/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/05-lval_ls_01-idx_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 21:36:36,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 21:36:36,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 21:36:36,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 21:36:36,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 21:36:36,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 21:36:36,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 21:36:36,503 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 21:36:36,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 21:36:36,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 21:36:36,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 21:36:36,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 21:36:36,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 21:36:36,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 21:36:36,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 21:36:36,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 21:36:36,532 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 21:36:36,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 21:36:36,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 21:36:36,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 21:36:36,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 21:36:36,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 21:36:36,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 21:36:36,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 21:36:36,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 21:36:36,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 21:36:36,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:36:36,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 21:36:36,535 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 21:36:36,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 21:36:36,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 21:36:36,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 21:36:36,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 21:36:36,795 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 21:36:36,797 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 21:36:36,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_01-idx_rc.i [2022-02-18 21:36:36,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ac902ea/0d42b9f80fe243a6be268840376b6bcd/FLAGdf662ad60 [2022-02-18 21:36:37,362 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 21:36:37,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_01-idx_rc.i [2022-02-18 21:36:37,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ac902ea/0d42b9f80fe243a6be268840376b6bcd/FLAGdf662ad60 [2022-02-18 21:36:37,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4ac902ea/0d42b9f80fe243a6be268840376b6bcd [2022-02-18 21:36:37,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 21:36:37,849 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 21:36:37,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 21:36:37,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 21:36:37,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 21:36:37,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:36:37" (1/1) ... [2022-02-18 21:36:37,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db1f13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:37, skipping insertion in model container [2022-02-18 21:36:37,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:36:37" (1/1) ... [2022-02-18 21:36:37,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 21:36:37,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 21:36:38,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:36:38,177 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 21:36:38,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:36:38,271 INFO L208 MainTranslator]: Completed translation [2022-02-18 21:36:38,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38 WrapperNode [2022-02-18 21:36:38,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 21:36:38,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 21:36:38,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 21:36:38,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 21:36:38,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,323 INFO L137 Inliner]: procedures = 161, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-02-18 21:36:38,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 21:36:38,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 21:36:38,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 21:36:38,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 21:36:38,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 21:36:38,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 21:36:38,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 21:36:38,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 21:36:38,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (1/1) ... [2022-02-18 21:36:38,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:36:38,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:38,384 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 21:36:38,395 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 21:36:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 21:36:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 21:36:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 21:36:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 21:36:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 21:36:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 21:36:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 21:36:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 21:36:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 21:36:38,425 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 21:36:38,571 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 21:36:38,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 21:36:38,700 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 21:36:38,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 21:36:38,705 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-18 21:36:38,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:36:38 BoogieIcfgContainer [2022-02-18 21:36:38,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 21:36:38,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 21:36:38,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 21:36:38,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 21:36:38,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 09:36:37" (1/3) ... [2022-02-18 21:36:38,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d50990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:36:38, skipping insertion in model container [2022-02-18 21:36:38,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:38" (2/3) ... [2022-02-18 21:36:38,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d50990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:36:38, skipping insertion in model container [2022-02-18 21:36:38,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:36:38" (3/3) ... [2022-02-18 21:36:38,713 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_01-idx_rc.i [2022-02-18 21:36:38,717 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 21:36:38,717 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 21:36:38,717 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-18 21:36:38,717 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 21:36:38,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,738 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,738 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,739 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,739 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,742 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,743 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:38,748 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 21:36:38,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 21:36:38,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:38,787 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 21:36:38,796 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 21:36:38,818 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 21:36:38,824 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 21:36:38,825 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-18 21:36:38,875 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:38,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:38,885 INFO L85 PathProgramCache]: Analyzing trace with hash -960267410, now seen corresponding path program 1 times [2022-02-18 21:36:38,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:38,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642919394] [2022-02-18 21:36:38,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:38,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:39,027 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 21:36:39,028 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:39,028 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642919394] [2022-02-18 21:36:39,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642919394] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:39,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:39,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:36:39,030 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251973236] [2022-02-18 21:36:39,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:39,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 21:36:39,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:39,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 21:36:39,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 21:36:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,054 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:39,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 21:36:39,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 21:36:39,064 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:39,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:39,065 INFO L85 PathProgramCache]: Analyzing trace with hash -831184691, now seen corresponding path program 1 times [2022-02-18 21:36:39,065 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:39,065 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693831829] [2022-02-18 21:36:39,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:39,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:39,110 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 21:36:39,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:39,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693831829] [2022-02-18 21:36:39,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693831829] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:39,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:39,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 21:36:39,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924400155] [2022-02-18 21:36:39,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:39,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:39,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:39,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:39,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 21:36:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,113 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:39,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 21:36:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 21:36:39,136 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:39,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:39,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1681146568, now seen corresponding path program 1 times [2022-02-18 21:36:39,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:39,137 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952920326] [2022-02-18 21:36:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:39,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:39,211 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 21:36:39,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:39,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952920326] [2022-02-18 21:36:39,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952920326] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:39,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985975953] [2022-02-18 21:36:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:39,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:39,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:39,214 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 21:36:39,238 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 21:36:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:39,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:39,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:39,378 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 21:36:39,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:39,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985975953] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:39,379 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:39,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:39,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310035930] [2022-02-18 21:36:39,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:39,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:39,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:39,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:39,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,381 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:39,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 21:36:39,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,420 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 21:36:39,619 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 21:36:39,620 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:39,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:39,621 INFO L85 PathProgramCache]: Analyzing trace with hash 438956630, now seen corresponding path program 1 times [2022-02-18 21:36:39,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:39,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118189142] [2022-02-18 21:36:39,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:39,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:39,710 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 21:36:39,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:39,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118189142] [2022-02-18 21:36:39,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118189142] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:39,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321866434] [2022-02-18 21:36:39,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:39,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:39,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:39,713 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 21:36:39,714 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 21:36:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:39,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:39,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:39,853 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 21:36:39,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:39,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321866434] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:39,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:39,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:39,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523333418] [2022-02-18 21:36:39,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:39,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:39,854 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:39,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:39,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,855 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:39,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 21:36:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:39,931 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 21:36:40,128 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 21:36:40,129 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:40,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash -604649448, now seen corresponding path program 1 times [2022-02-18 21:36:40,130 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:40,130 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283229695] [2022-02-18 21:36:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:40,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:40,213 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 21:36:40,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:40,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283229695] [2022-02-18 21:36:40,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283229695] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:40,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906345753] [2022-02-18 21:36:40,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:40,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:40,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:40,216 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 21:36:40,218 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 21:36:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:40,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 21:36:40,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:40,426 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 21:36:40,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 21:36:40,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906345753] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:40,428 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 21:36:40,428 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-18 21:36:40,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178538691] [2022-02-18 21:36:40,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:40,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 21:36:40,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:40,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 21:36:40,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:40,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:40,435 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:40,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 21:36:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:40,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:40,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:40,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:40,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:40,632 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 21:36:40,829 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 21:36:40,830 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:40,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:40,830 INFO L85 PathProgramCache]: Analyzing trace with hash 939645396, now seen corresponding path program 1 times [2022-02-18 21:36:40,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:40,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18652603] [2022-02-18 21:36:40,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:40,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:40,874 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 21:36:40,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:40,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18652603] [2022-02-18 21:36:40,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18652603] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:40,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640249881] [2022-02-18 21:36:40,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:40,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:40,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:40,877 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 21:36:40,899 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 21:36:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:40,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 21:36:40,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:41,065 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 21:36:41,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 21:36:41,165 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 21:36:41,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640249881] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 21:36:41,165 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 21:36:41,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 21:36:41,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99535916] [2022-02-18 21:36:41,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 21:36:41,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 21:36:41,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:41,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 21:36:41,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 21:36:41,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:41,168 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:41,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 21:36:41,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:41,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:41,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 21:36:41,483 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 21:36:41,483 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:41,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:41,484 INFO L85 PathProgramCache]: Analyzing trace with hash -360393036, now seen corresponding path program 2 times [2022-02-18 21:36:41,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:41,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606352814] [2022-02-18 21:36:41,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:41,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:41,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:41,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606352814] [2022-02-18 21:36:41,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606352814] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:41,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639848845] [2022-02-18 21:36:41,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 21:36:41,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:41,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:41,597 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 21:36:41,627 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 21:36:41,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 21:36:41,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 21:36:41,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 21:36:41,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:41,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 21:36:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:41,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639848845] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 21:36:41,937 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 21:36:41,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-18 21:36:41,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532399440] [2022-02-18 21:36:41,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 21:36:41,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 21:36:41,938 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:41,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 21:36:41,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-18 21:36:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:41,940 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:41,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 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 21:36:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:41,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:42,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 21:36:42,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-18 21:36:42,339 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 21:36:42,340 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:42,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:42,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1067255924, now seen corresponding path program 3 times [2022-02-18 21:36:42,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:42,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482423289] [2022-02-18 21:36:42,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:42,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:42,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:42,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482423289] [2022-02-18 21:36:42,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482423289] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 21:36:42,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092728581] [2022-02-18 21:36:42,530 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 21:36:42,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 21:36:42,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:42,534 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 21:36:42,534 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 21:36:42,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-18 21:36:42,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 21:36:42,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 21:36:42,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 21:36:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:42,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 21:36:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:43,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092728581] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 21:36:43,040 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 21:36:43,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-18 21:36:43,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887114705] [2022-02-18 21:36:43,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 21:36:43,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-18 21:36:43,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:43,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-18 21:36:43,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-18 21:36:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:43,042 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:43,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 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 21:36:43,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:43,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:43,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-18 21:36:43,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 21:36:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 21:36:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 21:36:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 21:36:43,325 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 21:36:43,500 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 21:36:43,501 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:43,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:43,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1754936591, now seen corresponding path program 4 times [2022-02-18 21:36:43,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:43,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695003412] [2022-02-18 21:36:43,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:36:43,543 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 21:36:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:36:43,603 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 21:36:43,604 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 21:36:43,604 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-18 21:36:43,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-18 21:36:43,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-18 21:36:43,607 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-18 21:36:43,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-18 21:36:43,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-18 21:36:43,608 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-18 21:36:43,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 21:36:43,614 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-02-18 21:36:43,620 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 21:36:43,620 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 21:36:43,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 09:36:43 BasicIcfg [2022-02-18 21:36:43,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 21:36:43,681 INFO L158 Benchmark]: Toolchain (without parser) took 5831.75ms. Allocated memory was 172.0MB in the beginning and 227.5MB in the end (delta: 55.6MB). Free memory was 119.9MB in the beginning and 162.8MB in the end (delta: -43.0MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-02-18 21:36:43,681 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 137.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 21:36:43,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.27ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 137.7MB in the end (delta: -18.1MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-02-18 21:36:43,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.36ms. Allocated memory is still 172.0MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 21:36:43,682 INFO L158 Benchmark]: Boogie Preprocessor took 29.39ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 134.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 21:36:43,682 INFO L158 Benchmark]: RCFGBuilder took 352.78ms. Allocated memory is still 172.0MB. Free memory was 134.0MB in the beginning and 123.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-18 21:36:43,682 INFO L158 Benchmark]: TraceAbstraction took 4972.03ms. Allocated memory was 172.0MB in the beginning and 227.5MB in the end (delta: 55.6MB). Free memory was 122.5MB in the beginning and 162.8MB in the end (delta: -40.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-18 21:36:43,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 137.4MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 420.27ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 137.7MB in the end (delta: -18.1MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.36ms. Allocated memory is still 172.0MB. Free memory was 137.7MB in the beginning and 135.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.39ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 134.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 352.78ms. Allocated memory is still 172.0MB. Free memory was 134.0MB in the beginning and 123.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4972.03ms. Allocated memory was 172.0MB in the beginning and 227.5MB in the end (delta: 55.6MB). Free memory was 122.5MB in the beginning and 162.8MB in the end (delta: -40.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 380, positive: 243, positive conditional: 243, positive unconditional: 0, negative: 137, negative conditional: 137, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 247, positive: 243, positive conditional: 243, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 247, positive: 243, positive conditional: 243, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 251, positive: 243, positive conditional: 155, positive unconditional: 88, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 251, positive: 243, positive conditional: 85, positive unconditional: 158, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 251, positive: 243, positive conditional: 85, positive unconditional: 158, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 123, positive: 121, positive conditional: 36, positive unconditional: 85, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 123, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 86, positive conditional: 3, positive unconditional: 83, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 251, positive: 122, positive conditional: 49, positive unconditional: 73, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 123, unknown conditional: 37, unknown unconditional: 86] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 121, Positive conditional cache size: 36, Positive unconditional cache size: 85, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 70, Maximal queried relation: 1, Independence queries for same thread: 133 - 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: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data; VAL [data=0] [L680] 0 pthread_mutex_t m[10]; VAL [data=0, m={1:0}] [L688] 0 int i = 0; VAL [data=0, i=0, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=0, m={1:0}] [L688] 0 i++ VAL [data=0, i=1, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=1, m={1:0}] [L688] 0 i++ VAL [data=0, i=2, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=2, m={1:0}] [L688] 0 i++ VAL [data=0, i=3, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=3, m={1:0}] [L688] 0 i++ VAL [data=0, i=4, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=4, m={1:0}] [L688] 0 i++ VAL [data=0, i=5, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=5, m={1:0}] [L688] 0 i++ VAL [data=0, i=6, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=6, m={1:0}] [L688] 0 i++ VAL [data=0, i=7, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=7, m={1:0}] [L688] 0 i++ VAL [data=0, i=8, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=8, m={1:0}] [L688] 0 i++ VAL [data=0, i=9, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=9, m={1:0}] [L688] 0 i++ VAL [data=0, i=10, m={1:0}] [L688] COND FALSE 0 !(i < 10) VAL [data=0, i=10, m={1:0}] [L690] 0 pthread_t id; VAL [data=0, i=10, id={2:0}, m={1:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data=0, i=10, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] 0 data++ VAL [arg={0:0}, data=1, data++=0, data++=241, i=10, id={2:0}, m={1:0}] [L683] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, m={1:0}] [L693] 0 data++ VAL [arg={0:0}, arg={0:0}, data=1, data++=0, data++=241, i=10, id={2:0}, m={1:0}] Now there is a data race on ~data~0 between C: data++ [683] and C: data++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 74, 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, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 742 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 22 NumberOfNonLiveVariables, 698 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 3/399 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 21:36:43,762 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 21:36:43,976 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...