/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:17,784 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:17,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 22:46:17,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 22:46:17,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 22:46:17,850 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-FA-NoLbe.epf [2021-10-16 22:46:17,863 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:17,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:17,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:17,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:17,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:17,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:17,864 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:17,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:17,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:17,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:17,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:17,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:17,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:17,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:17,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:18,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:18,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:18,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:18,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:18,062 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:18,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i [2021-10-16 22:46:18,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ffee745/c638c659fa8c429b98d64d5803fffb7e/FLAGad04288e5 [2021-10-16 22:46:18,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:18,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i [2021-10-16 22:46:18,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ffee745/c638c659fa8c429b98d64d5803fffb7e/FLAGad04288e5 [2021-10-16 22:46:18,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ffee745/c638c659fa8c429b98d64d5803fffb7e [2021-10-16 22:46:18,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:18,560 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:18,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:18,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:18,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:18,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:18,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be6d778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18, skipping insertion in model container [2021-10-16 22:46:18,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:18,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:18,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:18,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:18,884 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:18,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:18,976 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:18,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18 WrapperNode [2021-10-16 22:46:18,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:18,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:18,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:18,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:18,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:19,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:19,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:19,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:19,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:19,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:19,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:19,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:19,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (1/1) ... [2021-10-16 22:46:19,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:19,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:19,085 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) [2021-10-16 22:46:19,103 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 [2021-10-16 22:46:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:19,122 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:46:19,342 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:19,343 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 22:46:19,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:19 BoogieIcfgContainer [2021-10-16 22:46:19,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:19,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:19,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:19,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:19,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:18" (1/3) ... [2021-10-16 22:46:19,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753e1240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:19, skipping insertion in model container [2021-10-16 22:46:19,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:18" (2/3) ... [2021-10-16 22:46:19,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753e1240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:19, skipping insertion in model container [2021-10-16 22:46:19,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:19" (3/3) ... [2021-10-16 22:46:19,349 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i [2021-10-16 22:46:19,352 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:19,352 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:19,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-16 22:46:19,353 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:19,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,377 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,377 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,388 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,388 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:19,392 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:46:19,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:19,422 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-16 22:46:19,422 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-16 22:46:19,430 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 76 transitions, 157 flow [2021-10-16 22:46:19,448 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 292 states, 287 states have (on average 1.7665505226480835) internal successors, (507), 291 states have internal predecessors, (507), 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) [2021-10-16 22:46:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 292 states, 287 states have (on average 1.7665505226480835) internal successors, (507), 291 states have internal predecessors, (507), 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) [2021-10-16 22:46:19,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-16 22:46:19,454 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:19,454 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:19,455 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 22:46:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:19,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1314658311, now seen corresponding path program 1 times [2021-10-16 22:46:19,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:19,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421753126] [2021-10-16 22:46:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:19,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:19,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:19,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421753126] [2021-10-16 22:46:19,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421753126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:19,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:19,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:19,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699387881] [2021-10-16 22:46:19,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:19,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:19,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:19,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,595 INFO L87 Difference]: Start difference. First operand has 292 states, 287 states have (on average 1.7665505226480835) internal successors, (507), 291 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-16 22:46:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:19,620 INFO L93 Difference]: Finished difference Result 291 states and 506 transitions. [2021-10-16 22:46:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:19,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-16 22:46:19,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:19,630 INFO L225 Difference]: With dead ends: 291 [2021-10-16 22:46:19,630 INFO L226 Difference]: Without dead ends: 291 [2021-10-16 22:46:19,631 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-16 22:46:19,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-10-16 22:46:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 287 states have (on average 1.7630662020905923) internal successors, (506), 290 states have internal predecessors, (506), 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) [2021-10-16 22:46:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 506 transitions. [2021-10-16 22:46:19,668 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 506 transitions. Word has length 27 [2021-10-16 22:46:19,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:19,677 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 506 transitions. [2021-10-16 22:46:19,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-16 22:46:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 506 transitions. [2021-10-16 22:46:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 22:46:19,678 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:19,678 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:19,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:19,678 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 22:46:19,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:19,679 INFO L82 PathProgramCache]: Analyzing trace with hash -702883733, now seen corresponding path program 1 times [2021-10-16 22:46:19,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:19,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888154626] [2021-10-16 22:46:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:19,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:19,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:19,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888154626] [2021-10-16 22:46:19,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888154626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:19,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:19,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:19,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863429446] [2021-10-16 22:46:19,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:19,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:19,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:19,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,725 INFO L87 Difference]: Start difference. First operand 291 states and 506 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:19,738 INFO L93 Difference]: Finished difference Result 290 states and 505 transitions. [2021-10-16 22:46:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:19,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-16 22:46:19,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:19,740 INFO L225 Difference]: With dead ends: 290 [2021-10-16 22:46:19,740 INFO L226 Difference]: Without dead ends: 290 [2021-10-16 22:46:19,741 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-16 22:46:19,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2021-10-16 22:46:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 287 states have (on average 1.759581881533101) internal successors, (505), 289 states have internal predecessors, (505), 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) [2021-10-16 22:46:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 505 transitions. [2021-10-16 22:46:19,753 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 505 transitions. Word has length 34 [2021-10-16 22:46:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:19,754 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 505 transitions. [2021-10-16 22:46:19,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 505 transitions. [2021-10-16 22:46:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-16 22:46:19,755 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:19,755 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:19,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:19,755 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 22:46:19,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:19,756 INFO L82 PathProgramCache]: Analyzing trace with hash -616673858, now seen corresponding path program 1 times [2021-10-16 22:46:19,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:19,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312868708] [2021-10-16 22:46:19,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:19,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:19,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:19,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312868708] [2021-10-16 22:46:19,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312868708] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:19,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:19,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:19,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449140963] [2021-10-16 22:46:19,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:19,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:19,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,837 INFO L87 Difference]: Start difference. First operand 290 states and 505 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-10-16 22:46:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:19,847 INFO L93 Difference]: Finished difference Result 274 states and 474 transitions. [2021-10-16 22:46:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:19,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-16 22:46:19,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:19,855 INFO L225 Difference]: With dead ends: 274 [2021-10-16 22:46:19,855 INFO L226 Difference]: Without dead ends: 220 [2021-10-16 22:46:19,856 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-10-16 22:46:19,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2021-10-16 22:46:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.6986301369863013) internal successors, (372), 219 states have internal predecessors, (372), 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) [2021-10-16 22:46:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 372 transitions. [2021-10-16 22:46:19,864 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 372 transitions. Word has length 49 [2021-10-16 22:46:19,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:19,864 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 372 transitions. [2021-10-16 22:46:19,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-10-16 22:46:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 372 transitions. [2021-10-16 22:46:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-16 22:46:19,866 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:19,866 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:19,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:19,866 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 22:46:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:19,867 INFO L82 PathProgramCache]: Analyzing trace with hash -349284450, now seen corresponding path program 1 times [2021-10-16 22:46:19,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:19,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153659960] [2021-10-16 22:46:19,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:19,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:19,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:19,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153659960] [2021-10-16 22:46:19,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153659960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:19,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:19,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:19,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893834861] [2021-10-16 22:46:19,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:19,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:19,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:19,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,924 INFO L87 Difference]: Start difference. First operand 220 states and 372 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-10-16 22:46:19,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:19,933 INFO L93 Difference]: Finished difference Result 202 states and 337 transitions. [2021-10-16 22:46:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:19,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-16 22:46:19,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:19,934 INFO L225 Difference]: With dead ends: 202 [2021-10-16 22:46:19,934 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 22:46:19,934 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:19,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 22:46:19,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 22:46:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-16 22:46:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 22:46:19,935 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2021-10-16 22:46:19,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:19,935 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 22:46:19,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-10-16 22:46:19,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 22:46:19,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 22:46:19,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:19,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:19,937 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:19,938 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:46:19,938 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:19,938 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:19,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:46:19,942 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:46:19,942 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:46:19,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:46:19 BasicIcfg [2021-10-16 22:46:19,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:46:19,945 INFO L168 Benchmark]: Toolchain (without parser) took 1383.87 ms. Allocated memory is still 195.0 MB. Free memory was 143.3 MB in the beginning and 83.6 MB in the end (delta: 59.7 MB). Peak memory consumption was 59.4 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:19,945 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory was 161.5 MB in the beginning and 161.4 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:46:19,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.61 ms. Allocated memory is still 195.0 MB. Free memory was 143.2 MB in the beginning and 154.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:19,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.63 ms. Allocated memory is still 195.0 MB. Free memory was 154.9 MB in the beginning and 152.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:19,946 INFO L168 Benchmark]: Boogie Preprocessor took 28.02 ms. Allocated memory is still 195.0 MB. Free memory was 152.3 MB in the beginning and 151.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:19,946 INFO L168 Benchmark]: RCFGBuilder took 287.69 ms. Allocated memory is still 195.0 MB. Free memory was 151.2 MB in the beginning and 138.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:19,947 INFO L168 Benchmark]: TraceAbstraction took 597.89 ms. Allocated memory is still 195.0 MB. Free memory was 138.1 MB in the beginning and 83.6 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:19,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 195.0 MB. Free memory was 161.5 MB in the beginning and 161.4 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 415.61 ms. Allocated memory is still 195.0 MB. Free memory was 143.2 MB in the beginning and 154.9 MB in the end (delta: -11.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.63 ms. Allocated memory is still 195.0 MB. Free memory was 154.9 MB in the beginning and 152.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.02 ms. Allocated memory is still 195.0 MB. Free memory was 152.3 MB in the beginning and 151.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 287.69 ms. Allocated memory is still 195.0 MB. Free memory was 151.2 MB in the beginning and 138.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 597.89 ms. Allocated memory is still 195.0 MB. Free memory was 138.1 MB in the beginning and 83.6 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 916]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 94 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 523.5ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 8.2ms, AutomataDifference: 92.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 313 SDtfs, 38 SDslu, 247 SDs, 0 SdLazy, 30 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 48.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.4ms SsaConstructionTime, 39.5ms SatisfiabilityAnalysisTime, 172.9ms InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 163 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 22:46:19,984 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...