/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 01:10:01,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 01:10:01,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 01:10:01,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 01:10:01,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 01:10:01,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 01:10:01,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 01:10:01,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 01:10:01,421 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 01:10:01,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 01:10:01,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 01:10:01,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 01:10:01,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 01:10:01,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 01:10:01,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 01:10:01,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 01:10:01,424 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 01:10:01,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 01:10:01,425 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 01:10:01,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 01:10:01,426 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 01:10:01,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 01:10:01,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 01:10:01,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 01:10:01,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 01:10:01,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 01:10:01,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 01:10:01,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 01:10:01,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 01:10:01,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 01:10:01,429 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 01:10:01,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 01:10:01,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 01:10:01,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 01:10:01,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 01:10:01,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 01:10:01,430 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 01:10:01,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 01:10:01,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 01:10:01,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 01:10:01,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 01:10:01,708 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 01:10:01,709 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 01:10:01,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2023-05-20 01:10:01,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23045b74f/27609f61e302453a86f4c5a10ceaad5a/FLAG86bf07092 [2023-05-20 01:10:02,234 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 01:10:02,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2023-05-20 01:10:02,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23045b74f/27609f61e302453a86f4c5a10ceaad5a/FLAG86bf07092 [2023-05-20 01:10:02,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23045b74f/27609f61e302453a86f4c5a10ceaad5a [2023-05-20 01:10:02,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 01:10:02,275 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 01:10:02,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 01:10:02,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 01:10:02,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 01:10:02,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b163a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02, skipping insertion in model container [2023-05-20 01:10:02,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 01:10:02,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 01:10:02,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2023-05-20 01:10:02,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 01:10:02,624 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 01:10:02,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2023-05-20 01:10:02,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 01:10:02,701 INFO L208 MainTranslator]: Completed translation [2023-05-20 01:10:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02 WrapperNode [2023-05-20 01:10:02,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 01:10:02,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 01:10:02,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 01:10:02,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 01:10:02,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,769 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-05-20 01:10:02,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 01:10:02,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 01:10:02,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 01:10:02,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 01:10:02,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,800 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 01:10:02,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 01:10:02,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 01:10:02,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 01:10:02,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (1/1) ... [2023-05-20 01:10:02,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 01:10:02,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 01:10:02,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 01:10:02,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 01:10:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 01:10:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 01:10:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 01:10:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 01:10:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-05-20 01:10:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-05-20 01:10:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 01:10:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 01:10:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 01:10:02,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 01:10:02,879 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 01:10:02,984 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 01:10:02,985 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 01:10:03,144 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 01:10:03,149 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 01:10:03,150 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 01:10:03,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:10:03 BoogieIcfgContainer [2023-05-20 01:10:03,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 01:10:03,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 01:10:03,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 01:10:03,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 01:10:03,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 01:10:02" (1/3) ... [2023-05-20 01:10:03,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5696fc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:10:03, skipping insertion in model container [2023-05-20 01:10:03,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:02" (2/3) ... [2023-05-20 01:10:03,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5696fc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:10:03, skipping insertion in model container [2023-05-20 01:10:03,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:10:03" (3/3) ... [2023-05-20 01:10:03,162 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2023-05-20 01:10:03,169 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 01:10:03,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 01:10:03,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 01:10:03,178 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 01:10:03,244 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 01:10:03,290 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 01:10:03,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 01:10:03,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 01:10:03,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 01:10:03,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 01:10:03,327 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 01:10:03,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 01:10:03,354 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;@4c2a8da5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 01:10:03,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-20 01:10:03,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:10:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:10:03,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1967485942, now seen corresponding path program 1 times [2023-05-20 01:10:03,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:10:03,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806711033] [2023-05-20 01:10:03,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:10:03,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:10:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:10:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:10:04,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:10:04,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806711033] [2023-05-20 01:10:04,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806711033] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 01:10:04,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 01:10:04,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 01:10:04,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970732069] [2023-05-20 01:10:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 01:10:04,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 01:10:04,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:10:04,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 01:10:04,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 01:10:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:10:04,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:10:04,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 01:10:04,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:10:04,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 01:10:04,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 01:10:04,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:10:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:10:04,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1243115460, now seen corresponding path program 2 times [2023-05-20 01:10:04,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:10:04,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761981422] [2023-05-20 01:10:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:10:04,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:10:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 01:10:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 01:10:04,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 01:10:04,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761981422] [2023-05-20 01:10:04,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761981422] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 01:10:04,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 01:10:04,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 01:10:04,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22129144] [2023-05-20 01:10:04,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 01:10:04,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 01:10:04,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 01:10:04,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 01:10:04,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-20 01:10:04,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:10:04,415 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 01:10:04,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 01:10:04,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 01:10:04,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 01:10:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 01:10:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 01:10:04,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 01:10:04,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 01:10:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 01:10:04,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2017556400, now seen corresponding path program 3 times [2023-05-20 01:10:04,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 01:10:04,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735357573] [2023-05-20 01:10:04,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 01:10:04,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 01:10:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 01:10:04,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 01:10:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 01:10:04,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 01:10:04,610 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 01:10:04,611 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-05-20 01:10:04,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-20 01:10:04,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 01:10:04,618 INFO L444 BasicCegarLoop]: Path program histogram: [3] [2023-05-20 01:10:04,621 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 01:10:04,621 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 01:10:04,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 01:10:04 BasicIcfg [2023-05-20 01:10:04,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 01:10:04,700 INFO L158 Benchmark]: Toolchain (without parser) took 2424.20ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 153.8MB in the beginning and 226.0MB in the end (delta: -72.2MB). Peak memory consumption was 139.6MB. Max. memory is 8.0GB. [2023-05-20 01:10:04,700 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 01:10:04,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.15ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 153.4MB in the beginning and 220.0MB in the end (delta: -66.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-20 01:10:04,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.46ms. Allocated memory is still 260.0MB. Free memory was 219.5MB in the beginning and 217.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 01:10:04,701 INFO L158 Benchmark]: Boogie Preprocessor took 31.99ms. Allocated memory is still 260.0MB. Free memory was 217.4MB in the beginning and 216.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 01:10:04,702 INFO L158 Benchmark]: RCFGBuilder took 348.17ms. Allocated memory is still 260.0MB. Free memory was 215.8MB in the beginning and 202.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-20 01:10:04,702 INFO L158 Benchmark]: TraceAbstraction took 1545.64ms. Allocated memory is still 260.0MB. Free memory was 201.6MB in the beginning and 226.0MB in the end (delta: -24.3MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. [2023-05-20 01:10:04,704 INFO L339 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 186.6MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 426.15ms. Allocated memory was 186.6MB in the beginning and 260.0MB in the end (delta: 73.4MB). Free memory was 153.4MB in the beginning and 220.0MB in the end (delta: -66.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.46ms. Allocated memory is still 260.0MB. Free memory was 219.5MB in the beginning and 217.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.99ms. Allocated memory is still 260.0MB. Free memory was 217.4MB in the beginning and 216.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 348.17ms. Allocated memory is still 260.0MB. Free memory was 215.8MB in the beginning and 202.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1545.64ms. Allocated memory is still 260.0MB. Free memory was 201.6MB in the beginning and 226.0MB in the end (delta: -24.3MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 312, independent: 258, independent conditional: 46, independent unconditional: 212, dependent: 54, dependent conditional: 45, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 270, independent: 258, independent conditional: 46, independent unconditional: 212, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 270, independent: 258, independent conditional: 46, independent unconditional: 212, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 274, independent: 258, independent conditional: 1, independent unconditional: 257, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 274, independent: 258, independent conditional: 1, independent unconditional: 257, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 274, independent: 258, independent conditional: 1, independent unconditional: 257, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 224, independent: 213, independent conditional: 1, independent unconditional: 212, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 224, independent: 203, independent conditional: 0, independent unconditional: 203, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 1, independent unconditional: 9, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 1, independent unconditional: 9, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, independent: 80, independent conditional: 5, independent unconditional: 75, dependent: 55, dependent conditional: 8, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 274, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 224, unknown conditional: 3, unknown unconditional: 221] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 213, Positive conditional cache size: 1, Positive unconditional cache size: 212, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, 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: 42 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 74, Number of trivial persistent sets: 62, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221, independent: 212, independent conditional: 0, independent unconditional: 212, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 312, independent: 258, independent conditional: 46, independent unconditional: 212, dependent: 54, dependent conditional: 45, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 270, independent: 258, independent conditional: 46, independent unconditional: 212, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 270, independent: 258, independent conditional: 46, independent unconditional: 212, dependent: 12, dependent conditional: 3, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 274, independent: 258, independent conditional: 1, independent unconditional: 257, dependent: 16, dependent conditional: 3, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 274, independent: 258, independent conditional: 1, independent unconditional: 257, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 274, independent: 258, independent conditional: 1, independent unconditional: 257, dependent: 16, dependent conditional: 2, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 224, independent: 213, independent conditional: 1, independent unconditional: 212, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 224, independent: 203, independent conditional: 0, independent unconditional: 203, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 1, independent unconditional: 9, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 1, independent unconditional: 9, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, independent: 80, independent conditional: 5, independent unconditional: 75, dependent: 55, dependent conditional: 8, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 274, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 224, unknown conditional: 3, unknown unconditional: 221] , Statistics on independence cache: Total cache size (in pairs): 224, Positive cache size: 213, Positive conditional cache size: 1, Positive unconditional cache size: 212, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, 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: 42 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}] [L681] 0 int g = 0; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 g = 17 VAL [A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L690] 1 return ((void *)0); VAL [\result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, \result={0:0}, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, 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: 8, 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, 0.6s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 269 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! [2023-05-20 01:10:04,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 01:10:04,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...