/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/00-sanity_09-include.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:23:27,603 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:23:27,693 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 [2021-10-19 14:23:27,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:23:27,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:23:27,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:23:27,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:23:27,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:23:27,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:23:27,717 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:23:27,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:23:27,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:23:27,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:23:27,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:23:27,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:23:27,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:23:27,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:27,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:23:27,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:23:27,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:23:27,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:23:27,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:23:27,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:23:27,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:23:27,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:23:27,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:23:27,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:23:27,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:23:27,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:23:27,902 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:23:27,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2021-10-19 14:23:27,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4287416/75e33adeccbe4719aa71d5f2bd568430/FLAG26bb68d96 [2021-10-19 14:23:28,380 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:23:28,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/00-sanity_09-include.i [2021-10-19 14:23:28,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4287416/75e33adeccbe4719aa71d5f2bd568430/FLAG26bb68d96 [2021-10-19 14:23:28,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4287416/75e33adeccbe4719aa71d5f2bd568430 [2021-10-19 14:23:28,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:23:28,414 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:23:28,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:28,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:23:28,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:23:28,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f86dcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28, skipping insertion in model container [2021-10-19 14:23:28,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:23:28,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:23:28,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:28,777 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:23:28,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:23:28,837 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:23:28,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28 WrapperNode [2021-10-19 14:23:28,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:23:28,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:28,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:23:28,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:23:28,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:23:28,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:23:28,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:23:28,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:23:28,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:23:28,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:23:28,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:23:28,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:23:28,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (1/1) ... [2021-10-19 14:23:28,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:23:28,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:23:28,960 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) [2021-10-19 14:23:28,963 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 [2021-10-19 14:23:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:23:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:23:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:23:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:23:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:23:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:23:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:23:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:23:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:23:29,009 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:23:29,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:23:29,175 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-19 14:23:29,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:29 BoogieIcfgContainer [2021-10-19 14:23:29,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:23:29,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:23:29,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:23:29,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:23:29,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:23:28" (1/3) ... [2021-10-19 14:23:29,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fd4c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:29, skipping insertion in model container [2021-10-19 14:23:29,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:23:28" (2/3) ... [2021-10-19 14:23:29,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36fd4c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:23:29, skipping insertion in model container [2021-10-19 14:23:29,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:23:29" (3/3) ... [2021-10-19 14:23:29,191 INFO L111 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2021-10-19 14:23:29,195 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:23:29,195 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:23:29,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-19 14:23:29,195 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:23:29,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,242 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,243 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,243 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,244 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,245 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,246 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,249 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,249 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,249 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,249 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,249 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,250 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,250 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:23:29,252 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:23:29,313 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:23:29,318 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 [2021-10-19 14:23:29,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-19 14:23:29,325 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 53 transitions, 111 flow [2021-10-19 14:23:29,381 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 311 states, 303 states have (on average 1.8745874587458746) internal successors, (568), 310 states have internal predecessors, (568), 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) [2021-10-19 14:23:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 303 states have (on average 1.8745874587458746) internal successors, (568), 310 states have internal predecessors, (568), 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) [2021-10-19 14:23:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-19 14:23:29,393 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:29,393 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] [2021-10-19 14:23:29,394 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:23:29,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:29,401 INFO L82 PathProgramCache]: Analyzing trace with hash 888318975, now seen corresponding path program 1 times [2021-10-19 14:23:29,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:29,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40250947] [2021-10-19 14:23:29,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:29,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:29,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:29,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40250947] [2021-10-19 14:23:29,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40250947] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:29,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:29,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:29,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035101359] [2021-10-19 14:23:29,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:29,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:29,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:29,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:29,608 INFO L87 Difference]: Start difference. First operand has 311 states, 303 states have (on average 1.8745874587458746) internal successors, (568), 310 states have internal predecessors, (568), 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 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-10-19 14:23:29,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:29,672 INFO L93 Difference]: Finished difference Result 383 states and 702 transitions. [2021-10-19 14:23:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:29,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2021-10-19 14:23:29,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:29,700 INFO L225 Difference]: With dead ends: 383 [2021-10-19 14:23:29,700 INFO L226 Difference]: Without dead ends: 383 [2021-10-19 14:23:29,701 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:29,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-10-19 14:23:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 311. [2021-10-19 14:23:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 304 states have (on average 1.861842105263158) internal successors, (566), 310 states have internal predecessors, (566), 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) [2021-10-19 14:23:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 566 transitions. [2021-10-19 14:23:29,758 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 566 transitions. Word has length 21 [2021-10-19 14:23:29,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:29,759 INFO L470 AbstractCegarLoop]: Abstraction has 311 states and 566 transitions. [2021-10-19 14:23:29,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-10-19 14:23:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 566 transitions. [2021-10-19 14:23:29,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-19 14:23:29,759 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:29,760 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] [2021-10-19 14:23:29,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:23:29,760 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:23:29,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:29,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1738339086, now seen corresponding path program 1 times [2021-10-19 14:23:29,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:29,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386527120] [2021-10-19 14:23:29,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:29,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:29,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:29,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386527120] [2021-10-19 14:23:29,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386527120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:29,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:29,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:29,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488922443] [2021-10-19 14:23:29,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:29,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:29,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:29,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:29,824 INFO L87 Difference]: Start difference. First operand 311 states and 566 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-10-19 14:23:29,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:29,868 INFO L93 Difference]: Finished difference Result 331 states and 597 transitions. [2021-10-19 14:23:29,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:29,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2021-10-19 14:23:29,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:29,869 INFO L225 Difference]: With dead ends: 331 [2021-10-19 14:23:29,870 INFO L226 Difference]: Without dead ends: 277 [2021-10-19 14:23:29,870 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:29,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-10-19 14:23:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 263. [2021-10-19 14:23:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 257 states have (on average 1.801556420233463) internal successors, (463), 262 states have internal predecessors, (463), 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) [2021-10-19 14:23:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 463 transitions. [2021-10-19 14:23:29,875 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 463 transitions. Word has length 26 [2021-10-19 14:23:29,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:29,876 INFO L470 AbstractCegarLoop]: Abstraction has 263 states and 463 transitions. [2021-10-19 14:23:29,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-10-19 14:23:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 463 transitions. [2021-10-19 14:23:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-19 14:23:29,877 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:29,877 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] [2021-10-19 14:23:29,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:23:29,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:23:29,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:29,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1296550589, now seen corresponding path program 1 times [2021-10-19 14:23:29,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:29,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939671087] [2021-10-19 14:23:29,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:29,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:23:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:23:29,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:23:29,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939671087] [2021-10-19 14:23:29,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939671087] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:23:29,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:23:29,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:23:29,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996807509] [2021-10-19 14:23:29,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:23:29,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:23:29,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:23:29,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:23:29,920 INFO L87 Difference]: Start difference. First operand 263 states and 463 transitions. 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) [2021-10-19 14:23:29,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:23:29,939 INFO L93 Difference]: Finished difference Result 268 states and 460 transitions. [2021-10-19 14:23:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:23:29,939 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 [2021-10-19 14:23:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:23:29,940 INFO L225 Difference]: With dead ends: 268 [2021-10-19 14:23:29,940 INFO L226 Difference]: Without dead ends: 188 [2021-10-19 14:23:29,940 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 [2021-10-19 14:23:29,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-19 14:23:29,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-10-19 14:23:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 184 states have (on average 1.608695652173913) internal successors, (296), 187 states have internal predecessors, (296), 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) [2021-10-19 14:23:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 296 transitions. [2021-10-19 14:23:29,944 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 296 transitions. Word has length 27 [2021-10-19 14:23:29,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:23:29,944 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 296 transitions. [2021-10-19 14:23:29,944 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) [2021-10-19 14:23:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 296 transitions. [2021-10-19 14:23:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-19 14:23:29,945 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:23:29,945 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] [2021-10-19 14:23:29,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:23:29,945 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:23:29,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:23:29,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1904602736, now seen corresponding path program 1 times [2021-10-19 14:23:29,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:23:29,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807746234] [2021-10-19 14:23:29,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:23:29,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:23:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:23:29,960 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-19 14:23:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-19 14:23:29,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-19 14:23:29,984 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-19 14:23:29,985 WARN L672 BasicCegarLoop]: Found data race on ~glob~0 between C: glob++ [991] and C: glob++ [984] [2021-10-19 14:23:29,986 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:29,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:29,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:23:29,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:29,987 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:29,988 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:29,988 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:23:29,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:23:29,993 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:23:29,993 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:23:30,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:23:30 BasicIcfg [2021-10-19 14:23:30,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:23:30,012 INFO L168 Benchmark]: Toolchain (without parser) took 1597.50 ms. Allocated memory was 203.4 MB in the beginning and 361.8 MB in the end (delta: 158.3 MB). Free memory was 150.5 MB in the beginning and 304.4 MB in the end (delta: -153.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:30,013 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 203.4 MB. Free memory was 168.5 MB in the beginning and 168.4 MB in the end (delta: 63.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:23:30,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.41 ms. Allocated memory was 203.4 MB in the beginning and 361.8 MB in the end (delta: 158.3 MB). Free memory was 150.3 MB in the beginning and 321.5 MB in the end (delta: -171.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:30,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.81 ms. Allocated memory is still 361.8 MB. Free memory was 321.5 MB in the beginning and 319.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:30,015 INFO L168 Benchmark]: Boogie Preprocessor took 14.08 ms. Allocated memory is still 361.8 MB. Free memory was 319.5 MB in the beginning and 318.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:30,015 INFO L168 Benchmark]: RCFGBuilder took 268.96 ms. Allocated memory is still 361.8 MB. Free memory was 318.2 MB in the beginning and 307.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:30,016 INFO L168 Benchmark]: TraceAbstraction took 833.85 ms. Allocated memory is still 361.8 MB. Free memory was 307.2 MB in the beginning and 304.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 8.0 GB. [2021-10-19 14:23:30,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 203.4 MB. Free memory was 168.5 MB in the beginning and 168.4 MB in the end (delta: 63.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 422.41 ms. Allocated memory was 203.4 MB in the beginning and 361.8 MB in the end (delta: 158.3 MB). Free memory was 150.3 MB in the beginning and 321.5 MB in the end (delta: -171.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.81 ms. Allocated memory is still 361.8 MB. Free memory was 321.5 MB in the beginning and 319.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.08 ms. Allocated memory is still 361.8 MB. Free memory was 319.5 MB in the beginning and 318.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 268.96 ms. Allocated memory is still 361.8 MB. Free memory was 318.2 MB in the beginning and 307.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 833.85 ms. Allocated memory is still 361.8 MB. Free memory was 307.2 MB in the beginning and 304.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.8 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 - CounterExampleResult [Line: 991]: the program contains a data race the program contains a data race We found a FailurePath: [L980] 0 int glob; VAL [glob=0] [L981] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={3:0}] [L989] 0 pthread_t id; VAL [glob=0, mutex={3:0}] [L990] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, mutex={3:0}] [L991] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={3:0}, pthread_mutex_lock(&mutex)=0] [L984] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={3:0}] [L991] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={3:0}] - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 990]: 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: 984]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 984]: 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, 73 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 695.5ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 13.3ms, AutomataDifference: 177.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 63.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 196 SDtfs, 64 SDslu, 113 SDs, 0 SdLazy, 54 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 56.8ms AutomataMinimizationTime, 3 MinimizatonAttempts, 86 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.9ms SsaConstructionTime, 56.2ms SatisfiabilityAnalysisTime, 140.1ms InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 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 proved your program to be incorrect! [2021-10-19 14:23:30,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...