/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.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/05-lval_ls_05-glob_idx_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 18:00:04,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 18:00:04,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 18:00:04,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 18:00:04,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 18:00:04,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 18:00:04,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 18:00:04,863 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.epf [2022-02-09 18:00:04,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 18:00:04,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 18:00:04,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 18:00:04,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 18:00:04,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 18:00:04,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 18:00:04,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 18:00:04,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 18:00:04,889 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 18:00:04,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 18:00:04,889 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 18:00:04,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 18:00:04,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 18:00:04,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 18:00:04,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 18:00:04,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 18:00:04,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:00:04,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 18:00:04,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 18:00:04,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 18:00:04,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 18:00:04,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 18:00:04,907 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 18:00:04,907 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 18:00:04,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 18:00:04,908 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 18:00:04,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 18:00:05,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 18:00:05,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 18:00:05,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 18:00:05,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 18:00:05,112 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 18:00:05,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-02-09 18:00:05,169 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e6b2793/017cb632b9864daca9d68984df9d39e9/FLAG632afe2a9 [2022-02-09 18:00:05,538 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 18:00:05,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-02-09 18:00:05,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e6b2793/017cb632b9864daca9d68984df9d39e9/FLAG632afe2a9 [2022-02-09 18:00:05,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e6b2793/017cb632b9864daca9d68984df9d39e9 [2022-02-09 18:00:05,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 18:00:05,940 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 18:00:05,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 18:00:05,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 18:00:05,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 18:00:05,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:00:05" (1/1) ... [2022-02-09 18:00:05,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b2dd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:05, skipping insertion in model container [2022-02-09 18:00:05,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:00:05" (1/1) ... [2022-02-09 18:00:05,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 18:00:05,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 18:00:06,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 18:00:06,218 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 18:00:06,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 18:00:06,291 INFO L208 MainTranslator]: Completed translation [2022-02-09 18:00:06,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06 WrapperNode [2022-02-09 18:00:06,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 18:00:06,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 18:00:06,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 18:00:06,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 18:00:06,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,338 INFO L137 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-02-09 18:00:06,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 18:00:06,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 18:00:06,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 18:00:06,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 18:00:06,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 18:00:06,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 18:00:06,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 18:00:06,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 18:00:06,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (1/1) ... [2022-02-09 18:00:06,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:00:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:00:06,396 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) [2022-02-09 18:00:06,398 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 [2022-02-09 18:00:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 18:00:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 18:00:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 18:00:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 18:00:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 18:00:06,422 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 18:00:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 18:00:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 18:00:06,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 18:00:06,423 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 18:00:06,523 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 18:00:06,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 18:00:06,703 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 18:00:06,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 18:00:06,709 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 18:00:06,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:00:06 BoogieIcfgContainer [2022-02-09 18:00:06,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 18:00:06,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 18:00:06,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 18:00:06,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 18:00:06,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:00:05" (1/3) ... [2022-02-09 18:00:06,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300ebd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:00:06, skipping insertion in model container [2022-02-09 18:00:06,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:00:06" (2/3) ... [2022-02-09 18:00:06,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300ebd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:00:06, skipping insertion in model container [2022-02-09 18:00:06,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:00:06" (3/3) ... [2022-02-09 18:00:06,722 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2022-02-09 18:00:06,726 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 18:00:06,726 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 18:00:06,726 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-09 18:00:06,726 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 18:00:06,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,765 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,765 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,766 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,766 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,775 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,776 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 18:00:06,777 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 18:00:06,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 18:00:06,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:00:06,836 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) [2022-02-09 18:00:06,885 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 [2022-02-09 18:00:06,887 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 18:00:06,894 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=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 [2022-02-09 18:00:06,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 18:00:06,905 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 66 transitions, 137 flow [2022-02-09 18:00:06,980 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 600 states, 592 states have (on average 1.9138513513513513) internal successors, (1133), 599 states have internal predecessors, (1133), 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) [2022-02-09 18:00:06,998 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 33 transitions and produced 34 states. [2022-02-09 18:00:07,000 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 18:00:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:00:07,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1082527263, now seen corresponding path program 1 times [2022-02-09 18:00:07,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:00:07,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809382506] [2022-02-09 18:00:07,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:00:07,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:00:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:00:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:00:07,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:00:07,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809382506] [2022-02-09 18:00:07,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809382506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 18:00:07,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 18:00:07,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 18:00:07,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174877842] [2022-02-09 18:00:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 18:00:07,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 18:00:07,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:00:07,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 18:00:07,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 18:00:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:00:07,367 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:00:07,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2022-02-09 18:00:07,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:00:07,430 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 50 transitions and produced 51 states. [2022-02-09 18:00:07,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 18:00:07,432 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 18:00:07,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:00:07,433 INFO L85 PathProgramCache]: Analyzing trace with hash -804616287, now seen corresponding path program 1 times [2022-02-09 18:00:07,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:00:07,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587263048] [2022-02-09 18:00:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:00:07,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:00:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:00:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:00:07,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:00:07,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587263048] [2022-02-09 18:00:07,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587263048] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 18:00:07,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 18:00:07,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 18:00:07,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061306607] [2022-02-09 18:00:07,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 18:00:07,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 18:00:07,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:00:07,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 18:00:07,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 18:00:07,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:00:07,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:00:07,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2022-02-09 18:00:07,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:00:07,676 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 84 transitions and produced 85 states. [2022-02-09 18:00:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 18:00:07,677 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 18:00:07,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:00:07,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1785321918, now seen corresponding path program 1 times [2022-02-09 18:00:07,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:00:07,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641076044] [2022-02-09 18:00:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:00:07,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:00:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:00:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:00:07,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:00:07,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641076044] [2022-02-09 18:00:07,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641076044] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 18:00:07,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 18:00:07,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 18:00:07,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537603512] [2022-02-09 18:00:07,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 18:00:07,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 18:00:07,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:00:07,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 18:00:07,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 18:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:00:07,830 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:00:07,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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) [2022-02-09 18:00:07,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:00:07,940 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 611 transitions and produced 376 states. [2022-02-09 18:00:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 18:00:07,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 18:00:07,941 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 18:00:07,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:00:07,941 INFO L85 PathProgramCache]: Analyzing trace with hash -109973552, now seen corresponding path program 1 times [2022-02-09 18:00:07,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:00:07,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908532356] [2022-02-09 18:00:07,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:00:07,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:00:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 18:00:07,969 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 18:00:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 18:00:08,009 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 18:00:08,009 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 18:00:08,010 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-09 18:00:08,011 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-09 18:00:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-09 18:00:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-09 18:00:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-09 18:00:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-09 18:00:08,012 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-09 18:00:08,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 18:00:08,017 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 18:00:08,021 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 18:00:08,021 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 18:00:08,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:00:08 BasicIcfg [2022-02-09 18:00:08,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 18:00:08,042 INFO L158 Benchmark]: Toolchain (without parser) took 2101.29ms. Allocated memory was 201.3MB in the beginning and 298.8MB in the end (delta: 97.5MB). Free memory was 144.5MB in the beginning and 156.6MB in the end (delta: -12.1MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2022-02-09 18:00:08,042 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 18:00:08,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.70ms. Allocated memory was 201.3MB in the beginning and 298.8MB in the end (delta: 97.5MB). Free memory was 144.3MB in the beginning and 262.9MB in the end (delta: -118.5MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. [2022-02-09 18:00:08,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.77ms. Allocated memory is still 298.8MB. Free memory was 262.9MB in the beginning and 260.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 18:00:08,043 INFO L158 Benchmark]: Boogie Preprocessor took 16.49ms. Allocated memory is still 298.8MB. Free memory was 260.9MB in the beginning and 259.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 18:00:08,043 INFO L158 Benchmark]: RCFGBuilder took 353.88ms. Allocated memory is still 298.8MB. Free memory was 259.3MB in the beginning and 245.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-09 18:00:08,043 INFO L158 Benchmark]: TraceAbstraction took 1329.50ms. Allocated memory is still 298.8MB. Free memory was 244.6MB in the beginning and 156.6MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. [2022-02-09 18:00:08,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.70ms. Allocated memory was 201.3MB in the beginning and 298.8MB in the end (delta: 97.5MB). Free memory was 144.3MB in the beginning and 262.9MB in the end (delta: -118.5MB). Peak memory consumption was 10.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.77ms. Allocated memory is still 298.8MB. Free memory was 262.9MB in the beginning and 260.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.49ms. Allocated memory is still 298.8MB. Free memory was 260.9MB in the beginning and 259.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 353.88ms. Allocated memory is still 298.8MB. Free memory was 259.3MB in the beginning and 245.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1329.50ms. Allocated memory is still 298.8MB. Free memory was 244.6MB in the beginning and 156.6MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. 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: 687]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; VAL [data={1:0}] [L685] 0 pthread_t id; VAL [data={1:0}, id={2:0}] [L686] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] EXPR 0 data[4] VAL [arg={0:0}, data={1:0}, data[4]=0, id={2:0}] [L687] 0 data[4]++ VAL [arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=41, id={2:0}] [L681] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=1, data[4]++=0, data[4]++=41, id={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data[4]++ [687] * C: data[4]++ [681] * C: data[4]++ [687] * C: data[4]++ [687] * C: data[4]++ [687] and C: data[4]++ [687] - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: 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, 91 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=600occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.4s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-09 18:00:08,093 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 [2022-02-09 18:00:08,307 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...