/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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 03:56:11,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 03:56:11,066 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 03:56:11,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 03:56:11,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 03:56:11,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 03:56:11,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 03:56:11,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 03:56:11,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 03:56:11,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 03:56:11,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 03:56:11,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 03:56:11,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 03:56:11,098 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 03:56:11,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 03:56:11,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 03:56:11,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 03:56:11,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 03:56:11,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 03:56:11,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 03:56:11,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 03:56:11,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 03:56:11,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 03:56:11,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 03:56:11,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 03:56:11,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 03:56:11,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 03:56:11,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 03:56:11,101 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 03:56:11,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 03:56:11,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 03:56:11,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 03:56:11,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 03:56:11,102 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 03:56:11,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 03:56:11,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 03:56:11,103 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 03:56:11,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 03:56:11,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 03:56:11,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 03:56:11,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 03:56:11,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 03:56:11,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 03:56:11,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 03:56:11,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 03:56:11,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 03:56:11,366 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 03:56:11,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-05-03 03:56:12,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 03:56:12,748 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 03:56:12,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-05-03 03:56:12,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da72f7cc3/1d0f9ec0b91f4cf6af723dc8a679f2f4/FLAGa9a05610e [2024-05-03 03:56:12,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/da72f7cc3/1d0f9ec0b91f4cf6af723dc8a679f2f4 [2024-05-03 03:56:12,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 03:56:12,780 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 03:56:12,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 03:56:12,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 03:56:12,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 03:56:12,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 03:56:12" (1/1) ... [2024-05-03 03:56:12,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39adb7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:12, skipping insertion in model container [2024-05-03 03:56:12,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 03:56:12" (1/1) ... [2024-05-03 03:56:12,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 03:56:12,990 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2024-05-03 03:56:13,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 03:56:13,145 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 03:56:13,156 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/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111] [2024-05-03 03:56:13,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 03:56:13,242 INFO L206 MainTranslator]: Completed translation [2024-05-03 03:56:13,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13 WrapperNode [2024-05-03 03:56:13,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 03:56:13,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 03:56:13,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 03:56:13,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 03:56:13,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,273 INFO L138 Inliner]: procedures = 164, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-05-03 03:56:13,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 03:56:13,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 03:56:13,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 03:56:13,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 03:56:13,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 03:56:13,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 03:56:13,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 03:56:13,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 03:56:13,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (1/1) ... [2024-05-03 03:56:13,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 03:56:13,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:56:13,318 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 03:56:13,335 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 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-05-03 03:56:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-03 03:56:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 03:56:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 03:56:13,356 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 03:56:13,438 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 03:56:13,440 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 03:56:13,605 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 03:56:13,642 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 03:56:13,642 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 03:56:13,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 03:56:13 BoogieIcfgContainer [2024-05-03 03:56:13,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 03:56:13,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 03:56:13,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 03:56:13,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 03:56:13,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 03:56:12" (1/3) ... [2024-05-03 03:56:13,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eecbac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 03:56:13, skipping insertion in model container [2024-05-03 03:56:13,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 03:56:13" (2/3) ... [2024-05-03 03:56:13,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eecbac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 03:56:13, skipping insertion in model container [2024-05-03 03:56:13,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 03:56:13" (3/3) ... [2024-05-03 03:56:13,650 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2024-05-03 03:56:13,657 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 03:56:13,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 03:56:13,665 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 03:56:13,665 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 03:56:13,699 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-03 03:56:13,741 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:56:13,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 03:56:13,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 03:56:13,744 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 03:56:13,767 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 03:56:13,799 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 03:56:13,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 03:56:13,811 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;@59322aed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 03:56:13,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 03:56:13,817 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:56:13,832 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 70 states. [2024-05-03 03:56:13,832 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:56:13,835 INFO L78 Accepts]: Start accepts. Automaton has currently 72 states, but on-demand construction may add more states Word has length 51 [2024-05-03 03:56:13,837 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:56:13,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:56:13,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:56:13,841 INFO L85 PathProgramCache]: Analyzing trace with hash -2103827289, now seen corresponding path program 1 times [2024-05-03 03:56:13,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:56:13,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075805950] [2024-05-03 03:56:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:56:13,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:56:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:56:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 03:56:14,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:56:14,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075805950] [2024-05-03 03:56:14,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075805950] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 03:56:14,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 03:56:14,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 03:56:14,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122713499] [2024-05-03 03:56:14,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 03:56:14,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 03:56:14,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:56:14,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 03:56:14,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-03 03:56:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:56:14,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:56:14,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 03:56:14,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:56:14,492 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:56:14,734 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 130 states. [2024-05-03 03:56:14,735 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:56:14,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 03:56:14,737 INFO L78 Accepts]: Start accepts. Automaton has currently 143 states, but on-demand construction may add more states Word has length 57 [2024-05-03 03:56:14,738 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:56:14,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 03:56:14,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:56:14,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:56:14,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1359274102, now seen corresponding path program 1 times [2024-05-03 03:56:14,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:56:14,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404433229] [2024-05-03 03:56:14,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:56:14,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:56:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 03:56:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 03:56:15,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 03:56:15,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404433229] [2024-05-03 03:56:15,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404433229] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 03:56:15,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 03:56:15,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 03:56:15,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788898763] [2024-05-03 03:56:15,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 03:56:15,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 03:56:15,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 03:56:15,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 03:56:15,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 03:56:15,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:56:15,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 03:56:15,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 03:56:15,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 03:56:15,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 03:56:15,034 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 03:56:15,110 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 91 states. [2024-05-03 03:56:15,111 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 03:56:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 03:56:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 03:56:15,113 INFO L78 Accepts]: Start accepts. Automaton has currently 93 states, but on-demand construction may add more states Word has length 46 [2024-05-03 03:56:15,114 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 03:56:15,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 03:56:15,114 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 03:56:15,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 03:56:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash -998704145, now seen corresponding path program 1 times [2024-05-03 03:56:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 03:56:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271883771] [2024-05-03 03:56:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 03:56:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 03:56:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 03:56:15,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 03:56:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 03:56:15,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-03 03:56:15,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-03 03:56:15,193 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 03:56:15,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 03:56:15,217 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-05-03 03:56:15,219 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/2) [2024-05-03 03:56:15,221 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 03:56:15,221 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 03:56:15,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 03:56:15 BasicIcfg [2024-05-03 03:56:15,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 03:56:15,250 INFO L158 Benchmark]: Toolchain (without parser) took 2469.15ms. Allocated memory is still 299.9MB. Free memory was 230.3MB in the beginning and 168.8MB in the end (delta: 61.5MB). Peak memory consumption was 61.5MB. Max. memory is 8.0GB. [2024-05-03 03:56:15,250 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory was 129.5MB in the beginning and 129.4MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 03:56:15,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.49ms. Allocated memory is still 299.9MB. Free memory was 230.0MB in the beginning and 266.6MB in the end (delta: -36.6MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. [2024-05-03 03:56:15,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.23ms. Allocated memory is still 299.9MB. Free memory was 266.6MB in the beginning and 264.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 03:56:15,256 INFO L158 Benchmark]: Boogie Preprocessor took 16.28ms. Allocated memory is still 299.9MB. Free memory was 264.9MB in the beginning and 263.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 03:56:15,257 INFO L158 Benchmark]: RCFGBuilder took 351.72ms. Allocated memory is still 299.9MB. Free memory was 263.5MB in the beginning and 247.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-05-03 03:56:15,258 INFO L158 Benchmark]: TraceAbstraction took 1605.05ms. Allocated memory is still 299.9MB. Free memory was 245.6MB in the beginning and 168.8MB in the end (delta: 76.8MB). Peak memory consumption was 75.8MB. Max. memory is 8.0GB. [2024-05-03 03:56:15,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 161.5MB. Free memory was 129.5MB in the beginning and 129.4MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 461.49ms. Allocated memory is still 299.9MB. Free memory was 230.0MB in the beginning and 266.6MB in the end (delta: -36.6MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.23ms. Allocated memory is still 299.9MB. Free memory was 266.6MB in the beginning and 264.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.28ms. Allocated memory is still 299.9MB. Free memory was 264.9MB in the beginning and 263.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 351.72ms. Allocated memory is still 299.9MB. Free memory was 263.5MB in the beginning and 247.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1605.05ms. Allocated memory is still 299.9MB. Free memory was 245.6MB in the beginning and 168.8MB in the end (delta: 76.8MB). Peak memory consumption was 75.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 65, independent: 63, independent conditional: 63, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64, independent: 63, independent conditional: 63, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 64, independent: 63, independent conditional: 63, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 65, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 64, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 64, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 65, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 64, unknown conditional: 0, unknown unconditional: 64] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 1 - StatisticsResult: Reduction benchmarks 14.9ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 70, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 242.2ms Time before loop, 0.0ms Time in loop, 0.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 130, Duplicate States: 0, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 76.2ms Time before loop, 0.0ms Time in loop, 0.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 91, Duplicate States: 0, Protected Variables: 8 - StatisticsResult: Visitor Statistics States: 52, Transitions: 51, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 110, Transitions: 110, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 67, Transitions: 77, Traversal time: 0.1s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 12, Times there's more than one choice: 0, Avg number of choices: 1.0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int g = 42; VAL [g=42] [L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=42] [L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, B={4:0}, g=42] [L694] 0 int r = __VERIFIER_nondet_int(); VAL [A={3:0}, B={4:0}, g=42, r=0] [L695] 0 int t; VAL [A={3:0}, B={4:0}, g=42, r=0] [L696] 0 pthread_t id; VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=0] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, B={4:0}, arg={0:0}, g=42, id={5:0}, r=0] [L700] COND FALSE 0 !(\read(r)) VAL [A={3:0}, B={4:0}, arg={0:0}, g=42, id={5:0}, r=0] [L705] 0 t = g [L706] CALL 0 __VERIFIER_assert(t == 17) [L19] COND TRUE 0 !(cond) VAL [A={3:0}, B={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=42] [L19] 0 reach_error() VAL [A={3:0}, B={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=42] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 93 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 322 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-05-03 03:56:15,276 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 03:56:15,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...