/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 03:52:55,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 03:52:55,123 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 03:52:55,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 03:52:55,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 03:52:55,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 03:52:55,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 03:52:55,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 03:52:55,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 03:52:55,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 03:52:55,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 03:52:55,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 03:52:55,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 03:52:55,144 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 03:52:55,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 03:52:55,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 03:52:55,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 03:52:55,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 03:52:55,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 03:52:55,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 03:52:55,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 03:52:55,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 03:52:55,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 03:52:55,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 03:52:55,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 03:52:55,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 03:52:55,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 03:52:55,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 03:52:55,151 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 03:52:55,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 03:52:55,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 03:52:55,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 03:52:55,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 03:52:55,152 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 03:52:55,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 03:52:55,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 03:52:55,153 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 03:52:55,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 03:52:55,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 03:52:55,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 03:52:55,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 03:52:55,154 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 03:52:55,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 03:52:55,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 03:52:55,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 03:52:55,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 03:52:55,420 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 03:52:55,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2024-05-03 03:52:56,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 03:52:56,762 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 03:52:56,763 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2024-05-03 03:52:56,785 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ecfd5b2f/9faadcb55daf4d1b80fbc1de67c106cb/FLAG116284009 [2024-05-03 03:52:56,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ecfd5b2f/9faadcb55daf4d1b80fbc1de67c106cb [2024-05-03 03:52:56,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 03:52:56,799 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 03:52:56,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 03:52:56,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 03:52:56,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 03:52:56,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 03:52:56" (1/1) ... [2024-05-03 03:52:56,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ac79b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:56, skipping insertion in model container [2024-05-03 03:52:56,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 03:52:56" (1/1) ... [2024-05-03 03:52:56,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 03:52:57,157 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2024-05-03 03:52:57,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 03:52:57,296 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 03:52:57,365 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2024-05-03 03:52:57,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 03:52:57,424 INFO L206 MainTranslator]: Completed translation [2024-05-03 03:52:57,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57 WrapperNode [2024-05-03 03:52:57,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 03:52:57,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 03:52:57,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 03:52:57,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 03:52:57,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,480 INFO L138 Inliner]: procedures = 279, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 243 [2024-05-03 03:52:57,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 03:52:57,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 03:52:57,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 03:52:57,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 03:52:57,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 03:52:57,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 03:52:57,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 03:52:57,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 03:52:57,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (1/1) ... [2024-05-03 03:52:57,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 03:52:57,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:52:57,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 03:52:57,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 03:52:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 03:52:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-05-03 03:52:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-05-03 03:52:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-05-03 03:52:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 03:52:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-03 03:52:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 03:52:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-05-03 03:52:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-05-03 03:52:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 03:52:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-03 03:52:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-03 03:52:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 03:52:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-05-03 03:52:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 03:52:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 03:52:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 03:52:57,618 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 03:52:57,768 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 03:52:57,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 03:52:58,080 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 03:52:58,107 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 03:52:58,107 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2024-05-03 03:52:58,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 03:52:58 BoogieIcfgContainer [2024-05-03 03:52:58,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 03:52:58,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 03:52:58,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 03:52:58,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 03:52:58,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 03:52:56" (1/3) ... [2024-05-03 03:52:58,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53db8eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 03:52:58, skipping insertion in model container [2024-05-03 03:52:58,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:52:57" (2/3) ... [2024-05-03 03:52:58,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53db8eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 03:52:58, skipping insertion in model container [2024-05-03 03:52:58,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 03:52:58" (3/3) ... [2024-05-03 03:52:58,121 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2024-05-03 03:52:58,128 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 03:52:58,137 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 03:52:58,137 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 03:52:58,137 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 03:52:58,201 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-03 03:52:58,238 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:52:58,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 03:52:58,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:52:58,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 03:52:58,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 03:52:58,302 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 03:52:58,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 03:52:58,316 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;@76b22ade, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:52:58,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 03:52:58,321 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-03 03:52:58,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 03:52:58,330 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 03:52:58,332 INFO L308 ceAbstractionStarter]: Result for error location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/4) [2024-05-03 03:52:58,350 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:52:58,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 03:52:58,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:52:58,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 03:52:58,390 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 03:52:58,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 03:52:58,391 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;@76b22ade, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:52:58,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 03:52:58,394 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:52:58,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-03 03:52:58,443 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 70 states. [2024-05-03 03:52:58,444 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:52:58,447 INFO L78 Accepts]: Start accepts. Automaton has currently 72 states, but on-demand construction may add more states Word has length 46 [2024-05-03 03:52:58,450 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:52:58,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 03:52:58,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:52:58,454 INFO L85 PathProgramCache]: Analyzing trace with hash 676279635, now seen corresponding path program 1 times [2024-05-03 03:52:58,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:52:58,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800788846] [2024-05-03 03:52:58,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:52:58,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:52:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:52:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:52:58,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:52:58,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800788846] [2024-05-03 03:52:58,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800788846] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 03:52:58,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 03:52:58,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 03:52:58,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878783477] [2024-05-03 03:52:58,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 03:52:58,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-03 03:52:58,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:52:58,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-03 03:52:58,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-03 03:52:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:52:58,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:52:58,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-05-03 03:52:58,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:52:58,885 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:52:58,932 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 86 states. [2024-05-03 03:52:58,932 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:52:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:52:58,933 INFO L78 Accepts]: Start accepts. Automaton has currently 87 states, but on-demand construction may add more states Word has length 62 [2024-05-03 03:52:58,936 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:52:58,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 03:52:58,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 03:52:58,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:52:58,937 INFO L85 PathProgramCache]: Analyzing trace with hash 970195102, now seen corresponding path program 1 times [2024-05-03 03:52:58,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:52:58,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213159359] [2024-05-03 03:52:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:52:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:52:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:52:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:52:59,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:52:59,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213159359] [2024-05-03 03:52:59,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213159359] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 03:52:59,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700396472] [2024-05-03 03:52:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:52:59,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 03:52:59,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:52:59,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 03:52:59,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 03:52:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:52:59,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-03 03:52:59,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 03:52:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:52:59,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 03:52:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:52:59,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700396472] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 03:52:59,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 03:52:59,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-03 03:52:59,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093846055] [2024-05-03 03:52:59,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 03:52:59,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-03 03:52:59,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:52:59,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-03 03:52:59,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-03 03:52:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:52:59,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:52:59,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2024-05-03 03:52:59,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:52:59,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:52:59,392 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:52:59,478 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 105 states. [2024-05-03 03:52:59,479 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:52:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:52:59,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 03:52:59,479 INFO L78 Accepts]: Start accepts. Automaton has currently 106 states, but on-demand construction may add more states Word has length 94 [2024-05-03 03:52:59,481 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:52:59,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 03:52:59,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 03:52:59,687 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 03:52:59,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:52:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash 166966580, now seen corresponding path program 2 times [2024-05-03 03:52:59,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:52:59,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058483545] [2024-05-03 03:52:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:52:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:52:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:53:00,003 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:53:00,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:53:00,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058483545] [2024-05-03 03:53:00,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058483545] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 03:53:00,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029241371] [2024-05-03 03:53:00,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 03:53:00,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 03:53:00,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:53:00,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 03:53:00,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 03:53:00,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 03:53:00,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 03:53:00,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-03 03:53:00,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 03:53:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:53:00,265 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 03:53:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:53:00,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029241371] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 03:53:00,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 03:53:00,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-03 03:53:00,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518160893] [2024-05-03 03:53:00,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 03:53:00,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-03 03:53:00,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:53:00,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-03 03:53:00,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-03 03:53:00,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:53:00,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:53:00,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.666666666666666) internal successors, (156), 18 states have internal predecessors, (156), 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) [2024-05-03 03:53:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:53:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 03:53:00,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:53:00,383 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:53:00,546 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 170 states. [2024-05-03 03:53:00,546 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:53:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 03:53:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 03:53:00,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 03:53:00,548 INFO L78 Accepts]: Start accepts. Automaton has currently 171 states, but on-demand construction may add more states Word has length 158 [2024-05-03 03:53:00,549 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:53:00,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 03:53:00,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 03:53:00,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-03 03:53:00,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:53:00,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1856268704, now seen corresponding path program 3 times [2024-05-03 03:53:00,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:53:00,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776689603] [2024-05-03 03:53:00,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:53:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:53:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:53:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 343 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 03:53:01,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:53:01,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776689603] [2024-05-03 03:53:01,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776689603] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 03:53:01,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459043550] [2024-05-03 03:53:01,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 03:53:01,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 03:53:01,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:53:01,390 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 03:53:01,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process Received shutdown request... [2024-05-03 04:07:45,611 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 04:07:45,621 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 04:07:45,635 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-05-03 04:07:45,636 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 04:07:46,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-05-03 04:07:46,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-05-03 04:07:46,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-03 04:07:46,822 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2024-05-03 04:07:46,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-03 04:07:46,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-03 04:07:46,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-05-03 04:07:46,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630432063] [2024-05-03 04:07:46,860 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-03 04:07:46,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-03 04:07:46,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:07:46,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-03 04:07:46,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-05-03 04:07:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:07:46,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:07:46,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.058823529411764) internal successors, (154), 17 states have internal predecessors, (154), 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) [2024-05-03 04:07:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 04:07:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 04:07:46,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 04:07:46,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:07:46,862 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:07:46,862 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1 states. [2024-05-03 04:07:46,862 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:07:46,871 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2024-05-03 04:07:46,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:07:46,871 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-05-03 04:07:46,871 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 04:07:46,873 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2024-05-03 04:07:46,873 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was TIMEOUT (2/4) [2024-05-03 04:07:46,874 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 04:07:46,874 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 04:07:46,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 04:07:46 BasicIcfg [2024-05-03 04:07:46,876 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 04:07:46,876 INFO L158 Benchmark]: Toolchain (without parser) took 890076.99ms. Allocated memory was 419.4MB in the beginning and 580.9MB in the end (delta: 161.5MB). Free memory was 342.8MB in the beginning and 390.3MB in the end (delta: -47.5MB). Peak memory consumption was 113.6MB. Max. memory is 8.0GB. [2024-05-03 04:07:46,876 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 419.4MB. Free memory is still 385.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 04:07:46,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.80ms. Allocated memory is still 419.4MB. Free memory was 342.8MB in the beginning and 366.4MB in the end (delta: -23.6MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. [2024-05-03 04:07:46,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 419.4MB. Free memory was 366.4MB in the beginning and 363.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-03 04:07:46,877 INFO L158 Benchmark]: Boogie Preprocessor took 43.12ms. Allocated memory is still 419.4MB. Free memory was 363.3MB in the beginning and 360.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-03 04:07:46,877 INFO L158 Benchmark]: RCFGBuilder took 578.90ms. Allocated memory is still 419.4MB. Free memory was 360.6MB in the beginning and 332.3MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-05-03 04:07:46,877 INFO L158 Benchmark]: TraceAbstraction took 888766.91ms. Allocated memory was 419.4MB in the beginning and 580.9MB in the end (delta: 161.5MB). Free memory was 331.3MB in the beginning and 390.3MB in the end (delta: -59.1MB). Peak memory consumption was 100.8MB. Max. memory is 8.0GB. [2024-05-03 04:07:46,878 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 419.4MB. Free memory is still 385.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 625.80ms. Allocated memory is still 419.4MB. Free memory was 342.8MB in the beginning and 366.4MB in the end (delta: -23.6MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 419.4MB. Free memory was 366.4MB in the beginning and 363.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.12ms. Allocated memory is still 419.4MB. Free memory was 363.3MB in the beginning and 360.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 578.90ms. Allocated memory is still 419.4MB. Free memory was 360.6MB in the beginning and 332.3MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 888766.91ms. Allocated memory was 419.4MB in the beginning and 580.9MB in the end (delta: 161.5MB). Free memory was 331.3MB in the beginning and 390.3MB in the end (delta: -59.1MB). Peak memory consumption was 100.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 14213918.3s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 4 - StatisticsResult: Reduction benchmarks 23.9ms Time before loop, 24.4ms Time in loop, 0.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 1, Reduction States: 70, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 36.6ms Time before loop, 10.6ms Time in loop, 0.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 1, Reduction States: 86, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 74.5ms Time before loop, 11.7ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 1, Reduction States: 105, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 155.7ms Time before loop, 6.8ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 1, Reduction States: 170, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 0.4ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 62, Transitions: 62, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 77, Transitions: 77, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 95, Transitions: 95, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 159, Transitions: 159, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 10, RedundantProofs: 4, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances [2024-05-03 04:07:46,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 137 CFG has 5 procedures, 341 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 341 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 888.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.4s, 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: 35, 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, 1.5s InterpolantComputationTime, 516 NumberOfCodeBlocks, 516 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 8 NumberOfNonLiveVariables, 578 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 40/539 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