/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --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_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 23:45:58,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 23:45:58,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 23:45:58,950 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 23:45:58,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 23:45:58,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 23:45:58,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 23:45:58,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 23:45:58,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 23:45:58,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 23:45:58,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 23:45:58,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 23:45:58,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 23:45:58,985 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 23:45:58,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 23:45:58,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 23:45:58,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 23:45:58,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 23:45:58,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 23:45:58,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 23:45:58,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 23:45:58,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 23:45:58,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 23:45:58,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 23:45:58,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 23:45:58,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 23:45:58,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 23:45:58,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 23:45:58,991 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 23:45:58,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 23:45:58,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 23:45:58,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 23:45:58,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 23:45:58,992 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 23:45:58,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 23:45:58,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 23:45:58,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 23:45:58,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 23:45:58,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 23:45:58,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 23:45:58,993 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 23:45:58,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 23:45:59,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 23:45:59,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 23:45:59,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 23:45:59,248 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 23:45:59,248 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 23:45:59,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2024-01-25 23:46:00,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 23:46:00,555 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 23:46:00,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2024-01-25 23:46:00,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2921772d6/2a7ddff6aeb8448fb568178fe1a92f8a/FLAG8b2b9373e [2024-01-25 23:46:00,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2921772d6/2a7ddff6aeb8448fb568178fe1a92f8a [2024-01-25 23:46:00,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 23:46:00,588 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 23:46:00,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 23:46:00,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 23:46:00,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 23:46:00,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:00,594 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301bcec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00, skipping insertion in model container [2024-01-25 23:46:00,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:00,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 23:46:00,882 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_45-escape_racing.i[30176,30189] [2024-01-25 23:46:00,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 23:46:00,913 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 23:46:00,951 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_45-escape_racing.i[30176,30189] [2024-01-25 23:46:00,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 23:46:00,990 INFO L206 MainTranslator]: Completed translation [2024-01-25 23:46:00,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00 WrapperNode [2024-01-25 23:46:00,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 23:46:00,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 23:46:00,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 23:46:00,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 23:46:00,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,024 INFO L138 Inliner]: procedures = 171, calls = 50, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-01-25 23:46:01,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 23:46:01,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 23:46:01,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 23:46:01,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 23:46:01,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 23:46:01,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 23:46:01,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 23:46:01,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 23:46:01,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (1/1) ... [2024-01-25 23:46:01,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 23:46:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:46:01,089 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) [2024-01-25 23:46:01,105 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 [2024-01-25 23:46:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-25 23:46:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 23:46:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-25 23:46:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 23:46:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 23:46:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-25 23:46:01,124 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-25 23:46:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 23:46:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 23:46:01,124 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-25 23:46:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 23:46:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 23:46:01,128 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-25 23:46:01,266 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 23:46:01,268 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 23:46:01,458 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 23:46:01,493 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 23:46:01,494 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-01-25 23:46:01,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 11:46:01 BoogieIcfgContainer [2024-01-25 23:46:01,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 23:46:01,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 23:46:01,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 23:46:01,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 23:46:01,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 11:46:00" (1/3) ... [2024-01-25 23:46:01,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4990b2dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 11:46:01, skipping insertion in model container [2024-01-25 23:46:01,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 11:46:00" (2/3) ... [2024-01-25 23:46:01,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4990b2dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 11:46:01, skipping insertion in model container [2024-01-25 23:46:01,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 11:46:01" (3/3) ... [2024-01-25 23:46:01,501 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2024-01-25 23:46:01,508 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 23:46:01,516 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 23:46:01,516 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-25 23:46:01,516 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 23:46:01,559 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-25 23:46:01,592 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:46:01,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 23:46:01,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 23:46:01,596 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) [2024-01-25 23:46:01,598 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 [2024-01-25 23:46:01,630 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 23:46:01,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 23:46:01,644 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;@70a0048c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 23:46:01,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-25 23:46:01,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:46:01,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:46:01,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2014806612, now seen corresponding path program 1 times [2024-01-25 23:46:01,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:46:01,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998745024] [2024-01-25 23:46:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:46:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:46:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:46:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:46:02,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:46:02,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998745024] [2024-01-25 23:46:02,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998745024] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:46:02,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:46:02,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-01-25 23:46:02,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119966604] [2024-01-25 23:46:02,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:46:02,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-01-25 23:46:02,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:46:02,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-01-25 23:46:02,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-01-25 23:46:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:46:02,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:46:02,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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) [2024-01-25 23:46:02,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-25 23:46:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-25 23:46:03,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 23:46:03,251 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:46:03,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:46:03,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1526345304, now seen corresponding path program 1 times [2024-01-25 23:46:03,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:46:03,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997620109] [2024-01-25 23:46:03,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:46:03,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:46:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 23:46:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 23:46:03,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 23:46:03,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997620109] [2024-01-25 23:46:03,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997620109] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 23:46:03,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 23:46:03,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 23:46:03,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553677363] [2024-01-25 23:46:03,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 23:46:03,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 23:46:03,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 23:46:03,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 23:46:03,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-01-25 23:46:03,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 23:46:03,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 23:46:03,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-01-25 23:46:03,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-01-25 23:46:03,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-25 23:46:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-01-25 23:46:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-25 23:46:03,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-25 23:46:03,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 23:46:03,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 23:46:03,630 INFO L85 PathProgramCache]: Analyzing trace with hash 536281338, now seen corresponding path program 1 times [2024-01-25 23:46:03,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 23:46:03,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990016346] [2024-01-25 23:46:03,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 23:46:03,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 23:46:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-25 23:46:03,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-25 23:46:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-25 23:46:03,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-25 23:46:03,721 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-25 23:46:03,722 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 23:46:03,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-25 23:46:03,732 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-01-25 23:46:03,733 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/2) [2024-01-25 23:46:03,735 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 23:46:03,735 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 23:46:03,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 11:46:03 BasicIcfg [2024-01-25 23:46:03,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 23:46:03,783 INFO L158 Benchmark]: Toolchain (without parser) took 3195.45ms. Allocated memory was 196.1MB in the beginning and 249.6MB in the end (delta: 53.5MB). Free memory was 140.7MB in the beginning and 144.5MB in the end (delta: -3.8MB). Peak memory consumption was 50.8MB. Max. memory is 8.0GB. [2024-01-25 23:46:03,784 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory was 151.7MB in the beginning and 151.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 23:46:03,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.09ms. Allocated memory is still 196.1MB. Free memory was 140.2MB in the beginning and 119.8MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-01-25 23:46:03,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.27ms. Allocated memory is still 196.1MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 23:46:03,785 INFO L158 Benchmark]: Boogie Preprocessor took 23.53ms. Allocated memory is still 196.1MB. Free memory was 117.7MB in the beginning and 116.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-25 23:46:03,785 INFO L158 Benchmark]: RCFGBuilder took 444.92ms. Allocated memory is still 196.1MB. Free memory was 116.1MB in the beginning and 98.3MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-01-25 23:46:03,786 INFO L158 Benchmark]: TraceAbstraction took 2286.94ms. Allocated memory was 196.1MB in the beginning and 249.6MB in the end (delta: 53.5MB). Free memory was 97.8MB in the beginning and 144.5MB in the end (delta: -46.7MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2024-01-25 23:46:03,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory was 151.7MB in the beginning and 151.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 402.09ms. Allocated memory is still 196.1MB. Free memory was 140.2MB in the beginning and 119.8MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.27ms. Allocated memory is still 196.1MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.53ms. Allocated memory is still 196.1MB. Free memory was 117.7MB in the beginning and 116.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 444.92ms. Allocated memory is still 196.1MB. Free memory was 116.1MB in the beginning and 98.3MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2286.94ms. Allocated memory was 196.1MB in the beginning and 249.6MB in the end (delta: 53.5MB). Free memory was 97.8MB in the beginning and 144.5MB in the end (delta: -46.7MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 520, independent: 466, independent conditional: 466, independent unconditional: 0, dependent: 54, dependent conditional: 54, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 468, independent: 466, independent conditional: 466, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 468, independent: 466, independent conditional: 466, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 471, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 5, dependent conditional: 3, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 471, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 471, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, independent: 464, independent conditional: 0, independent unconditional: 464, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 471, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 468, unknown conditional: 0, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 468, Positive cache size: 466, Positive conditional cache size: 0, Positive unconditional cache size: 466, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 2, Independence queries for same thread: 52 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 110, Times there's more than one choice: 35, Avg number of choices: 1.3181818181818181 - StatisticsResult: Reduction benchmarks 0.1s Time before loop, 0.1s Time in loop, 0.2s Time in total, Has Loop: true, Protected Variables: [~#__global_lock~0.offset, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start___VERIFIER_assert_~cond#1, ULTIMATE.start_main_~#i~0#1.offset, ~#mutex1~0.base, ~#__global_lock~0.base, #valid, #pthreadsMutex, ULTIMATE.start_main_~#i~0#1.base, ULTIMATE.start___VERIFIER_assert_#in~cond#1, #memory_int, ULTIMATE.start_main_~#id~0#1.base], Protected Variables before encountering a loop: [] - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}] [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L707] 0 pthread_t id; VAL [__global_lock={3:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L708] 0 int i = 0; VAL [__global_lock={3:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={3:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L700] 1 int *p = (int *) arg; VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] 1 (*p)++ VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 3 procedures, 133 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 357 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! [2024-01-25 23:46:03,804 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 [2024-01-25 23:46:04,007 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...