/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 21:36:23,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 21:36:23,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 21:36:24,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 21:36:24,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 21:36:24,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 21:36:24,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 21:36:24,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 21:36:24,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 21:36:24,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 21:36:24,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 21:36:24,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 21:36:24,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 21:36:24,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 21:36:24,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 21:36:24,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 21:36:24,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-18 21:36:24,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 21:36:24,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 21:36:24,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 21:36:24,053 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-POR-NewStatesSleep-NoLbe.epf [2022-02-18 21:36:24,085 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 21:36:24,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 21:36:24,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 21:36:24,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 21:36:24,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 21:36:24,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 21:36:24,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 21:36:24,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 21:36:24,088 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 21:36:24,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 21:36:24,089 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 21:36:24,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 21:36:24,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 21:36:24,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 21:36:24,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 21:36:24,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 21:36:24,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 21:36:24,090 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 21:36:24,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 21:36:24,090 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 21:36:24,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 21:36:24,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 21:36:24,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 21:36:24,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 21:36:24,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 21:36:24,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:36:24,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 21:36:24,092 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 21:36:24,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 21:36:24,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 21:36:24,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 21:36:24,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 21:36:24,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 21:36:24,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 21:36:24,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 21:36:24,094 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 21:36:24,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 21:36:24,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 21:36:24,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 21:36:24,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 21:36:24,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 21:36:24,345 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 21:36:24,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-02-18 21:36:24,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6615de1/ac0998c079fd44feb5649c2cef5bd7fe/FLAG19f4596de [2022-02-18 21:36:24,871 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 21:36:24,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-02-18 21:36:24,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6615de1/ac0998c079fd44feb5649c2cef5bd7fe/FLAG19f4596de [2022-02-18 21:36:25,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6615de1/ac0998c079fd44feb5649c2cef5bd7fe [2022-02-18 21:36:25,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 21:36:25,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 21:36:25,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 21:36:25,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 21:36:25,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 21:36:25,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2137b902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25, skipping insertion in model container [2022-02-18 21:36:25,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 21:36:25,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 21:36:25,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:36:25,593 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 21:36:25,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:36:25,665 INFO L208 MainTranslator]: Completed translation [2022-02-18 21:36:25,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25 WrapperNode [2022-02-18 21:36:25,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 21:36:25,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 21:36:25,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 21:36:25,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 21:36:25,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,727 INFO L137 Inliner]: procedures = 263, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2022-02-18 21:36:25,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 21:36:25,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 21:36:25,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 21:36:25,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 21:36:25,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 21:36:25,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 21:36:25,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 21:36:25,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 21:36:25,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (1/1) ... [2022-02-18 21:36:25,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:36:25,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:25,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 21:36:25,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 21:36:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-02-18 21:36:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-02-18 21:36:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 21:36:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 21:36:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 21:36:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 21:36:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-18 21:36:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 21:36:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 21:36:25,845 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 21:36:25,975 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 21:36:25,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 21:36:26,132 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 21:36:26,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 21:36:26,139 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-18 21:36:26,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:36:26 BoogieIcfgContainer [2022-02-18 21:36:26,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 21:36:26,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 21:36:26,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 21:36:26,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 21:36:26,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 09:36:25" (1/3) ... [2022-02-18 21:36:26,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15362ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:36:26, skipping insertion in model container [2022-02-18 21:36:26,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:25" (2/3) ... [2022-02-18 21:36:26,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15362ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:36:26, skipping insertion in model container [2022-02-18 21:36:26,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:36:26" (3/3) ... [2022-02-18 21:36:26,148 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_44-malloc_sound.i [2022-02-18 21:36:26,151 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 21:36:26,152 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 21:36:26,152 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-02-18 21:36:26,152 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 21:36:26,190 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,190 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,190 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,191 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,191 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,191 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,191 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,191 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,191 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,192 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,192 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,192 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,192 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,192 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,193 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,193 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,193 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,193 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,193 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,194 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,194 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,194 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,194 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,194 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,194 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,195 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,195 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,195 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,195 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,195 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,195 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,196 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,201 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,201 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,201 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,201 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,201 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,201 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,201 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:26,203 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 21:36:26,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 21:36:26,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:26,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-18 21:36:26,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-18 21:36:26,269 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 21:36:26,274 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 21:36:26,274 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-02-18 21:36:26,328 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:26,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:26,338 INFO L85 PathProgramCache]: Analyzing trace with hash -510509479, now seen corresponding path program 1 times [2022-02-18 21:36:26,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:26,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644929971] [2022-02-18 21:36:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:26,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:26,546 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:26,546 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644929971] [2022-02-18 21:36:26,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644929971] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:26,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:26,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:36:26,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145389818] [2022-02-18 21:36:26,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:26,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 21:36:26,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:26,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 21:36:26,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 21:36:26,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:26,582 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:26,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 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) [2022-02-18 21:36:26,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:26,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 21:36:26,598 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:26,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:26,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1987506458, now seen corresponding path program 1 times [2022-02-18 21:36:26,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:26,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751390344] [2022-02-18 21:36:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:26,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:26,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:26,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751390344] [2022-02-18 21:36:26,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751390344] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:26,685 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:26,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 21:36:26,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949987320] [2022-02-18 21:36:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:26,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:26,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:26,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:26,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:36:26,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:26,692 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:26,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) 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) [2022-02-18 21:36:26,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:26,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:26,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 21:36:26,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:26,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:26,738 INFO L85 PathProgramCache]: Analyzing trace with hash 2038686019, now seen corresponding path program 1 times [2022-02-18 21:36:26,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:26,739 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601356037] [2022-02-18 21:36:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:26,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:26,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:26,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601356037] [2022-02-18 21:36:26,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601356037] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:26,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368187738] [2022-02-18 21:36:26,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:26,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:26,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:26,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:26,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 21:36:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:26,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:26,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 21:36:27,062 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:27,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368187738] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:27,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:27,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:27,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351937903] [2022-02-18 21:36:27,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:27,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:27,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:27,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:27,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,064 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:27,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:27,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-18 21:36:27,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-18 21:36:27,304 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1859173889, now seen corresponding path program 1 times [2022-02-18 21:36:27,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:27,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796235217] [2022-02-18 21:36:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:27,372 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:27,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796235217] [2022-02-18 21:36:27,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796235217] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:27,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747572327] [2022-02-18 21:36:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:27,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:27,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:27,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 21:36:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:27,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:27,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 21:36:27,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:27,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747572327] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:27,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:27,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:27,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974062809] [2022-02-18 21:36:27,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:27,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:27,552 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:27,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:27,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,553 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:27,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:27,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:27,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:27,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:27,809 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:27,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:27,809 INFO L85 PathProgramCache]: Analyzing trace with hash -55772877, now seen corresponding path program 1 times [2022-02-18 21:36:27,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:27,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342643313] [2022-02-18 21:36:27,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:27,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:27,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:27,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342643313] [2022-02-18 21:36:27,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342643313] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:27,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594912686] [2022-02-18 21:36:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:27,865 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:27,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 21:36:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:27,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:27,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 21:36:28,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:28,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594912686] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:28,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:28,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:28,019 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656655888] [2022-02-18 21:36:28,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:28,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:28,019 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:28,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:28,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:28,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:28,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:28,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:28,264 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:28,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:28,264 INFO L85 PathProgramCache]: Analyzing trace with hash 307642162, now seen corresponding path program 1 times [2022-02-18 21:36:28,264 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:28,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853486573] [2022-02-18 21:36:28,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:28,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:28,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:28,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853486573] [2022-02-18 21:36:28,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853486573] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:28,345 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257483810] [2022-02-18 21:36:28,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:28,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:28,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:28,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:28,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 21:36:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:28,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:28,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 21:36:28,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:28,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257483810] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:28,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:28,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:28,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984179260] [2022-02-18 21:36:28,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:28,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:28,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:28,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:28,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,548 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:28,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:28,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-18 21:36:28,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:28,800 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:28,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:28,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1917912757, now seen corresponding path program 1 times [2022-02-18 21:36:28,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:28,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641012445] [2022-02-18 21:36:28,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:28,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:28,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:28,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641012445] [2022-02-18 21:36:28,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641012445] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:28,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078211665] [2022-02-18 21:36:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:28,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:28,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:28,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:28,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 21:36:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:28,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:28,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 21:36:29,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:29,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078211665] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:29,035 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:29,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:29,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607735863] [2022-02-18 21:36:29,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:29,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:29,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:29,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:29,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:29,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:29,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:29,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:29,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:29,328 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:29,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:29,328 INFO L85 PathProgramCache]: Analyzing trace with hash 20040383, now seen corresponding path program 1 times [2022-02-18 21:36:29,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:29,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549234490] [2022-02-18 21:36:29,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:29,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:29,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:29,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549234490] [2022-02-18 21:36:29,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549234490] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:29,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527614373] [2022-02-18 21:36:29,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:29,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:29,368 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:29,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 21:36:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:29,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 21:36:29,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:29,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 21:36:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:29,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527614373] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 21:36:29,638 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 21:36:29,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 21:36:29,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939278960] [2022-02-18 21:36:29,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 21:36:29,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 21:36:29,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:29,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 21:36:29,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 21:36:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,640 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:29,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 21:36:29,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:29,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:29,935 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:29,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:29,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2060887073, now seen corresponding path program 1 times [2022-02-18 21:36:29,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:29,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146226055] [2022-02-18 21:36:29,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-18 21:36:29,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:29,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146226055] [2022-02-18 21:36:29,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146226055] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:29,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:29,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:36:29,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751406171] [2022-02-18 21:36:29,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:29,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:29,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:29,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:29,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:36:29,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,964 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:29,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 21:36:29,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 21:36:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:29,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 21:36:29,977 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:29,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:29,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1969248906, now seen corresponding path program 1 times [2022-02-18 21:36:29,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:29,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116496755] [2022-02-18 21:36:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-18 21:36:30,046 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:30,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116496755] [2022-02-18 21:36:30,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116496755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:30,047 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:30,047 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 21:36:30,047 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374865603] [2022-02-18 21:36:30,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:30,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:30,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:30,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:30,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:36:30,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,048 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:30,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:30,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 21:36:30,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 21:36:30,075 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:30,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:30,075 INFO L85 PathProgramCache]: Analyzing trace with hash 502526479, now seen corresponding path program 1 times [2022-02-18 21:36:30,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:30,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841279935] [2022-02-18 21:36:30,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:30,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-18 21:36:30,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:30,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841279935] [2022-02-18 21:36:30,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841279935] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:30,102 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:30,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:36:30,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610221342] [2022-02-18 21:36:30,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:30,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:30,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:30,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:30,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:36:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:30,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 21:36:30,124 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:30,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash -511001491, now seen corresponding path program 2 times [2022-02-18 21:36:30,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:30,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620823558] [2022-02-18 21:36:30,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-18 21:36:30,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:30,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620823558] [2022-02-18 21:36:30,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620823558] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:30,211 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:30,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 21:36:30,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745207524] [2022-02-18 21:36:30,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:30,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 21:36:30,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:30,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 21:36:30,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-18 21:36:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,212 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:30,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 21:36:30,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-18 21:36:30,237 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:30,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1218548343, now seen corresponding path program 1 times [2022-02-18 21:36:30,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:30,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652649974] [2022-02-18 21:36:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:30,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-18 21:36:30,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:30,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652649974] [2022-02-18 21:36:30,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652649974] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:30,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925823160] [2022-02-18 21:36:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:30,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:30,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:30,296 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:30,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 21:36:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:30,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-18 21:36:30,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:30,525 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-18 21:36:30,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 21:36:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-18 21:36:30,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925823160] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 21:36:30,654 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 21:36:30,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-02-18 21:36:30,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379557515] [2022-02-18 21:36:30,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 21:36:30,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 21:36:30,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:30,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 21:36:30,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-18 21:36:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,656 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:30,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 21:36:30,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:30,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:30,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-18 21:36:30,972 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:30,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:30,972 INFO L85 PathProgramCache]: Analyzing trace with hash 668534002, now seen corresponding path program 2 times [2022-02-18 21:36:30,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:30,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686422492] [2022-02-18 21:36:30,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:30,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-18 21:36:31,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:31,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686422492] [2022-02-18 21:36:31,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686422492] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:31,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756345968] [2022-02-18 21:36:31,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 21:36:31,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:31,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:31,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:31,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-18 21:36:31,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 21:36:31,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 21:36:31,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-18 21:36:31,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-18 21:36:31,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 21:36:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-18 21:36:31,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756345968] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 21:36:31,417 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 21:36:31,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-02-18 21:36:31,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459749986] [2022-02-18 21:36:31,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 21:36:31,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 21:36:31,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:31,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 21:36:31,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-02-18 21:36:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:31,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:31,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:31,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 21:36:31,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:31,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-18 21:36:31,775 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:31,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:31,776 INFO L85 PathProgramCache]: Analyzing trace with hash -20906217, now seen corresponding path program 3 times [2022-02-18 21:36:31,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:31,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629135682] [2022-02-18 21:36:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:31,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 160 proven. 80 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-18 21:36:31,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:31,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629135682] [2022-02-18 21:36:31,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629135682] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:31,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062368376] [2022-02-18 21:36:31,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 21:36:31,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:31,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:31,909 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 21:36:31,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-18 21:36:32,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-18 21:36:32,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 21:36:32,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-18 21:36:32,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 135 proven. 18 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-02-18 21:36:32,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 21:36:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 135 proven. 18 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-02-18 21:36:32,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062368376] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 21:36:32,469 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 21:36:32,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 20 [2022-02-18 21:36:32,471 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20809845] [2022-02-18 21:36:32,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 21:36:32,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-18 21:36:32,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:32,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-18 21:36:32,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-02-18 21:36:32,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:32,475 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:32,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.35) internal successors, (127), 20 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:32,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:32,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 21:36:32,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 21:36:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 21:36:32,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:33,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-18 21:36:33,005 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-18 21:36:33,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:33,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1852366523, now seen corresponding path program 1 times [2022-02-18 21:36:33,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:33,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899375965] [2022-02-18 21:36:33,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:33,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:36:33,067 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 21:36:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:36:33,133 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 21:36:33,133 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 21:36:33,134 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-02-18 21:36:33,135 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-02-18 21:36:33,136 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-02-18 21:36:33,136 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-02-18 21:36:33,136 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-02-18 21:36:33,136 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-02-18 21:36:33,136 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-02-18 21:36:33,136 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-02-18 21:36:33,137 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 12 remaining) [2022-02-18 21:36:33,137 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-02-18 21:36:33,137 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-02-18 21:36:33,137 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-02-18 21:36:33,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-18 21:36:33,144 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 21:36:33,149 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 21:36:33,149 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 21:36:33,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 09:36:33 BasicIcfg [2022-02-18 21:36:33,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 21:36:33,233 INFO L158 Benchmark]: Toolchain (without parser) took 8055.64ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 148.8MB in the beginning and 94.3MB in the end (delta: 54.5MB). Peak memory consumption was 95.1MB. Max. memory is 8.0GB. [2022-02-18 21:36:33,233 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 166.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 21:36:33,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.41ms. Allocated memory is still 198.2MB. Free memory was 148.6MB in the beginning and 161.1MB in the end (delta: -12.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-18 21:36:33,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.79ms. Allocated memory is still 198.2MB. Free memory was 161.1MB in the beginning and 159.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 21:36:33,234 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 198.2MB. Free memory was 159.0MB in the beginning and 157.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 21:36:33,234 INFO L158 Benchmark]: RCFGBuilder took 381.04ms. Allocated memory is still 198.2MB. Free memory was 157.5MB in the beginning and 144.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-18 21:36:33,234 INFO L158 Benchmark]: TraceAbstraction took 7090.62ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 144.5MB in the beginning and 94.3MB in the end (delta: 50.1MB). Peak memory consumption was 90.9MB. Max. memory is 8.0GB. [2022-02-18 21:36:33,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 166.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 486.41ms. Allocated memory is still 198.2MB. Free memory was 148.6MB in the beginning and 161.1MB in the end (delta: -12.5MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.79ms. Allocated memory is still 198.2MB. Free memory was 161.1MB in the beginning and 159.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 198.2MB. Free memory was 159.0MB in the beginning and 157.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 381.04ms. Allocated memory is still 198.2MB. Free memory was 157.5MB in the beginning and 144.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 7090.62ms. Allocated memory was 198.2MB in the beginning and 238.0MB in the end (delta: 39.8MB). Free memory was 144.5MB in the beginning and 94.3MB in the end (delta: 50.1MB). Peak memory consumption was 90.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 933, positive: 558, positive conditional: 558, positive unconditional: 0, negative: 375, negative conditional: 375, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 566, positive: 558, positive conditional: 558, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 566, positive: 558, positive conditional: 558, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 585, positive: 558, positive conditional: 478, positive unconditional: 80, negative: 27, negative conditional: 19, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 585, positive: 558, positive conditional: 168, positive unconditional: 390, negative: 27, negative conditional: 7, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 585, positive: 558, positive conditional: 168, positive unconditional: 390, negative: 27, negative conditional: 7, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, positive: 327, positive conditional: 108, positive unconditional: 219, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 23, negative conditional: 3, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 585, positive: 231, positive conditional: 60, positive unconditional: 171, negative: 21, negative conditional: 5, negative unconditional: 16, unknown: 333, unknown conditional: 110, unknown unconditional: 223] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 327, Positive conditional cache size: 108, Positive unconditional cache size: 219, Negative cache size: 6, Negative conditional cache size: 2, Negative unconditional cache size: 4, Eliminated conditions: 322, Maximal queried relation: 3, Independence queries for same thread: 367 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1009]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t *p, *q; VAL [glob=0, p={0:0}, q={0:0}] [L996] 0 pthread_t t1, t2; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L997] 0 int i; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L998] 0 pthread_mutex_t *a; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i=0 VAL [glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-2:0}, glob=0, i=0, malloc(sizeof(pthread_mutex_t))={-2:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-3:0}, glob=0, i=1, malloc(sizeof(pthread_mutex_t))={-3:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-4:0}, glob=0, i=2, malloc(sizeof(pthread_mutex_t))={-4:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-5:0}, glob=0, i=3, malloc(sizeof(pthread_mutex_t))={-5:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND TRUE 0 i==3 VAL [a={-5:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L1003] 0 p = a VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-6:0}, glob=0, i=4, malloc(sizeof(pthread_mutex_t))={-6:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-7:0}, glob=0, i=5, malloc(sizeof(pthread_mutex_t))={-7:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-8:0}, glob=0, i=6, malloc(sizeof(pthread_mutex_t))={-8:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-9:0}, glob=0, i=7, malloc(sizeof(pthread_mutex_t))={-9:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND TRUE 0 i==7 VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1005] 0 q = a VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-10:0}, glob=0, i=8, malloc(sizeof(pthread_mutex_t))={-10:0}, p={-5:0}, q={-9:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-11:0}, glob=0, i=9, malloc(sizeof(pthread_mutex_t))={-11:0}, p={-5:0}, q={-9:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND FALSE 0 !(i < 10) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}] [L1007] FCALL, FORK 0 pthread_create(&t1, 0, f, 0) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, pthread_create(&t1, 0, f, 0)=-1, q={-9:0}, t1={2:0}, x={0:0}] [L1009] 0 glob++ VAL [a={-11:0}, glob=1, glob++=25, glob++=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}, x={0:0}] [L991] 1 glob++ VAL [glob=1, p={-5:0}, q={-9:0}, x={0:0}, x={0:0}] [L1009] 0 glob++ VAL [a={-11:0}, glob=1, glob++=25, glob++=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}, x={0:0}, x={0:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [1009] - 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: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 992]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1003]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1009]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1005]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1007]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1599 NumberOfCodeBlocks, 1544 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1764 ConstructedInterpolants, 0 QuantifiedInterpolants, 2858 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1428 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 28 InterpolantComputations, 11 PerfectInterpolantSequences, 1282/1487 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-18 21:36:33,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:33,572 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...