/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-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 02:40:02,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 02:40:02,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 02:40:02,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 02:40:02,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 02:40:02,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 02:40:02,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 02:40:02,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 02:40:03,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 02:40:03,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 02:40:03,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 02:40:03,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 02:40:03,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 02:40:03,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 02:40:03,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 02:40:03,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 02:40:03,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 02:40:03,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 02:40:03,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 02:40:03,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 02:40:03,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 02:40:03,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-10 02:40:03,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 02:40:03,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 02:40:03,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 02:40:03,021 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-MCRwithDepranks-BasicCegarLoop.epf [2022-02-10 02:40:03,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 02:40:03,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 02:40:03,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 02:40:03,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 02:40:03,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 02:40:03,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 02:40:03,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 02:40:03,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 02:40:03,049 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 02:40:03,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 02:40:03,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 02:40:03,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 02:40:03,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 02:40:03,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 02:40:03,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 02:40:03,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 02:40:03,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 02:40:03,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 02:40:03,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 02:40:03,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 02:40:03,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 02:40:03,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 02:40:03,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 02:40:03,052 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 02:40:03,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 02:40:03,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 02:40:03,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 02:40:03,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 02:40:03,366 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 02:40:03,367 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 02:40:03,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2022-02-10 02:40:03,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71bcd74b/658b1519a1364495babd862339fe5129/FLAGe80067f08 [2022-02-10 02:40:03,883 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 02:40:03,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_50-funptr_rc.i [2022-02-10 02:40:03,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71bcd74b/658b1519a1364495babd862339fe5129/FLAGe80067f08 [2022-02-10 02:40:03,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71bcd74b/658b1519a1364495babd862339fe5129 [2022-02-10 02:40:03,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 02:40:03,918 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 02:40:03,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 02:40:03,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 02:40:03,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 02:40:03,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:40:03" (1/1) ... [2022-02-10 02:40:03,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11efa51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:03, skipping insertion in model container [2022-02-10 02:40:03,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:40:03" (1/1) ... [2022-02-10 02:40:03,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 02:40:03,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 02:40:04,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 02:40:04,349 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 02:40:04,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 02:40:04,437 INFO L208 MainTranslator]: Completed translation [2022-02-10 02:40:04,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04 WrapperNode [2022-02-10 02:40:04,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 02:40:04,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 02:40:04,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 02:40:04,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 02:40:04,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,511 INFO L137 Inliner]: procedures = 265, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2022-02-10 02:40:04,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 02:40:04,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 02:40:04,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 02:40:04,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 02:40:04,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 02:40:04,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 02:40:04,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 02:40:04,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 02:40:04,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (1/1) ... [2022-02-10 02:40:04,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 02:40:04,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 02:40:04,601 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) [2022-02-10 02:40:04,632 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 [2022-02-10 02:40:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 02:40:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 02:40:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 02:40:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 02:40:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 02:40:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 02:40:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 02:40:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 02:40:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 02:40:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 02:40:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 02:40:04,660 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 02:40:04,796 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 02:40:04,797 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 02:40:04,986 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 02:40:04,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 02:40:04,991 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 02:40:04,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:40:04 BoogieIcfgContainer [2022-02-10 02:40:04,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 02:40:04,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 02:40:04,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 02:40:04,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 02:40:04,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 02:40:03" (1/3) ... [2022-02-10 02:40:04,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d14c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:40:04, skipping insertion in model container [2022-02-10 02:40:04,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:40:04" (2/3) ... [2022-02-10 02:40:04,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d14c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:40:04, skipping insertion in model container [2022-02-10 02:40:04,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:40:04" (3/3) ... [2022-02-10 02:40:04,998 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.i [2022-02-10 02:40:05,005 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 02:40:05,005 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 02:40:05,006 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-10 02:40:05,006 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 02:40:05,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,049 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,057 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,058 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:40:05,062 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 02:40:05,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 02:40:05,108 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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 [2022-02-10 02:40:05,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-10 02:40:05,120 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 92 transitions, 192 flow [2022-02-10 02:40:05,185 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 582 states, 577 states have (on average 1.8942807625649913) internal successors, (1093), 581 states have internal predecessors, (1093), 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) [2022-02-10 02:40:06,118 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 8159 transitions and produced 4478 states. [2022-02-10 02:40:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 4478 states, 3525 states have (on average 1.3347517730496454) internal successors, (4705), 4477 states have internal predecessors, (4705), 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) [2022-02-10 02:40:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-10 02:40:06,165 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:40:06,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:40:06,167 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 02:40:06,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:40:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2005149439, now seen corresponding path program 1 times [2022-02-10 02:40:06,178 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:40:06,178 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497047183] [2022-02-10 02:40:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:40:06,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:40:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:40:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:40:06,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:40:06,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497047183] [2022-02-10 02:40:06,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497047183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:40:06,382 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:40:06,382 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 02:40:06,383 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606191260] [2022-02-10 02:40:06,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:40:06,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 02:40:06,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:40:06,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 02:40:06,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:40:06,461 INFO L87 Difference]: Start difference. First operand has 4478 states, 3525 states have (on average 1.3347517730496454) internal successors, (4705), 4477 states have internal predecessors, (4705), 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) Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-02-10 02:40:06,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:40:06,610 INFO L93 Difference]: Finished difference Result 4449 states and 4664 transitions. [2022-02-10 02:40:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 02:40:06,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) Word has length 34 [2022-02-10 02:40:06,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:40:06,634 INFO L225 Difference]: With dead ends: 4449 [2022-02-10 02:40:06,634 INFO L226 Difference]: Without dead ends: 2241 [2022-02-10 02:40:06,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:40:06,638 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 48 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:40:06,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 138 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:40:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2022-02-10 02:40:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 593. [2022-02-10 02:40:06,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 550 states have (on average 1.3127272727272727) internal successors, (722), 592 states have internal predecessors, (722), 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) [2022-02-10 02:40:06,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 722 transitions. [2022-02-10 02:40:06,723 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 722 transitions. Word has length 34 [2022-02-10 02:40:06,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:40:06,724 INFO L470 AbstractCegarLoop]: Abstraction has 593 states and 722 transitions. [2022-02-10 02:40:06,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-02-10 02:40:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 722 transitions. [2022-02-10 02:40:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-10 02:40:06,725 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:40:06,725 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:40:06,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 02:40:06,725 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 02:40:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:40:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1021855665, now seen corresponding path program 1 times [2022-02-10 02:40:06,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:40:06,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132373008] [2022-02-10 02:40:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:40:06,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:40:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:40:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:40:06,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:40:06,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132373008] [2022-02-10 02:40:06,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132373008] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:40:06,817 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:40:06,817 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 02:40:06,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317682932] [2022-02-10 02:40:06,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:40:06,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 02:40:06,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:40:06,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 02:40:06,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:40:06,819 INFO L87 Difference]: Start difference. First operand 593 states and 722 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-02-10 02:40:06,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:40:06,841 INFO L93 Difference]: Finished difference Result 658 states and 754 transitions. [2022-02-10 02:40:06,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 02:40:06,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 35 [2022-02-10 02:40:06,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:40:06,845 INFO L225 Difference]: With dead ends: 658 [2022-02-10 02:40:06,845 INFO L226 Difference]: Without dead ends: 439 [2022-02-10 02:40:06,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:40:06,846 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 39 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:40:06,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 191 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:40:06,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-02-10 02:40:06,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 403. [2022-02-10 02:40:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 365 states have (on average 1.178082191780822) internal successors, (430), 402 states have internal predecessors, (430), 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) [2022-02-10 02:40:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 430 transitions. [2022-02-10 02:40:06,861 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 430 transitions. Word has length 35 [2022-02-10 02:40:06,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:40:06,862 INFO L470 AbstractCegarLoop]: Abstraction has 403 states and 430 transitions. [2022-02-10 02:40:06,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-02-10 02:40:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 430 transitions. [2022-02-10 02:40:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-10 02:40:06,868 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:40:06,868 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:40:06,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 02:40:06,869 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 02:40:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:40:06,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1945059970, now seen corresponding path program 1 times [2022-02-10 02:40:06,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:40:06,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771043313] [2022-02-10 02:40:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:40:06,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:40:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 02:40:06,907 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 02:40:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 02:40:06,963 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 02:40:06,964 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-10 02:40:06,964 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-02-10 02:40:06,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-02-10 02:40:06,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-02-10 02:40:06,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-02-10 02:40:06,971 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-02-10 02:40:06,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 02:40:06,973 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 02:40:06,976 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 02:40:06,977 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 02:40:07,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 02:40:07 BasicIcfg [2022-02-10 02:40:07,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 02:40:07,026 INFO L158 Benchmark]: Toolchain (without parser) took 3107.92ms. Allocated memory was 211.8MB in the beginning and 340.8MB in the end (delta: 129.0MB). Free memory was 159.2MB in the beginning and 168.6MB in the end (delta: -9.4MB). Peak memory consumption was 120.4MB. Max. memory is 8.0GB. [2022-02-10 02:40:07,026 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 211.8MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 02:40:07,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.73ms. Allocated memory was 211.8MB in the beginning and 340.8MB in the end (delta: 129.0MB). Free memory was 158.9MB in the beginning and 301.4MB in the end (delta: -142.5MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. [2022-02-10 02:40:07,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.01ms. Allocated memory is still 340.8MB. Free memory was 301.4MB in the beginning and 298.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 02:40:07,027 INFO L158 Benchmark]: Boogie Preprocessor took 33.57ms. Allocated memory is still 340.8MB. Free memory was 298.8MB in the beginning and 297.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 02:40:07,027 INFO L158 Benchmark]: RCFGBuilder took 434.96ms. Allocated memory is still 340.8MB. Free memory was 297.2MB in the beginning and 284.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-10 02:40:07,027 INFO L158 Benchmark]: TraceAbstraction took 2031.19ms. Allocated memory is still 340.8MB. Free memory was 283.6MB in the beginning and 168.6MB in the end (delta: 115.0MB). Peak memory consumption was 116.0MB. Max. memory is 8.0GB. [2022-02-10 02:40:07,029 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 211.8MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 519.73ms. Allocated memory was 211.8MB in the beginning and 340.8MB in the end (delta: 129.0MB). Free memory was 158.9MB in the beginning and 301.4MB in the end (delta: -142.5MB). Peak memory consumption was 6.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.01ms. Allocated memory is still 340.8MB. Free memory was 301.4MB in the beginning and 298.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.57ms. Allocated memory is still 340.8MB. Free memory was 298.8MB in the beginning and 297.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 434.96ms. Allocated memory is still 340.8MB. Free memory was 297.2MB in the beginning and 284.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2031.19ms. Allocated memory is still 340.8MB. Free memory was 283.6MB in the beginning and 168.6MB in the end (delta: 115.0MB). Peak memory consumption was 116.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - 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 - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L919] 0 int (*fp)() = f1; VAL [={-1:0}] [L920] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, mutex1={1:0}] [L921] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [={-1:0}, mutex1={1:0}, mutex2={2:0}] [L929] 0 pthread_t id; VAL [={-1:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}] [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [={-1:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L924] 1 fp = f2 VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, mutex1={1:0}, mutex2={2:0}] [L932] 0 fp() VAL [={-1:1}, arg={0:0}, arg={0:0}, fp = f2=25, id={3:0}, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~fp~0 between C: fp = f2 [924] and C: fp() [932] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: 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. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, PartialOrderReductionTime: 0.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 329 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 208 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4478occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1684 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 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 could not prove your program: unable to determine feasibility of some traces [2022-02-10 02:40:07,073 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...