. memory is 7.0GB. * TraceAbstraction took 267834.29ms. Allocated memory was 212.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 150.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.7GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22667, independent: 22615, independent conditional: 22615, independent unconditional: 0, dependent: 51, dependent conditional: 51, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22658, independent: 22615, independent conditional: 22615, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22658, independent: 22615, independent conditional: 22615, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22789, independent: 22615, independent conditional: 0, independent unconditional: 22615, dependent: 171, dependent conditional: 129, dependent unconditional: 42, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22789, independent: 22615, independent conditional: 0, independent unconditional: 22615, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22789, independent: 22615, independent conditional: 0, independent unconditional: 22615, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22658, independent: 22615, independent conditional: 0, independent unconditional: 22615, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22658, independent: 22589, independent conditional: 0, independent unconditional: 22589, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3343, independent: 2276, independent conditional: 0, independent unconditional: 2276, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 1019, unknown conditional: 0, unknown unconditional: 1019] , Protected Queries: 0 ], Cache Queries: [ total: 22789, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 22660, unknown conditional: 0, unknown unconditional: 22660] , Statistics on independence cache: Total cache size (in pairs): 22657, Positive cache size: 22615, Positive conditional cache size: 0, Positive unconditional cache size: 22615, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 131, Maximal queried relation: 4, Independence queries for same thread: 9 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 5 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. - TimeoutResultAtElement [Line: 865]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. - TimeoutResultAtElement [Line: 869]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. - TimeoutResultAtElement [Line: 867]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. - TimeoutResultAtElement [Line: 871]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 162 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 267.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 264.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 453 ConstructedInterpolants, 0 QuantifiedInterpolants, 1687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 could not prove your program: Timeout Completed graceful shutdown