/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 X --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_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 14:09:56,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 14:09:56,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 14:09:56,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 14:09:56,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 14:09:56,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 14:09:56,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 14:09:56,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 14:09:56,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 14:09:56,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 14:09:56,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 14:09:56,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 14:09:56,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 14:09:56,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 14:09:56,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 14:09:56,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 14:09:56,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 14:09:56,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 14:09:56,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 14:09:56,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 14:09:56,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 14:09:56,502 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 14:09:56,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 14:09:56,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 14:09:56,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 14:09:56,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 14:09:56,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 14:09:56,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 14:09:56,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 14:09:56,504 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 14:09:56,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 14:09:56,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 14:09:56,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 14:09:56,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 14:09:56,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 14:09:56,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 14:09:56,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 14:09:56,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 14:09:56,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 14:09:56,508 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 14:09:56,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 14:09:56,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 14:09:56,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 14:09:56,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 14:09:56,708 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 14:09:56,708 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 14:09:56,709 INFO L432 ainManager$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_neg.i [2023-05-04 14:09:56,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e1f9fe9/553f2c89ea794fa4bd7d38e3b5d023fb/FLAGce782bf43 [2023-05-04 14:09:57,145 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 14:09:57,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-05-04 14:09:57,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e1f9fe9/553f2c89ea794fa4bd7d38e3b5d023fb/FLAGce782bf43 [2023-05-04 14:09:57,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e1f9fe9/553f2c89ea794fa4bd7d38e3b5d023fb [2023-05-04 14:09:57,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 14:09:57,165 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 14:09:57,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 14:09:57,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 14:09:57,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 14:09:57,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd46556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57, skipping insertion in model container [2023-05-04 14:09:57,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 14:09:57,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 14:09:57,329 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_neg.i[1097,1110] [2023-05-04 14:09:57,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 14:09:57,439 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 14:09:57,448 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_neg.i[1097,1110] [2023-05-04 14:09:57,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 14:09:57,506 INFO L208 MainTranslator]: Completed translation [2023-05-04 14:09:57,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57 WrapperNode [2023-05-04 14:09:57,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 14:09:57,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 14:09:57,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 14:09:57,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 14:09:57,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,535 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-05-04 14:09:57,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 14:09:57,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 14:09:57,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 14:09:57,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 14:09:57,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 14:09:57,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 14:09:57,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 14:09:57,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 14:09:57,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (1/1) ... [2023-05-04 14:09:57,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 14:09:57,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:09:57,587 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) [2023-05-04 14:09:57,588 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 [2023-05-04 14:09:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 14:09:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 14:09:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 14:09:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 14:09:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-05-04 14:09:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-05-04 14:09:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 14:09:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 14:09:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 14:09:57,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 14:09:57,619 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 14:09:57,715 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 14:09:57,717 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 14:09:57,861 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 14:09:57,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 14:09:57,866 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 14:09:57,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:09:57 BoogieIcfgContainer [2023-05-04 14:09:57,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 14:09:57,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 14:09:57,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 14:09:57,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 14:09:57,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 02:09:57" (1/3) ... [2023-05-04 14:09:57,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb3e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:09:57, skipping insertion in model container [2023-05-04 14:09:57,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:09:57" (2/3) ... [2023-05-04 14:09:57,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb3e2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:09:57, skipping insertion in model container [2023-05-04 14:09:57,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:09:57" (3/3) ... [2023-05-04 14:09:57,874 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-05-04 14:09:57,879 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 14:09:57,886 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 14:09:57,886 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 14:09:57,886 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 14:09:57,933 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 14:09:57,994 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 14:09:57,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 14:09:57,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:09:57,996 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) [2023-05-04 14:09:57,997 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 [2023-05-04 14:09:58,028 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 14:09:58,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 14:09:58,055 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;@248c41e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 14:09:58,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 14:09:58,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 14:09:58,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:09:58,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1967485942, now seen corresponding path program 1 times [2023-05-04 14:09:58,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:09:58,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440251943] [2023-05-04 14:09:58,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:09:58,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:09:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:09:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 14:09:58,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:09:58,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440251943] [2023-05-04 14:09:58,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440251943] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:09:58,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:09:58,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 14:09:58,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177709576] [2023-05-04 14:09:58,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:09:58,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 14:09:58,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:09:58,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 14:09:58,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 14:09:58,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:09:58,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:09:58,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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) [2023-05-04 14:09:58,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:09:58,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 14:09:58,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 14:09:58,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 14:09:58,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:09:58,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1119530990, now seen corresponding path program 1 times [2023-05-04 14:09:58,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:09:58,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291112697] [2023-05-04 14:09:58,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:09:58,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:09:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:09:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 14:09:58,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:09:58,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291112697] [2023-05-04 14:09:58,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291112697] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:09:58,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:09:58,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 14:09:58,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990013943] [2023-05-04 14:09:58,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:09:58,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 14:09:58,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:09:58,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 14:09:58,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 14:09:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:09:58,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:09:58,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2023-05-04 14:09:58,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 14:09:58,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:09:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 14:09:58,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 14:09:58,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 14:09:58,951 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 14:09:58,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:09:58,951 INFO L85 PathProgramCache]: Analyzing trace with hash -519749914, now seen corresponding path program 1 times [2023-05-04 14:09:58,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:09:58,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840002577] [2023-05-04 14:09:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:09:58,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:09:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:09:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 14:09:59,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:09:59,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840002577] [2023-05-04 14:09:59,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840002577] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:09:59,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:09:59,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 14:09:59,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238442063] [2023-05-04 14:09:59,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:09:59,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 14:09:59,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:09:59,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 14:09:59,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 14:09:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:09:59,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:09:59,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 14:09:59,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 14:09:59,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 14:09:59,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:09:59,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 14:09:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 14:09:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 14:09:59,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 14:09:59,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 14:09:59,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:09:59,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1242086127, now seen corresponding path program 1 times [2023-05-04 14:09:59,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:09:59,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825802510] [2023-05-04 14:09:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:09:59,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:09:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 14:09:59,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 14:09:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 14:09:59,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 14:09:59,307 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 14:09:59,310 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-05-04 14:09:59,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-04 14:09:59,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 14:09:59,320 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-05-04 14:09:59,323 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 14:09:59,323 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 14:09:59,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 02:09:59 BasicIcfg [2023-05-04 14:09:59,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 14:09:59,352 INFO L158 Benchmark]: Toolchain (without parser) took 2187.46ms. Allocated memory is still 174.1MB. Free memory was 141.7MB in the beginning and 87.8MB in the end (delta: 53.9MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2023-05-04 14:09:59,353 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 14:09:59,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.99ms. Allocated memory is still 174.1MB. Free memory was 141.5MB in the beginning and 141.4MB in the end (delta: 86.8kB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-04 14:09:59,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.21ms. Allocated memory is still 174.1MB. Free memory was 141.3MB in the beginning and 139.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 14:09:59,353 INFO L158 Benchmark]: Boogie Preprocessor took 24.66ms. Allocated memory is still 174.1MB. Free memory was 139.3MB in the beginning and 138.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 14:09:59,353 INFO L158 Benchmark]: RCFGBuilder took 306.38ms. Allocated memory is still 174.1MB. Free memory was 138.0MB in the beginning and 125.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-04 14:09:59,354 INFO L158 Benchmark]: TraceAbstraction took 1482.88ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 87.8MB in the end (delta: 36.8MB). Peak memory consumption was 37.5MB. Max. memory is 8.0GB. [2023-05-04 14:09:59,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 340.99ms. Allocated memory is still 174.1MB. Free memory was 141.5MB in the beginning and 141.4MB in the end (delta: 86.8kB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.21ms. Allocated memory is still 174.1MB. Free memory was 141.3MB in the beginning and 139.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.66ms. Allocated memory is still 174.1MB. Free memory was 139.3MB in the beginning and 138.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 306.38ms. Allocated memory is still 174.1MB. Free memory was 138.0MB in the beginning and 125.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1482.88ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 87.8MB in the end (delta: 36.8MB). Peak memory consumption was 37.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 600, independent: 480, independent conditional: 161, independent unconditional: 319, dependent: 120, dependent conditional: 108, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 498, independent: 480, independent conditional: 161, independent unconditional: 319, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 498, independent: 480, independent conditional: 161, independent unconditional: 319, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 509, independent: 480, independent conditional: 2, independent unconditional: 478, dependent: 29, dependent conditional: 9, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 509, independent: 480, independent conditional: 2, independent unconditional: 478, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 509, independent: 480, independent conditional: 2, independent unconditional: 478, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 337, independent: 321, independent conditional: 2, independent unconditional: 319, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 337, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, independent: 86, independent conditional: 6, independent unconditional: 80, dependent: 46, dependent conditional: 9, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 509, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 337, unknown conditional: 6, unknown unconditional: 331] , Statistics on independence cache: Total cache size (in pairs): 337, Positive cache size: 321, Positive conditional cache size: 2, Positive unconditional cache size: 319, Negative cache size: 16, Negative conditional cache size: 4, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2, Independence queries for same thread: 102 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 124, Number of trivial persistent sets: 103, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 331, independent: 319, independent conditional: 0, independent unconditional: 319, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 600, independent: 480, independent conditional: 161, independent unconditional: 319, dependent: 120, dependent conditional: 108, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 498, independent: 480, independent conditional: 161, independent unconditional: 319, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 498, independent: 480, independent conditional: 161, independent unconditional: 319, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 509, independent: 480, independent conditional: 2, independent unconditional: 478, dependent: 29, dependent conditional: 9, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 509, independent: 480, independent conditional: 2, independent unconditional: 478, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 509, independent: 480, independent conditional: 2, independent unconditional: 478, dependent: 29, dependent conditional: 5, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 337, independent: 321, independent conditional: 2, independent unconditional: 319, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 337, independent: 307, independent conditional: 0, independent unconditional: 307, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, independent: 86, independent conditional: 6, independent unconditional: 80, dependent: 46, dependent conditional: 9, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 509, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 337, unknown conditional: 6, unknown unconditional: 331] , Statistics on independence cache: Total cache size (in pairs): 337, Positive cache size: 321, Positive conditional cache size: 2, Positive unconditional cache size: 319, Negative cache size: 16, Negative conditional cache size: 4, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2, Independence queries for same thread: 102 - 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] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=0] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=0] - 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: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0.5s InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2023-05-04 14:09:59,380 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 [2023-05-04 14:09:59,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...