/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 19:50:13,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 19:50:13,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 19:50:13,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 19:50:13,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 19:50:13,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 19:50:13,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 19:50:13,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 19:50:13,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 19:50:13,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 19:50:13,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 19:50:13,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 19:50:13,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 19:50:13,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 19:50:13,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 19:50:13,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 19:50:13,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 19:50:13,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 19:50:13,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 19:50:13,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 19:50:13,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:50:13,838 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:50:13,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:50:13,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:50:13,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:50:13,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:50:13,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:50:13,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:50:13,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:50:13,841 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:50:13,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:50:13,841 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:50:13,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:50:13,842 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:50:13,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:50:13,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:50:13,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:50:13,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:50:13,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:50:13,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:50:13,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:50:13,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:50:13,845 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:50:13,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 19:50:14,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:50:14,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:50:14,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:50:14,055 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:50:14,056 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:50:14,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2023-05-04 19:50:14,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c8f7c59/acd471408caf460a9f9808639cf23188/FLAG2be152dcf [2023-05-04 19:50:14,521 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:50:14,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2023-05-04 19:50:14,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c8f7c59/acd471408caf460a9f9808639cf23188/FLAG2be152dcf [2023-05-04 19:50:14,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c8f7c59/acd471408caf460a9f9808639cf23188 [2023-05-04 19:50:14,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:50:14,553 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:50:14,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:50:14,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:50:14,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:50:14,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:14,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c6f0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14, skipping insertion in model container [2023-05-04 19:50:14,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:14,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:50:14,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:50:14,751 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2023-05-04 19:50:14,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:50:14,892 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:50:14,899 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_19-publish-precision_unknown_2_neg.i[1103,1116] [2023-05-04 19:50:14,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:50:14,960 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:50:14,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14 WrapperNode [2023-05-04 19:50:14,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:50:14,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:50:14,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:50:14,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:50:14,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:14,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:14,995 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-05-04 19:50:14,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:50:14,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:50:14,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:50:14,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:50:15,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,030 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:50:15,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:50:15,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:50:15,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:50:15,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (1/1) ... [2023-05-04 19:50:15,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:50:15,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:50:15,057 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 19:50:15,062 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 19:50:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:50:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:50:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 19:50:15,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:50:15,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:50:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-05-04 19:50:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-05-04 19:50:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:50:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:50:15,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:50:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:50:15,091 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 19:50:15,198 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:50:15,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:50:15,420 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:50:15,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:50:15,425 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 19:50:15,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:50:15 BoogieIcfgContainer [2023-05-04 19:50:15,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:50:15,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:50:15,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:50:15,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:50:15,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:50:14" (1/3) ... [2023-05-04 19:50:15,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1075bb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:50:15, skipping insertion in model container [2023-05-04 19:50:15,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:50:14" (2/3) ... [2023-05-04 19:50:15,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1075bb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:50:15, skipping insertion in model container [2023-05-04 19:50:15,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:50:15" (3/3) ... [2023-05-04 19:50:15,435 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2023-05-04 19:50:15,442 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:50:15,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:50:15,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 19:50:15,449 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:50:15,495 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-05-04 19:50:15,549 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:50:15,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:50:15,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:50:15,551 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 19:50:15,570 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 19:50:15,595 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:50:15,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 19:50:15,618 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;@23a1913f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:50:15,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 19:50:15,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:50:15,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:50:15,767 INFO L85 PathProgramCache]: Analyzing trace with hash -591045949, now seen corresponding path program 1 times [2023-05-04 19:50:15,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:50:15,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121801187] [2023-05-04 19:50:15,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:50:15,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:50:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:50:16,261 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 19:50:16,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:50:16,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121801187] [2023-05-04 19:50:16,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121801187] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:50:16,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:50:16,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 19:50:16,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577960512] [2023-05-04 19:50:16,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:50:16,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 19:50:16,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:50:16,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 19:50:16,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 19:50:16,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:50:16,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:50:16,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:50:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:50:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:50:16,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 19:50:16,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:50:16,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:50:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash -115763456, now seen corresponding path program 1 times [2023-05-04 19:50:16,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:50:16,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147484647] [2023-05-04 19:50:16,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:50:16,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:50:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:50:16,576 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 19:50:16,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:50:16,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147484647] [2023-05-04 19:50:16,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147484647] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 19:50:16,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 19:50:16,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 19:50:16,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274316424] [2023-05-04 19:50:16,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 19:50:16,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 19:50:16,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:50:16,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 19:50:16,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 19:50:16,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:50:16,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:50:16,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 19:50:16,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:50:16,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:50:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:50:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:50:16,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 19:50:16,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 19:50:16,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:50:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash 383193645, now seen corresponding path program 1 times [2023-05-04 19:50:16,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:50:16,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742626061] [2023-05-04 19:50:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:50:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:50:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:50:16,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 19:50:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 19:50:16,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 19:50:16,758 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 19:50:16,759 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-05-04 19:50:16,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-04 19:50:16,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 19:50:16,775 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-04 19:50:16,779 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 19:50:16,780 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 19:50:16,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:50:16 BasicIcfg [2023-05-04 19:50:16,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 19:50:16,841 INFO L158 Benchmark]: Toolchain (without parser) took 2287.55ms. Allocated memory was 127.9MB in the beginning and 181.4MB in the end (delta: 53.5MB). Free memory was 89.4MB in the beginning and 94.8MB in the end (delta: -5.4MB). Peak memory consumption was 47.3MB. Max. memory is 8.0GB. [2023-05-04 19:50:16,841 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 19:50:16,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.31ms. Allocated memory was 127.9MB in the beginning and 181.4MB in the end (delta: 53.5MB). Free memory was 89.2MB in the beginning and 150.4MB in the end (delta: -61.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-05-04 19:50:16,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.41ms. Allocated memory is still 181.4MB. Free memory was 150.4MB in the beginning and 148.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 19:50:16,842 INFO L158 Benchmark]: Boogie Preprocessor took 36.71ms. Allocated memory is still 181.4MB. Free memory was 148.3MB in the beginning and 147.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 19:50:16,843 INFO L158 Benchmark]: RCFGBuilder took 393.21ms. Allocated memory is still 181.4MB. Free memory was 147.3MB in the beginning and 134.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 19:50:16,843 INFO L158 Benchmark]: TraceAbstraction took 1411.38ms. Allocated memory is still 181.4MB. Free memory was 133.1MB in the beginning and 94.8MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-05-04 19:50:16,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 404.31ms. Allocated memory was 127.9MB in the beginning and 181.4MB in the end (delta: 53.5MB). Free memory was 89.2MB in the beginning and 150.4MB in the end (delta: -61.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.41ms. Allocated memory is still 181.4MB. Free memory was 150.4MB in the beginning and 148.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.71ms. Allocated memory is still 181.4MB. Free memory was 148.3MB in the beginning and 147.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 393.21ms. Allocated memory is still 181.4MB. Free memory was 147.3MB in the beginning and 134.1MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1411.38ms. Allocated memory is still 181.4MB. Free memory was 133.1MB in the beginning and 94.8MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 469, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 151, dependent conditional: 142, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 270, independent: 259, independent conditional: 0, independent unconditional: 259, 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: 270, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 43, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 331, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 270, unknown conditional: 2, unknown unconditional: 268] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 259, Positive conditional cache size: 0, Positive unconditional cache size: 259, 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: 0, Maximal queried relation: 1, Independence queries for same thread: 140 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 66, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, independent: 259, independent conditional: 0, independent unconditional: 259, 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: 469, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 151, dependent conditional: 142, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 329, independent: 318, independent conditional: 59, independent unconditional: 259, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 331, independent: 318, independent conditional: 0, independent unconditional: 318, dependent: 13, dependent conditional: 2, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 270, independent: 259, independent conditional: 0, independent unconditional: 259, 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: 270, independent: 252, independent conditional: 0, independent unconditional: 252, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, 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: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 2, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 43, dependent conditional: 9, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 331, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 270, unknown conditional: 2, unknown unconditional: 268] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 259, Positive conditional cache size: 0, Positive unconditional cache size: 259, 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: 0, Maximal queried relation: 1, Independence queries for same thread: 140 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex2={3:0}] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [mutex1={4:0}, mutex2={3:0}] [L681] 0 int glob1 = 0; VAL [glob1=0, mutex1={4:0}, mutex2={3:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={4:0}, mutex2={3:0}] [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={4:0}, mutex2={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={4:0}, mutex2={3:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={4:0}, mutex2={3:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, arg={0:0}, cond=0, glob1=5, mutex1={4:0}, mutex2={3:0}] - UnprovableResult [Line: 697]: 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, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 10, 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, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 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! [2023-05-04 19:50:16,871 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 19:50:17,074 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...