/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-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.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/ldv-races/race-1_3b-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 10:53:49,500 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-02-11 10:53:49,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 10:53:49,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 10:53:49,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 10:53:49,601 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-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 10:53:49,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 10:53:49,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 10:53:49,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 10:53:49,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 10:53:49,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 10:53:49,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 10:53:49,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 10:53:49,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 10:53:49,632 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 10:53:49,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 10:53:49,633 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 10:53:49,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 10:53:49,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 10:53:49,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 10:53:49,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 10:53:49,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 10:53:49,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 10:53:49,634 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 10:53:49,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 10:53:49,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 10:53:49,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 10:53:49,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 10:53:49,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 10:53:49,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 10:53:49,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 10:53:49,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 10:53:49,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 10:53:49,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 10:53:49,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 10:53:49,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 10:53:49,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 10:53:49,637 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 10:53:49,637 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 10:53:49,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 10:53:49,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 10:53:49,637 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 10:53:49,637 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 10:53:49,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-11 10:53:49,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 10:53:49,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 10:53:49,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 10:53:49,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 10:53:49,887 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 10:53:49,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2022-02-11 10:53:49,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/facf394de/e6012697b27a490a97a8fd97272e76d2/FLAGb1643a045 [2022-02-11 10:53:50,412 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 10:53:50,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2022-02-11 10:53:50,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/facf394de/e6012697b27a490a97a8fd97272e76d2/FLAGb1643a045 [2022-02-11 10:53:50,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/facf394de/e6012697b27a490a97a8fd97272e76d2 [2022-02-11 10:53:50,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 10:53:50,722 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 10:53:50,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 10:53:50,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 10:53:50,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 10:53:50,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 10:53:50" (1/1) ... [2022-02-11 10:53:50,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af4324a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:50, skipping insertion in model container [2022-02-11 10:53:50,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 10:53:50" (1/1) ... [2022-02-11 10:53:50,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 10:53:50,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 10:53:51,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2022-02-11 10:53:51,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 10:53:51,477 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 10:53:51,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2022-02-11 10:53:51,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 10:53:51,632 INFO L208 MainTranslator]: Completed translation [2022-02-11 10:53:51,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51 WrapperNode [2022-02-11 10:53:51,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 10:53:51,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 10:53:51,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 10:53:51,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 10:53:51,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,720 INFO L137 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2022-02-11 10:53:51,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 10:53:51,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 10:53:51,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 10:53:51,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 10:53:51,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 10:53:51,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 10:53:51,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 10:53:51,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 10:53:51,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (1/1) ... [2022-02-11 10:53:51,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 10:53:51,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:53:51,820 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) [2022-02-11 10:53:51,822 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 [2022-02-11 10:53:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 10:53:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 10:53:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 10:53:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 10:53:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-11 10:53:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 10:53:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 10:53:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 10:53:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 10:53:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 10:53:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 10:53:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 10:53:51,852 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 10:53:52,103 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 10:53:52,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 10:53:52,248 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 10:53:52,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 10:53:52,256 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 10:53:52,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 10:53:52 BoogieIcfgContainer [2022-02-11 10:53:52,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 10:53:52,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 10:53:52,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 10:53:52,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 10:53:52,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 10:53:50" (1/3) ... [2022-02-11 10:53:52,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bdac5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 10:53:52, skipping insertion in model container [2022-02-11 10:53:52,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 10:53:51" (2/3) ... [2022-02-11 10:53:52,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bdac5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 10:53:52, skipping insertion in model container [2022-02-11 10:53:52,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 10:53:52" (3/3) ... [2022-02-11 10:53:52,263 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2022-02-11 10:53:52,267 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 10:53:52,267 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 10:53:52,268 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-02-11 10:53:52,268 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 10:53:52,302 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,302 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,302 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,302 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,302 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,302 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,303 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,303 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,303 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,303 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,303 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,304 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,304 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,304 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,304 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,304 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,304 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,304 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,305 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,305 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,305 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,305 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,305 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,305 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,305 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,306 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,309 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,309 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,309 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,309 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,310 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,310 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 10:53:52,318 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-11 10:53:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 10:53:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 10:53:52,383 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) [2022-02-11 10:53:52,399 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 [2022-02-11 10:53:52,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2022-02-11 10:53:52,427 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, 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 [2022-02-11 10:53:52,428 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 10:53:52,663 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 10:53:52,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:53:52,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1732171434, now seen corresponding path program 1 times [2022-02-11 10:53:52,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:53:52,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604573934] [2022-02-11 10:53:52,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:53:52,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:53:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:53:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:53:53,054 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:53:53,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604573934] [2022-02-11 10:53:53,056 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604573934] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:53:53,056 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:53:53,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 10:53:53,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515570872] [2022-02-11 10:53:53,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:53:53,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 10:53:53,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:53:53,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 10:53:53,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 10:53:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:53:53,101 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:53:53,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2022-02-11 10:53:53,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:53:53,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:53:53,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 10:53:53,118 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 10:53:53,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:53:53,120 INFO L85 PathProgramCache]: Analyzing trace with hash 242499866, now seen corresponding path program 1 times [2022-02-11 10:53:53,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:53:53,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055828395] [2022-02-11 10:53:53,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:53:53,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:53:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 10:53:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 10:53:53,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 10:53:53,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055828395] [2022-02-11 10:53:53,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055828395] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 10:53:53,260 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 10:53:53,260 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 10:53:53,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333877486] [2022-02-11 10:53:53,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 10:53:53,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 10:53:53,264 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 10:53:53,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 10:53:53,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 10:53:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:53:53,276 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 10:53:53,277 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) [2022-02-11 10:53:53,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:53:53,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:53:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 10:53:53,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 10:53:53,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 10:53:53,394 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 10:53:53,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 10:53:53,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1137122762, now seen corresponding path program 1 times [2022-02-11 10:53:53,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 10:53:53,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105610475] [2022-02-11 10:53:53,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 10:53:53,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 10:53:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 10:53:53,448 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 10:53:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 10:53:53,515 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 10:53:53,515 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 10:53:53,516 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-02-11 10:53:53,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 10:53:53,525 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-11 10:53:53,527 INFO L313 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was UNSAFE (1/2) [2022-02-11 10:53:53,530 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 10:53:53,530 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 10:53:53,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 10:53:53 BasicIcfg [2022-02-11 10:53:53,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 10:53:53,577 INFO L158 Benchmark]: Toolchain (without parser) took 2854.19ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 121.2MB in the beginning and 122.7MB in the end (delta: -1.5MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. [2022-02-11 10:53:53,578 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 173.0MB. Free memory was 140.8MB in the beginning and 140.7MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 10:53:53,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.32ms. Allocated memory is still 173.0MB. Free memory was 121.0MB in the beginning and 108.4MB in the end (delta: 12.6MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. [2022-02-11 10:53:53,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.04ms. Allocated memory is still 173.0MB. Free memory was 108.4MB in the beginning and 105.3MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-11 10:53:53,578 INFO L158 Benchmark]: Boogie Preprocessor took 66.05ms. Allocated memory is still 173.0MB. Free memory was 105.3MB in the beginning and 102.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-11 10:53:53,579 INFO L158 Benchmark]: RCFGBuilder took 470.17ms. Allocated memory is still 173.0MB. Free memory was 102.6MB in the beginning and 84.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-11 10:53:53,579 INFO L158 Benchmark]: TraceAbstraction took 1317.14ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 84.3MB in the beginning and 122.7MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 10:53:53,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 173.0MB. Free memory was 140.8MB in the beginning and 140.7MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 907.32ms. Allocated memory is still 173.0MB. Free memory was 121.0MB in the beginning and 108.4MB in the end (delta: 12.6MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 87.04ms. Allocated memory is still 173.0MB. Free memory was 108.4MB in the beginning and 105.3MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.05ms. Allocated memory is still 173.0MB. Free memory was 105.3MB in the beginning and 102.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 470.17ms. Allocated memory is still 173.0MB. Free memory was 102.6MB in the beginning and 84.8MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1317.14ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 84.3MB in the beginning and 122.7MB in the end (delta: -38.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 451, positive: 442, positive conditional: 40, positive unconditional: 402, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 819, positive: 814, positive conditional: 55, positive unconditional: 759, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 819, positive: 814, positive conditional: 55, positive unconditional: 759, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 820, positive: 814, positive conditional: 30, positive unconditional: 784, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 820, positive: 814, positive conditional: 30, positive unconditional: 784, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 820, positive: 814, positive conditional: 30, positive unconditional: 784, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, positive: 604, positive conditional: 1, positive unconditional: 603, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, positive: 579, positive conditional: 0, positive unconditional: 579, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 1, positive unconditional: 24, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 94, positive conditional: 1, positive unconditional: 93, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 820, positive: 210, positive conditional: 29, positive unconditional: 181, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 609, unknown conditional: 2, unknown unconditional: 607] , Statistics on independence cache: Total cache size (in pairs): 609, Positive cache size: 604, Positive conditional cache size: 1, Positive unconditional cache size: 603, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 69, Number of trivial persistent sets: 63, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 406, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 451, positive: 442, positive conditional: 40, positive unconditional: 402, negative: 9, negative conditional: 5, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 819, positive: 814, positive conditional: 55, positive unconditional: 759, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 819, positive: 814, positive conditional: 55, positive unconditional: 759, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 820, positive: 814, positive conditional: 30, positive unconditional: 784, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 820, positive: 814, positive conditional: 30, positive unconditional: 784, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 820, positive: 814, positive conditional: 30, positive unconditional: 784, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 609, positive: 604, positive conditional: 1, positive unconditional: 603, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 609, positive: 579, positive conditional: 0, positive unconditional: 579, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 1, positive unconditional: 24, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 94, positive conditional: 1, positive unconditional: 93, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 820, positive: 210, positive conditional: 29, positive unconditional: 181, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 609, unknown conditional: 2, unknown unconditional: 607] , Statistics on independence cache: Total cache size (in pairs): 609, Positive cache size: 604, Positive conditional cache size: 1, Positive unconditional cache size: 603, Negative cache size: 5, Negative conditional cache size: 1, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 4 - 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: 1699]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1; VAL [t1={3:0}] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={4:0}, t1={3:0}] [L1696] 0 int pdev; VAL [mutex={4:0}, pdev=0, t1={3:0}] [L1726] CALL, EXPR 0 module_init() [L1705] 0 pdev = 1 VAL [mutex={4:0}, pdev=1, t1={3:0}] [L1706] EXPR 0 pdev==1 VAL [mutex={4:0}, pdev=1, t1={3:0}] [L1706] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, mutex={4:0}, pdev=1, t1={3:0}] [L1706] RET 0 ldv_assert(pdev==1) [L1707] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, mutex={4:0}, pdev=1, t1={3:0}] [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] [L1709] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] [L1726] RET, EXPR 0 module_init() [L1726] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, arg={0:0}, module_init()=0, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] [L1727] CALL 0 module_exit() [L1717] 0 void *status; VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, status={5:0}, t1={3:0}] [L1718] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 4=1153, pdev = 6=1150, status={5:0}, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 6=1150, t1={3:0}] Now there is a data race on ~pdev~0 between C: pdev = 4 [1718] and C: pdev = 6 [1699] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 162 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.3s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: Toolchain returned no result. [2022-02-11 10:53:53,643 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 [2022-02-11 10:53:53,848 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...