/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-Lazy-NoForkJoinOpt-wrwc.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/03-practical_07-nonterm.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 09:49:20,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 09:49:20,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 09:49:20,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 09:49:20,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 09:49:20,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 09:49:20,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 09:49:20,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 09:49:20,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 09:49:20,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 09:49:20,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 09:49:20,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 09:49:20,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 09:49:20,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 09:49:20,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 09:49:20,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 09:49:20,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 09:49:20,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 09:49:20,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 09:49:20,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 09:49:20,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 09:49:20,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 09:49:20,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 09:49:20,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 09:49:20,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 09:49:20,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 09:49:20,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 09:49:20,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 09:49:20,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 09:49:20,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 09:49:20,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 09:49:20,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 09:49:20,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 09:49:20,380 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-Lazy-NoForkJoinOpt-wrwc.epf [2022-02-19 09:49:20,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 09:49:20,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 09:49:20,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 09:49:20,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 09:49:20,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 09:49:20,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 09:49:20,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 09:49:20,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 09:49:20,402 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 09:49:20,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 09:49:20,402 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 09:49:20,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 09:49:20,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 09:49:20,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 09:49:20,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 09:49:20,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 09:49:20,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 09:49:20,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 09:49:20,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 09:49:20,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 09:49:20,404 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 09:49:20,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 09:49:20,405 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 09:49:20,406 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 09:49:20,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 09:49:20,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 09:49:20,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 09:49:20,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 09:49:20,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 09:49:20,607 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 09:49:20,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_07-nonterm.i [2022-02-19 09:49:20,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ae66219/7ca0580fc54b40d89e2b07ca269abed2/FLAG04614409b [2022-02-19 09:49:21,098 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 09:49:21,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_07-nonterm.i [2022-02-19 09:49:21,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ae66219/7ca0580fc54b40d89e2b07ca269abed2/FLAG04614409b [2022-02-19 09:49:21,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ae66219/7ca0580fc54b40d89e2b07ca269abed2 [2022-02-19 09:49:21,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 09:49:21,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 09:49:21,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 09:49:21,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 09:49:21,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 09:49:21,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b40fb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21, skipping insertion in model container [2022-02-19 09:49:21,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 09:49:21,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 09:49:21,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 09:49:21,614 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 09:49:21,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 09:49:21,706 INFO L208 MainTranslator]: Completed translation [2022-02-19 09:49:21,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21 WrapperNode [2022-02-19 09:49:21,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 09:49:21,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 09:49:21,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 09:49:21,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 09:49:21,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,751 INFO L137 Inliner]: procedures = 262, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-19 09:49:21,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 09:49:21,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 09:49:21,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 09:49:21,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 09:49:21,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 09:49:21,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 09:49:21,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 09:49:21,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 09:49:21,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (1/1) ... [2022-02-19 09:49:21,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 09:49:21,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:49:21,830 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) [2022-02-19 09:49:21,854 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 [2022-02-19 09:49:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 09:49:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 09:49:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 09:49:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 09:49:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 09:49:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 09:49:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 09:49:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 09:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 09:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 09:49:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 09:49:21,868 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 09:49:21,997 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 09:49:21,998 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 09:49:22,128 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 09:49:22,133 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 09:49:22,133 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 09:49:22,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:49:22 BoogieIcfgContainer [2022-02-19 09:49:22,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 09:49:22,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 09:49:22,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 09:49:22,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 09:49:22,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:49:21" (1/3) ... [2022-02-19 09:49:22,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad5ca7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:49:22, skipping insertion in model container [2022-02-19 09:49:22,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:49:21" (2/3) ... [2022-02-19 09:49:22,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad5ca7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:49:22, skipping insertion in model container [2022-02-19 09:49:22,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:49:22" (3/3) ... [2022-02-19 09:49:22,151 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_07-nonterm.i [2022-02-19 09:49:22,154 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 09:49:22,154 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 09:49:22,155 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-02-19 09:49:22,155 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 09:49:22,179 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,180 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,180 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,181 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,181 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,182 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,183 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,184 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,186 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,186 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,186 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,187 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:49:22,189 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 09:49:22,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 09:49:22,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:49:22,220 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) [2022-02-19 09:49:22,221 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 [2022-02-19 09:49:22,241 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 09:49:22,245 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-02-19 09:49:22,246 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-02-19 09:49:22,286 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 43 transitions and produced 44 states. [2022-02-19 09:49:22,287 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 09:49:22,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:49:22,291 INFO L85 PathProgramCache]: Analyzing trace with hash -693851461, now seen corresponding path program 1 times [2022-02-19 09:49:22,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:49:22,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156479461] [2022-02-19 09:49:22,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:49:22,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:49:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:49:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:49:22,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:49:22,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156479461] [2022-02-19 09:49:22,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156479461] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:49:22,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:49:22,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 09:49:22,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154324213] [2022-02-19 09:49:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:49:22,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:49:22,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:49:22,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:49:22,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 09:49:22,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:22,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:49:22,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-02-19 09:49:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:22,524 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-19 09:49:22,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 09:49:22,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 09:49:22,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:49:22,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1256221422, now seen corresponding path program 1 times [2022-02-19 09:49:22,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:49:22,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52103893] [2022-02-19 09:49:22,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:49:22,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:49:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:49:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:49:22,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:49:22,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52103893] [2022-02-19 09:49:22,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52103893] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:49:22,630 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:49:22,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 09:49:22,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943392686] [2022-02-19 09:49:22,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:49:22,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:49:22,632 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:49:22,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:49:22,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 09:49:22,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:22,633 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:49:22,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-02-19 09:49:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:22,654 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 69 transitions and produced 70 states. [2022-02-19 09:49:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 09:49:22,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 09:49:22,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:49:22,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1111228712, now seen corresponding path program 1 times [2022-02-19 09:49:22,656 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:49:22,656 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115610661] [2022-02-19 09:49:22,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:49:22,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:49:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:49:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:49:22,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:49:22,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115610661] [2022-02-19 09:49:22,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115610661] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:49:22,834 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:49:22,835 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 09:49:22,835 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629825495] [2022-02-19 09:49:22,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:49:22,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 09:49:22,836 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:49:22,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 09:49:22,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-19 09:49:22,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:22,837 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:49:22,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 09:49:22,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:22,882 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80 transitions and produced 81 states. [2022-02-19 09:49:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:49:22,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 09:49:22,883 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 09:49:22,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:49:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash -159709763, now seen corresponding path program 1 times [2022-02-19 09:49:22,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:49:22,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918127687] [2022-02-19 09:49:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:49:22,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:49:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:49:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:49:22,923 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:49:22,923 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918127687] [2022-02-19 09:49:22,923 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918127687] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:49:22,923 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:49:22,923 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 09:49:22,924 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843735552] [2022-02-19 09:49:22,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:49:22,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:49:22,924 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:49:22,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:49:22,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 09:49:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:22,925 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:49:22,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-02-19 09:49:22,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:22,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:49:22,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:49:23,548 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1157 transitions and produced 716 states. [2022-02-19 09:49:23,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:49:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:49:23,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 09:49:23,549 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-19 09:49:23,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:49:23,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1078084372, now seen corresponding path program 1 times [2022-02-19 09:49:23,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:49:23,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161606113] [2022-02-19 09:49:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:49:23,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:49:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 09:49:23,586 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 09:49:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 09:49:23,627 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 09:49:23,628 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 09:49:23,628 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-02-19 09:49:23,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-02-19 09:49:23,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-02-19 09:49:23,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-02-19 09:49:23,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 9 remaining) [2022-02-19 09:49:23,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-02-19 09:49:23,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-02-19 09:49:23,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-02-19 09:49:23,631 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-02-19 09:49:23,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 09:49:23,639 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-19 09:49:23,643 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 09:49:23,643 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 09:49:23,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:49:23 BasicIcfg [2022-02-19 09:49:23,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 09:49:23,679 INFO L158 Benchmark]: Toolchain (without parser) took 2552.83ms. Allocated memory was 183.5MB in the beginning and 356.5MB in the end (delta: 173.0MB). Free memory was 124.7MB in the beginning and 232.6MB in the end (delta: -107.9MB). Peak memory consumption was 66.4MB. Max. memory is 8.0GB. [2022-02-19 09:49:23,679 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 09:49:23,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.06ms. Allocated memory was 183.5MB in the beginning and 356.5MB in the end (delta: 173.0MB). Free memory was 124.6MB in the beginning and 312.2MB in the end (delta: -187.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-02-19 09:49:23,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.11ms. Allocated memory is still 356.5MB. Free memory was 312.2MB in the beginning and 309.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 09:49:23,680 INFO L158 Benchmark]: Boogie Preprocessor took 48.46ms. Allocated memory is still 356.5MB. Free memory was 309.6MB in the beginning and 308.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 09:49:23,680 INFO L158 Benchmark]: RCFGBuilder took 333.22ms. Allocated memory is still 356.5MB. Free memory was 308.0MB in the beginning and 294.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-19 09:49:23,680 INFO L158 Benchmark]: TraceAbstraction took 1542.56ms. Allocated memory is still 356.5MB. Free memory was 293.9MB in the beginning and 232.6MB in the end (delta: 61.3MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2022-02-19 09:49:23,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 143.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 580.06ms. Allocated memory was 183.5MB in the beginning and 356.5MB in the end (delta: 173.0MB). Free memory was 124.6MB in the beginning and 312.2MB in the end (delta: -187.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.11ms. Allocated memory is still 356.5MB. Free memory was 312.2MB in the beginning and 309.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.46ms. Allocated memory is still 356.5MB. Free memory was 309.6MB in the beginning and 308.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 333.22ms. Allocated memory is still 356.5MB. Free memory was 308.0MB in the beginning and 294.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1542.56ms. Allocated memory is still 356.5MB. Free memory was 293.9MB in the beginning and 232.6MB in the end (delta: 61.3MB). Peak memory consumption was 62.9MB. 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: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.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, Eliminated conditions: 0, Maximal queried relation: -1, 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: 931]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, mutex2={4:0}, myglobal=0] [L928] 0 pthread_t id; VAL [id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L931] EXPR 0 myglobal+1 VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=0] [L931] 0 myglobal=myglobal+1 VAL [arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1, myglobal=myglobal+1=25] [L922] 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1] [L931] 0 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={3:0}, mutex2={4:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [922] and C: myglobal=myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 929]: 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: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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, 103 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2022-02-19 09:49:23,718 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 [2022-02-19 09:49:23,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...