/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/03-practical_08-nonterm1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:45:49,634 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:45:49,734 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 22:45:49,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:45:49,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:45:49,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:45:49,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:45:49,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:45:49,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:45:49,755 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:45:49,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:45:49,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:45:49,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:45:49,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:45:49,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:45:49,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:45:49,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:45:49,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:45:49,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:45:49,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:45:49,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:45:49,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:45:49,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:45:49,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:45:49,758 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:45:49,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:45:49,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:45:49,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:45:49,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:45:49,951 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:45:49,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2021-10-16 22:45:50,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b817dd40/5e96370abacd403e84bc10c951032bd5/FLAG0b239c9ad [2021-10-16 22:45:50,435 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:45:50,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2021-10-16 22:45:50,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b817dd40/5e96370abacd403e84bc10c951032bd5/FLAG0b239c9ad [2021-10-16 22:45:50,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b817dd40/5e96370abacd403e84bc10c951032bd5 [2021-10-16 22:45:50,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:45:50,477 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:45:50,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:45:50,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:45:50,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:45:50,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3094b5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50, skipping insertion in model container [2021-10-16 22:45:50,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:45:50,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:45:50,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:45:50,830 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:45:50,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:45:50,909 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:45:50,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50 WrapperNode [2021-10-16 22:45:50,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:45:50,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:45:50,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:45:50,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:45:50,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:45:50,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:45:50,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:45:50,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:45:50,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:50,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:45:50,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:45:50,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:45:50,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:45:50,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (1/1) ... [2021-10-16 22:45:51,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:45:51,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:45:51,024 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 22:45:51,033 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 22:45:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:45:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:45:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:45:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:45:51,054 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:45:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:45:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:45:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:45:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:45:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:45:51,056 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 22:45:51,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:45:51,289 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 22:45:51,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:45:51 BoogieIcfgContainer [2021-10-16 22:45:51,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:45:51,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:45:51,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:45:51,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:45:51,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:45:50" (1/3) ... [2021-10-16 22:45:51,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dd0fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:45:51, skipping insertion in model container [2021-10-16 22:45:51,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:50" (2/3) ... [2021-10-16 22:45:51,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dd0fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:45:51, skipping insertion in model container [2021-10-16 22:45:51,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:45:51" (3/3) ... [2021-10-16 22:45:51,297 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i [2021-10-16 22:45:51,301 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:45:51,301 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:45:51,301 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 22:45:51,301 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:45:51,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,335 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,342 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,342 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,343 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,343 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_fun_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:51,352 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 22:45:51,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:45:51,385 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 22:45:51,386 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-16 22:45:51,404 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 94 transitions, 196 flow [2021-10-16 22:45:51,451 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 680 states, 675 states have (on average 1.9274074074074075) internal successors, (1301), 679 states have internal predecessors, (1301), 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 22:45:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 680 states, 675 states have (on average 1.9274074074074075) internal successors, (1301), 679 states have internal predecessors, (1301), 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 22:45:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-16 22:45:51,463 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:51,464 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] [2021-10-16 22:45:51,465 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:45:51,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:51,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1812725437, now seen corresponding path program 1 times [2021-10-16 22:45:51,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:51,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36473229] [2021-10-16 22:45:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:51,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:51,685 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 22:45:51,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:51,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36473229] [2021-10-16 22:45:51,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36473229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:51,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:51,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:45:51,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373695597] [2021-10-16 22:45:51,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:45:51,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:51,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:45:51,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:51,704 INFO L87 Difference]: Start difference. First operand has 680 states, 675 states have (on average 1.9274074074074075) internal successors, (1301), 679 states have internal predecessors, (1301), 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 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 22:45:51,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:51,768 INFO L93 Difference]: Finished difference Result 686 states and 1302 transitions. [2021-10-16 22:45:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:45:51,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-10-16 22:45:51,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:51,784 INFO L225 Difference]: With dead ends: 686 [2021-10-16 22:45:51,784 INFO L226 Difference]: Without dead ends: 686 [2021-10-16 22:45:51,785 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:51,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-10-16 22:45:51,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 656. [2021-10-16 22:45:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 652 states have (on average 1.9079754601226995) internal successors, (1244), 655 states have internal predecessors, (1244), 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 22:45:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1244 transitions. [2021-10-16 22:45:51,851 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1244 transitions. Word has length 33 [2021-10-16 22:45:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:51,852 INFO L470 AbstractCegarLoop]: Abstraction has 656 states and 1244 transitions. [2021-10-16 22:45:51,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 22:45:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1244 transitions. [2021-10-16 22:45:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 22:45:51,853 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:51,853 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 22:45:51,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:45:51,853 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:45:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:51,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1478804518, now seen corresponding path program 1 times [2021-10-16 22:45:51,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:51,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696648988] [2021-10-16 22:45:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:51,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:51,907 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 22:45:51,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:51,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696648988] [2021-10-16 22:45:51,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696648988] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:51,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:51,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:45:51,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87454008] [2021-10-16 22:45:51,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:45:51,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:51,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:45:51,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:51,911 INFO L87 Difference]: Start difference. First operand 656 states and 1244 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 22:45:51,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:51,947 INFO L93 Difference]: Finished difference Result 715 states and 1353 transitions. [2021-10-16 22:45:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:45:51,947 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 22:45:51,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:51,953 INFO L225 Difference]: With dead ends: 715 [2021-10-16 22:45:51,953 INFO L226 Difference]: Without dead ends: 645 [2021-10-16 22:45:51,953 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:51,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2021-10-16 22:45:51,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 605. [2021-10-16 22:45:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 602 states have (on average 1.8803986710963456) internal successors, (1132), 604 states have internal predecessors, (1132), 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 22:45:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1132 transitions. [2021-10-16 22:45:51,986 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1132 transitions. Word has length 34 [2021-10-16 22:45:51,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:51,986 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 1132 transitions. [2021-10-16 22:45:51,986 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 22:45:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1132 transitions. [2021-10-16 22:45:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-16 22:45:51,987 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:51,987 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] [2021-10-16 22:45:51,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:45:51,988 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:45:51,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:51,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1621710175, now seen corresponding path program 1 times [2021-10-16 22:45:51,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:51,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831142906] [2021-10-16 22:45:51,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:51,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:52,045 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 22:45:52,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:52,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831142906] [2021-10-16 22:45:52,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831142906] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:52,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:52,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:45:52,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739316601] [2021-10-16 22:45:52,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:45:52,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:52,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:45:52,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:52,048 INFO L87 Difference]: Start difference. First operand 605 states and 1132 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 22:45:52,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:52,069 INFO L93 Difference]: Finished difference Result 448 states and 800 transitions. [2021-10-16 22:45:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:45:52,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-10-16 22:45:52,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:52,071 INFO L225 Difference]: With dead ends: 448 [2021-10-16 22:45:52,072 INFO L226 Difference]: Without dead ends: 448 [2021-10-16 22:45:52,072 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 22:45:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-10-16 22:45:52,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2021-10-16 22:45:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 446 states have (on average 1.7937219730941705) internal successors, (800), 447 states have internal predecessors, (800), 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 22:45:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 800 transitions. [2021-10-16 22:45:52,081 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 800 transitions. Word has length 39 [2021-10-16 22:45:52,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:52,081 INFO L470 AbstractCegarLoop]: Abstraction has 448 states and 800 transitions. [2021-10-16 22:45:52,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 22:45:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 800 transitions. [2021-10-16 22:45:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-16 22:45:52,090 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:52,090 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] [2021-10-16 22:45:52,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:45:52,094 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:45:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:52,095 INFO L82 PathProgramCache]: Analyzing trace with hash 420700696, now seen corresponding path program 1 times [2021-10-16 22:45:52,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:52,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579006240] [2021-10-16 22:45:52,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:52,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:52,145 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 22:45:52,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:52,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579006240] [2021-10-16 22:45:52,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579006240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:52,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:52,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:45:52,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902682306] [2021-10-16 22:45:52,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:45:52,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:52,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:45:52,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:52,147 INFO L87 Difference]: Start difference. First operand 448 states and 800 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:45:52,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:52,172 INFO L93 Difference]: Finished difference Result 453 states and 796 transitions. [2021-10-16 22:45:52,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:45:52,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-10-16 22:45:52,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:52,174 INFO L225 Difference]: With dead ends: 453 [2021-10-16 22:45:52,174 INFO L226 Difference]: Without dead ends: 229 [2021-10-16 22:45:52,175 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-10-16 22:45:52,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-10-16 22:45:52,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 228 states have (on average 1.644736842105263) internal successors, (375), 228 states have internal predecessors, (375), 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 22:45:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 375 transitions. [2021-10-16 22:45:52,180 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 375 transitions. Word has length 48 [2021-10-16 22:45:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:52,181 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 375 transitions. [2021-10-16 22:45:52,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:45:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 375 transitions. [2021-10-16 22:45:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-16 22:45:52,181 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:52,182 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, 1, 1, 1, 1, 1] [2021-10-16 22:45:52,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:45:52,182 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-16 22:45:52,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:52,183 INFO L82 PathProgramCache]: Analyzing trace with hash -952130126, now seen corresponding path program 1 times [2021-10-16 22:45:52,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:52,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430646326] [2021-10-16 22:45:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:52,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:45:52,228 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 22:45:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:45:52,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 22:45:52,280 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 22:45:52,282 WARN L672 BasicCegarLoop]: Found data race on ~myglobal~0 between C: myglobal+1 [932] and C: myglobal=myglobal+1 [917] [2021-10-16 22:45:52,283 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:52,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:52,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:45:52,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:52,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:52,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:52,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:45:52,289 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:45:52,290 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:45:52,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:45:52 BasicIcfg [2021-10-16 22:45:52,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:45:52,334 INFO L168 Benchmark]: Toolchain (without parser) took 1856.34 ms. Allocated memory was 197.1 MB in the beginning and 251.7 MB in the end (delta: 54.5 MB). Free memory was 144.2 MB in the beginning and 207.1 MB in the end (delta: -62.9 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:45:52,334 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 197.1 MB. Free memory was 162.6 MB in the beginning and 162.5 MB in the end (delta: 101.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:45:52,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.54 ms. Allocated memory is still 197.1 MB. Free memory was 144.1 MB in the beginning and 155.7 MB in the end (delta: -11.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:52,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 197.1 MB. Free memory was 155.7 MB in the beginning and 153.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:52,335 INFO L168 Benchmark]: Boogie Preprocessor took 28.61 ms. Allocated memory is still 197.1 MB. Free memory was 153.1 MB in the beginning and 152.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:52,336 INFO L168 Benchmark]: RCFGBuilder took 299.10 ms. Allocated memory is still 197.1 MB. Free memory was 152.0 MB in the beginning and 138.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:52,336 INFO L168 Benchmark]: TraceAbstraction took 1039.65 ms. Allocated memory was 197.1 MB in the beginning and 251.7 MB in the end (delta: 54.5 MB). Free memory was 138.4 MB in the beginning and 207.1 MB in the end (delta: -68.7 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:45:52,338 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 197.1 MB. Free memory was 162.6 MB in the beginning and 162.5 MB in the end (delta: 101.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 431.54 ms. Allocated memory is still 197.1 MB. Free memory was 144.1 MB in the beginning and 155.7 MB in the end (delta: -11.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.85 ms. Allocated memory is still 197.1 MB. Free memory was 155.7 MB in the beginning and 153.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.61 ms. Allocated memory is still 197.1 MB. Free memory was 153.1 MB in the beginning and 152.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 299.10 ms. Allocated memory is still 197.1 MB. Free memory was 152.0 MB in the beginning and 138.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1039.65 ms. Allocated memory was 197.1 MB in the beginning and 251.7 MB in the end (delta: 54.5 MB). Free memory was 138.4 MB in the beginning and 207.1 MB in the end (delta: -68.7 MB). There was no memory consumed. 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: 917]: the program contains a data race the program contains a data race We found a FailurePath: [L911] 0 int myglobal; VAL [myglobal=0] [L912] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={5:0}, myglobal=0] [L913] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={5:0}, mutex2={6:0}, myglobal=0] [L929] 0 pthread_t id; VAL [mutex1={5:0}, mutex2={6:0}, myglobal=0] [L930] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [mutex1={5:0}, mutex2={6:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [mutex1={5:0}, mutex2={6:0}, myglobal=1] [L915] 1 int i = __VERIFIER_nondet_int(); VAL [mutex1={5:0}, mutex2={6:0}, myglobal=1] [L917] 1 myglobal=myglobal+1 VAL [mutex1={5:0}, mutex2={6:0}, myglobal=2] [L917] 1 myglobal=myglobal+1 VAL [mutex1={5:0}, mutex2={6:0}, myglobal=2] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 130 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 909.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 21.8ms, AutomataDifference: 189.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 65.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 385 SDtfs, 106 SDslu, 227 SDs, 0 SdLazy, 72 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=680occurred 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: 102.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 70 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.4ms SsaConstructionTime, 123.0ms SatisfiabilityAnalysisTime, 180.4ms InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 22:45:52,373 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...