/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 21:59:13,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 21:59:13,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 21:59:13,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 21:59:13,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 21:59:13,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 21:59:13,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 21:59:13,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 21:59:13,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 21:59:13,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 21:59:13,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 21:59:13,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 21:59:13,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 21:59:13,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 21:59:13,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 21:59:13,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 21:59:13,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 21:59:13,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 21:59:13,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 21:59:13,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 21:59:13,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-15 21:59:13,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 21:59:13,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 21:59:13,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 21:59:13,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 21:59:13,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 21:59:13,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 21:59:13,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 21:59:13,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 21:59:13,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 21:59:13,549 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 21:59:13,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 21:59:13,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 21:59:13,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 21:59:13,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 21:59:13,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 21:59:13,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 21:59:13,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 21:59:13,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 21:59:13,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 21:59:13,551 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 21:59:13,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 21:59:13,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 21:59:13,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 21:59:13,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 21:59:13,554 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 21:59:13,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 21:59:13,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 21:59:13,554 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-15 21:59:13,555 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-15 21:59:13,555 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 21:59:13,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 21:59:13,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 21:59:13,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 21:59:13,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 21:59:13,762 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 21:59:13,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-02-15 21:59:13,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55da6834b/141b140fd7bf4d1e956a691967755625/FLAGadc6a8fcb [2022-02-15 21:59:14,247 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 21:59:14,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2022-02-15 21:59:14,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55da6834b/141b140fd7bf4d1e956a691967755625/FLAGadc6a8fcb [2022-02-15 21:59:14,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55da6834b/141b140fd7bf4d1e956a691967755625 [2022-02-15 21:59:14,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 21:59:14,278 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 21:59:14,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 21:59:14,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 21:59:14,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 21:59:14,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de83097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14, skipping insertion in model container [2022-02-15 21:59:14,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 21:59:14,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 21:59:14,424 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-02-15 21:59:14,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 21:59:14,532 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 21:59:14,540 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_18-first-reads_unknown_2_neg.i[1097,1110] [2022-02-15 21:59:14,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 21:59:14,596 INFO L208 MainTranslator]: Completed translation [2022-02-15 21:59:14,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14 WrapperNode [2022-02-15 21:59:14,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 21:59:14,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 21:59:14,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 21:59:14,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 21:59:14,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,624 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-02-15 21:59:14,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 21:59:14,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 21:59:14,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 21:59:14,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 21:59:14,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 21:59:14,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 21:59:14,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 21:59:14,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 21:59:14,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (1/1) ... [2022-02-15 21:59:14,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 21:59:14,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 21:59:14,661 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) [2022-02-15 21:59:14,668 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 [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 21:59:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 21:59:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 21:59:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 21:59:14,692 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 21:59:14,757 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 21:59:14,758 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 21:59:14,862 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 21:59:14,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 21:59:14,867 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 21:59:14,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:59:14 BoogieIcfgContainer [2022-02-15 21:59:14,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 21:59:14,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 21:59:14,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 21:59:14,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 21:59:14,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 09:59:14" (1/3) ... [2022-02-15 21:59:14,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7921f103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:59:14, skipping insertion in model container [2022-02-15 21:59:14,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 09:59:14" (2/3) ... [2022-02-15 21:59:14,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7921f103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 09:59:14, skipping insertion in model container [2022-02-15 21:59:14,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 09:59:14" (3/3) ... [2022-02-15 21:59:14,875 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2022-02-15 21:59:14,878 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 21:59:14,878 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 21:59:14,878 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 21:59:14,878 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 21:59:14,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,920 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 21:59:14,931 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-15 21:59:14,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 21:59:14,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 21:59:14,961 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) [2022-02-15 21:59:14,961 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 [2022-02-15 21:59:14,993 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-02-15 21:59:14,997 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 21:59:14,997 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 21:59:15,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 21:59:15,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 21:59:15,092 INFO L85 PathProgramCache]: Analyzing trace with hash -140340200, now seen corresponding path program 1 times [2022-02-15 21:59:15,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 21:59:15,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889984076] [2022-02-15 21:59:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 21:59:15,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 21:59:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 21:59:15,223 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 21:59:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 21:59:15,280 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 21:59:15,281 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 21:59:15,282 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 21:59:15,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 21:59:15,296 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-15 21:59:15,296 INFO L309 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2022-02-15 21:59:15,299 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 21:59:15,299 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 21:59:15,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 09:59:15 BasicIcfg [2022-02-15 21:59:15,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 21:59:15,336 INFO L158 Benchmark]: Toolchain (without parser) took 1058.16ms. Allocated memory was 192.9MB in the beginning and 259.0MB in the end (delta: 66.1MB). Free memory was 135.6MB in the beginning and 177.8MB in the end (delta: -42.3MB). Peak memory consumption was 23.8MB. Max. memory is 8.0GB. [2022-02-15 21:59:15,336 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 21:59:15,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.90ms. Allocated memory was 192.9MB in the beginning and 259.0MB in the end (delta: 66.1MB). Free memory was 135.3MB in the beginning and 222.9MB in the end (delta: -87.6MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-02-15 21:59:15,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.26ms. Allocated memory is still 259.0MB. Free memory was 222.9MB in the beginning and 221.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 21:59:15,340 INFO L158 Benchmark]: Boogie Preprocessor took 13.07ms. Allocated memory is still 259.0MB. Free memory was 221.3MB in the beginning and 219.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 21:59:15,340 INFO L158 Benchmark]: RCFGBuilder took 230.23ms. Allocated memory is still 259.0MB. Free memory was 219.8MB in the beginning and 207.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-15 21:59:15,342 INFO L158 Benchmark]: TraceAbstraction took 465.19ms. Allocated memory is still 259.0MB. Free memory was 207.2MB in the beginning and 177.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-02-15 21:59:15,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.90ms. Allocated memory was 192.9MB in the beginning and 259.0MB in the end (delta: 66.1MB). Free memory was 135.3MB in the beginning and 222.9MB in the end (delta: -87.6MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.26ms. Allocated memory is still 259.0MB. Free memory was 222.9MB in the beginning and 221.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.07ms. Allocated memory is still 259.0MB. Free memory was 221.3MB in the beginning and 219.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 230.23ms. Allocated memory is still 259.0MB. Free memory was 219.8MB in the beginning and 207.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 465.19ms. Allocated memory is still 259.0MB. Free memory was 207.2MB in the beginning and 177.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 166, positive: 164, positive conditional: 16, positive unconditional: 148, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 16, positive unconditional: 148, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 16, positive unconditional: 148, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 165, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 149, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 149, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 165, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 149, unknown conditional: 0, unknown unconditional: 149] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 40, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 166, positive: 164, positive conditional: 16, positive unconditional: 148, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 16, positive unconditional: 148, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 16, positive unconditional: 148, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 165, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 149, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 149, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 165, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 149, unknown conditional: 0, unknown unconditional: 149] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=42, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=1] [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-02-15 21:59:15,385 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 [2022-02-15 21:59:15,591 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...