/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-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 22:56:49,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 22:56:49,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 22:56:49,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 22:56:49,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 22:56:49,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 22:56:49,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 22:56:49,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 22:56:49,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 22:56:49,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 22:56:49,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 22:56:49,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 22:56:49,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 22:56:49,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 22:56:49,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 22:56:49,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 22:56:49,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 22:56:49,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 22:56:49,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 22:56:49,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 22:56:49,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 22:56:49,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 22:56:49,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 22:56:49,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 22:56:49,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 22:56:49,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 22:56:49,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 22:56:49,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 22:56:49,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 22:56:49,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 22:56:49,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 22:56:49,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 22:56:49,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 22:56:49,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 22:56:49,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 22:56:49,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 22:56:49,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 22:56:49,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 22:56:49,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 22:56:49,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 22:56:49,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 22:56:49,350 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-MCRwithDepranks-Lazy.epf [2022-02-09 22:56:49,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 22:56:49,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 22:56:49,379 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 22:56:49,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 22:56:49,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 22:56:49,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 22:56:49,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 22:56:49,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 22:56:49,380 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 22:56:49,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 22:56:49,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 22:56:49,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 22:56:49,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 22:56:49,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 22:56:49,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 22:56:49,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 22:56:49,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 22:56:49,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 22:56:49,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 22:56:49,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 22:56:49,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 22:56:49,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 22:56:49,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 22:56:49,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 22:56:49,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 22:56:49,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 22:56:49,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 22:56:49,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 22:56:49,385 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 22:56:49,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 22:56:49,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 22:56:49,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 22:56:49,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 22:56:49,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 22:56:49,588 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 22:56:49,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-02-09 22:56:49,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c32fc8b89/41fbffc6405f4ea68a770824760cc013/FLAG13bdd9ffd [2022-02-09 22:56:50,093 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 22:56:50,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-02-09 22:56:50,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c32fc8b89/41fbffc6405f4ea68a770824760cc013/FLAG13bdd9ffd [2022-02-09 22:56:50,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c32fc8b89/41fbffc6405f4ea68a770824760cc013 [2022-02-09 22:56:50,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 22:56:50,115 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 22:56:50,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 22:56:50,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 22:56:50,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 22:56:50,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f78df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50, skipping insertion in model container [2022-02-09 22:56:50,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 22:56:50,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 22:56:50,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 22:56:50,512 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 22:56:50,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 22:56:50,580 INFO L208 MainTranslator]: Completed translation [2022-02-09 22:56:50,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50 WrapperNode [2022-02-09 22:56:50,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 22:56:50,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 22:56:50,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 22:56:50,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 22:56:50,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,612 INFO L137 Inliner]: procedures = 266, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-09 22:56:50,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 22:56:50,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 22:56:50,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 22:56:50,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 22:56:50,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 22:56:50,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 22:56:50,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 22:56:50,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 22:56:50,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (1/1) ... [2022-02-09 22:56:50,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 22:56:50,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 22:56:50,680 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) [2022-02-09 22:56:50,703 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 [2022-02-09 22:56:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 22:56:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 22:56:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 22:56:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 22:56:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 22:56:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 22:56:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 22:56:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 22:56:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 22:56:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 22:56:50,713 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 22:56:50,850 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 22:56:50,851 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 22:56:50,983 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 22:56:50,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 22:56:50,990 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 22:56:50,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:56:50 BoogieIcfgContainer [2022-02-09 22:56:50,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 22:56:50,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 22:56:50,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 22:56:50,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 22:56:50,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 10:56:50" (1/3) ... [2022-02-09 22:56:50,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d44f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:56:50, skipping insertion in model container [2022-02-09 22:56:50,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:50" (2/3) ... [2022-02-09 22:56:50,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d44f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:56:50, skipping insertion in model container [2022-02-09 22:56:50,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:56:50" (3/3) ... [2022-02-09 22:56:50,998 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_16-ps_add1_rc.i [2022-02-09 22:56:51,002 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 22:56:51,002 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 22:56:51,002 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-09 22:56:51,002 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 22:56:51,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,021 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,021 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,022 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,022 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,028 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,028 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:51,030 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 22:56:51,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 22:56:51,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 22:56:51,070 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) [2022-02-09 22:56:51,072 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 [2022-02-09 22:56:51,097 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 22:56:51,102 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 [2022-02-09 22:56:51,102 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 22:56:51,135 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 56 transitions and produced 57 states. [2022-02-09 22:56:51,137 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:56:51,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash -644849769, now seen corresponding path program 1 times [2022-02-09 22:56:51,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:51,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002192069] [2022-02-09 22:56:51,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:51,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:56:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:56:51,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:56:51,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002192069] [2022-02-09 22:56:51,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002192069] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:56:51,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:56:51,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:56:51,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50732178] [2022-02-09 22:56:51,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:56:51,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:56:51,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:56:51,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:56:51,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:56:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,353 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:56:51,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-02-09 22:56:51,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,370 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 67 transitions and produced 68 states. [2022-02-09 22:56:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 22:56:51,371 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:56:51,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:51,371 INFO L85 PathProgramCache]: Analyzing trace with hash -950016875, now seen corresponding path program 1 times [2022-02-09 22:56:51,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:51,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221264855] [2022-02-09 22:56:51,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:51,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:56:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:56:51,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:56:51,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221264855] [2022-02-09 22:56:51,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221264855] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:56:51,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:56:51,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:56:51,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825882185] [2022-02-09 22:56:51,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:56:51,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:56:51,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:56:51,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:56:51,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:56:51,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:56:51,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-09 22:56:51,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,445 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 107 transitions and produced 108 states. [2022-02-09 22:56:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 22:56:51,446 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:56:51,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:51,446 INFO L85 PathProgramCache]: Analyzing trace with hash 34493577, now seen corresponding path program 1 times [2022-02-09 22:56:51,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:51,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966424959] [2022-02-09 22:56:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:51,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:56:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:56:51,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:56:51,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966424959] [2022-02-09 22:56:51,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966424959] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:56:51,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:56:51,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:56:51,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514493459] [2022-02-09 22:56:51,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:56:51,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:56:51,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:56:51,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:56:51,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:56:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,493 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:56:51,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-02-09 22:56:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,572 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 643 transitions and produced 408 states. [2022-02-09 22:56:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 22:56:51,573 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:56:51,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:51,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1733274669, now seen corresponding path program 1 times [2022-02-09 22:56:51,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:51,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840209132] [2022-02-09 22:56:51,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:51,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:56:51,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:56:51,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:56:51,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840209132] [2022-02-09 22:56:51,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840209132] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:56:51,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:56:51,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 22:56:51,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969889877] [2022-02-09 22:56:51,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:56:51,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:56:51,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:56:51,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:56:51,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:56:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,619 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:56:51,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 22:56:51,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:51,691 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1047 transitions and produced 673 states. [2022-02-09 22:56:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:51,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 22:56:51,694 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 22:56:51,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:51,696 INFO L85 PathProgramCache]: Analyzing trace with hash 569910701, now seen corresponding path program 1 times [2022-02-09 22:56:51,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:51,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722729423] [2022-02-09 22:56:51,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:51,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 22:56:51,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 22:56:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 22:56:51,793 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 22:56:51,793 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 22:56:51,794 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-09 22:56:51,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-09 22:56:51,795 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-09 22:56:51,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-09 22:56:51,796 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-09 22:56:51,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-09 22:56:51,797 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-09 22:56:51,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 22:56:51,806 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-09 22:56:51,809 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 22:56:51,809 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 22:56:51,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 10:56:51 BasicIcfg [2022-02-09 22:56:51,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 22:56:51,841 INFO L158 Benchmark]: Toolchain (without parser) took 1725.24ms. Allocated memory was 183.5MB in the beginning and 315.6MB in the end (delta: 132.1MB). Free memory was 126.5MB in the beginning and 172.3MB in the end (delta: -45.8MB). Peak memory consumption was 86.7MB. Max. memory is 8.0GB. [2022-02-09 22:56:51,841 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 22:56:51,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.31ms. Allocated memory was 183.5MB in the beginning and 315.6MB in the end (delta: 132.1MB). Free memory was 126.3MB in the beginning and 270.9MB in the end (delta: -144.5MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-02-09 22:56:51,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.15ms. Allocated memory is still 315.6MB. Free memory was 270.9MB in the beginning and 268.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 22:56:51,842 INFO L158 Benchmark]: Boogie Preprocessor took 24.30ms. Allocated memory is still 315.6MB. Free memory was 268.3MB in the beginning and 267.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 22:56:51,842 INFO L158 Benchmark]: RCFGBuilder took 354.80ms. Allocated memory is still 315.6MB. Free memory was 267.2MB in the beginning and 253.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-09 22:56:51,842 INFO L158 Benchmark]: TraceAbstraction took 846.73ms. Allocated memory is still 315.6MB. Free memory was 253.1MB in the beginning and 172.3MB in the end (delta: 80.7MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2022-02-09 22:56:51,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.31ms. Allocated memory was 183.5MB in the beginning and 315.6MB in the end (delta: 132.1MB). Free memory was 126.3MB in the beginning and 270.9MB in the end (delta: -144.5MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.15ms. Allocated memory is still 315.6MB. Free memory was 270.9MB in the beginning and 268.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.30ms. Allocated memory is still 315.6MB. Free memory was 268.3MB in the beginning and 267.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 354.80ms. Allocated memory is still 315.6MB. Free memory was 267.2MB in the beginning and 253.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 846.73ms. Allocated memory is still 315.6MB. Free memory was 253.1MB in the beginning and 172.3MB in the end (delta: 80.7MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}] [L937] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, glob=0, i=0, m={4:0}] [L938] 0 pthread_t id; VAL [glob=0, i=0, id={5:0}, m={4:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=0, id={5:0}, m={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L941] COND FALSE 0 !(\read(i)) VAL [arg={0:0}, glob=0, i=0, id={5:0}, m={4:0}] [L944] 0 i++ VAL [arg={0:0}, glob=0, i=1, id={5:0}, m={4:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, glob=0, i=1, id={5:0}, m={4:0}] [L946] 0 glob++ VAL [arg={0:0}, glob=1, glob++=0, glob++=25, i=1, id={5:0}, m={4:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, m={4:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, i=1, id={5:0}, m={4:0}] Now there is a data race on ~glob~0 between C: glob++ [932] and C: glob++ [946] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: 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, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-09 22:56:51,883 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 [2022-02-09 22:56:52,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...