/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.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/06-symbeq_10-equ_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:50:25,695 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 23:50:25,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:50:25,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:50:25,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:50:25,802 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.epf [2021-10-16 23:50:25,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:50:25,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:50:25,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 23:50:25,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 23:50:25,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:50:25,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:50:25,831 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:50:25,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:50:25,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:50:25,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:50:25,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:50:25,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:50:25,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:50:25,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:50:25,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:50:25,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:50:25,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:50:25,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:50:25,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:50:25,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:50:25,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:50:25,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:50:25,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 23:50:25,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 23:50:25,835 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 23:50:25,835 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 23:50:25,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:50:26,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:50:26,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:50:26,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:50:26,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:50:26,072 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:50:26,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2021-10-16 23:50:26,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ddce683/6d50aec6c45d459c960c2f4acdfb85e7/FLAG8a96e6aff [2021-10-16 23:50:26,577 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:50:26,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2021-10-16 23:50:26,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ddce683/6d50aec6c45d459c960c2f4acdfb85e7/FLAG8a96e6aff [2021-10-16 23:50:27,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ddce683/6d50aec6c45d459c960c2f4acdfb85e7 [2021-10-16 23:50:27,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:50:27,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:50:27,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:50:27,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:50:27,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:50:27,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be6d778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27, skipping insertion in model container [2021-10-16 23:50:27,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:50:27,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:50:27,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:50:27,486 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:50:27,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:50:27,565 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:50:27,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27 WrapperNode [2021-10-16 23:50:27,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:50:27,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:50:27,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:50:27,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:50:27,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:50:27,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:50:27,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:50:27,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:50:27,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:50:27,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:50:27,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:50:27,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:50:27,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (1/1) ... [2021-10-16 23:50:27,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:50:27,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:50:27,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 23:50:27,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 23:50:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:50:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:50:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:50:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 23:50:27,729 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:50:27,729 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:50:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:50:27,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:50:27,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:50:27,731 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:50:27,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:50:27,964 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 23:50:27,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:50:27 BoogieIcfgContainer [2021-10-16 23:50:27,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:50:27,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:50:27,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:50:27,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:50:27,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:50:27" (1/3) ... [2021-10-16 23:50:27,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7509d3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:50:27, skipping insertion in model container [2021-10-16 23:50:27,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:27" (2/3) ... [2021-10-16 23:50:27,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7509d3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:50:27, skipping insertion in model container [2021-10-16 23:50:27,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:50:27" (3/3) ... [2021-10-16 23:50:27,979 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2021-10-16 23:50:27,984 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 23:50:27,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:50:27,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 23:50:27,984 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:50:28,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,009 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,016 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:50:28,023 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 23:50:28,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 23:50:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:50:28,056 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) [2021-10-16 23:50:28,059 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 [2021-10-16 23:50:28,079 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-10-16 23:50:28,082 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=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 [2021-10-16 23:50:28,083 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 23:50:28,169 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:50:28,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:50:28,175 INFO L82 PathProgramCache]: Analyzing trace with hash 128782753, now seen corresponding path program 1 times [2021-10-16 23:50:28,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:50:28,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873655314] [2021-10-16 23:50:28,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:50:28,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:50:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:50:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:50:28,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:50:28,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873655314] [2021-10-16 23:50:28,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873655314] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:50:28,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:50:28,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:50:28,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101647244] [2021-10-16 23:50:28,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:50:28,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:50:28,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:50:28,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:50:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 23:50:28,507 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 23:50:28,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:50:28,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 23:50:28,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:50:28,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:50:28,670 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:50:28,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:50:28,673 INFO L82 PathProgramCache]: Analyzing trace with hash 781951669, now seen corresponding path program 1 times [2021-10-16 23:50:28,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:50:28,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46858419] [2021-10-16 23:50:28,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:50:28,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:50:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:50:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:50:28,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:50:28,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46858419] [2021-10-16 23:50:28,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46858419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:50:28,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:50:28,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-16 23:50:28,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367128103] [2021-10-16 23:50:28,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:50:28,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:50:28,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:50:28,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:50:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 23:50:28,918 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 23:50:28,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:50:28,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:50:28,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 23:50:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:50:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 23:50:29,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:50:29,414 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:50:29,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:50:29,415 INFO L82 PathProgramCache]: Analyzing trace with hash 371717868, now seen corresponding path program 1 times [2021-10-16 23:50:29,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:50:29,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417683201] [2021-10-16 23:50:29,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:50:29,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:50:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:50:29,435 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:50:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:50:29,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:50:29,474 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:50:29,475 WARN L676 BasicCegarLoop]: Found a data race, but unable to determine exactly which statements and variables are involved. [2021-10-16 23:50:29,475 WARN L679 BasicCegarLoop]: C: B.datum = 5 [989] might race with any of C: *d = 8 [1012] [2021-10-16 23:50:29,476 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:50:29,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:50:29,482 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2021-10-16 23:50:29,485 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:50:29,485 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:50:29,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:50:29 BasicIcfg [2021-10-16 23:50:29,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:50:29,526 INFO L168 Benchmark]: Toolchain (without parser) took 2421.45 ms. Allocated memory was 175.1 MB in the beginning and 219.2 MB in the end (delta: 44.0 MB). Free memory was 124.4 MB in the beginning and 114.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:50:29,526 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 175.1 MB. Free memory was 142.7 MB in the beginning and 142.7 MB in the end (delta: 66.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:50:29,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.54 ms. Allocated memory is still 175.1 MB. Free memory was 124.2 MB in the beginning and 137.2 MB in the end (delta: -13.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:50:29,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.24 ms. Allocated memory is still 175.1 MB. Free memory was 137.2 MB in the beginning and 134.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:50:29,527 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 175.1 MB. Free memory was 134.7 MB in the beginning and 133.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:50:29,528 INFO L168 Benchmark]: RCFGBuilder took 323.31 ms. Allocated memory is still 175.1 MB. Free memory was 133.3 MB in the beginning and 120.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:50:29,528 INFO L168 Benchmark]: TraceAbstraction took 1555.41 ms. Allocated memory was 175.1 MB in the beginning and 219.2 MB in the end (delta: 44.0 MB). Free memory was 120.0 MB in the beginning and 114.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. [2021-10-16 23:50:29,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 175.1 MB. Free memory was 142.7 MB in the beginning and 142.7 MB in the end (delta: 66.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 453.54 ms. Allocated memory is still 175.1 MB. Free memory was 124.2 MB in the beginning and 137.2 MB in the end (delta: -13.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.24 ms. Allocated memory is still 175.1 MB. Free memory was 137.2 MB in the beginning and 134.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 175.1 MB. Free memory was 134.7 MB in the beginning and 133.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 323.31 ms. Allocated memory is still 175.1 MB. Free memory was 133.3 MB in the beginning and 120.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1555.41 ms. Allocated memory was 175.1 MB in the beginning and 219.2 MB in the end (delta: 44.0 MB). Free memory was 120.0 MB in the beginning and 114.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 51.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 659, positive: 583, positive conditional: 264, positive unconditional: 319, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 648, positive: 583, positive conditional: 264, positive unconditional: 319, negative: 65, negative conditional: 12, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 648, positive: 583, positive conditional: 264, positive unconditional: 319, negative: 65, negative conditional: 12, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 661, positive: 583, positive conditional: 248, positive unconditional: 335, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 661, positive: 583, positive conditional: 240, positive unconditional: 343, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 661, positive: 583, positive conditional: 240, positive unconditional: 343, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 413, positive: 353, positive conditional: 34, positive unconditional: 319, negative: 60, negative conditional: 6, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 413, positive: 317, positive conditional: 0, positive unconditional: 317, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 34, positive unconditional: 2, negative: 60, negative conditional: 6, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, positive: 84, positive conditional: 58, positive unconditional: 26, negative: 123, negative conditional: 15, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 661, positive: 230, positive conditional: 206, positive unconditional: 24, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 413, unknown conditional: 40, unknown unconditional: 373] , Statistics on independence cache: Total cache size (in pairs): 413, Positive cache size: 353, Positive conditional cache size: 34, Positive unconditional cache size: 319, Negative cache size: 60, Negative conditional cache size: 6, Negative unconditional cache size: 54, Eliminated conditions: 8, Maximal queried relation: 2, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 162, Number of persistent set computation: 142, Number of trivial persistent sets: 124, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 372, positive: 319, positive conditional: 0, positive unconditional: 319, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 659, positive: 583, positive conditional: 264, positive unconditional: 319, negative: 76, negative conditional: 23, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 648, positive: 583, positive conditional: 264, positive unconditional: 319, negative: 65, negative conditional: 12, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 648, positive: 583, positive conditional: 264, positive unconditional: 319, negative: 65, negative conditional: 12, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 661, positive: 583, positive conditional: 248, positive unconditional: 335, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 661, positive: 583, positive conditional: 240, positive unconditional: 343, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 661, positive: 583, positive conditional: 240, positive unconditional: 343, negative: 78, negative conditional: 13, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 413, positive: 353, positive conditional: 34, positive unconditional: 319, negative: 60, negative conditional: 6, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 413, positive: 317, positive conditional: 0, positive unconditional: 317, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 36, positive conditional: 34, positive unconditional: 2, negative: 60, negative conditional: 6, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, positive: 84, positive conditional: 58, positive unconditional: 26, negative: 123, negative conditional: 15, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 661, positive: 230, positive conditional: 206, positive unconditional: 24, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 413, unknown conditional: 40, unknown unconditional: 373] , Statistics on independence cache: Total cache size (in pairs): 413, Positive cache size: 353, Positive conditional cache size: 34, Positive unconditional cache size: 319, Negative cache size: 60, Negative conditional cache size: 6, Negative unconditional cache size: 54, Eliminated conditions: 8, Maximal queried relation: 2, Independence queries for same thread: 11 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 989]: the program contains a data race the program contains a data race We found a FailurePath: [L982-L986] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={7:0}, B={9:0}] [L996] 0 int x = __VERIFIER_nondet_int(); VAL [A={7:0}, B={9:0}] [L997] 0 pthread_t id; VAL [A={7:0}, B={9:0}] [L998] 0 struct s *s; VAL [A={7:0}, B={9:0}] [L999] 0 int *d; VAL [A={7:0}, B={9:0}] [L1000] 0 pthread_mutex_t *m; VAL [A={7:0}, B={9:0}] [L1001] COND FALSE 0 !(\read(x)) VAL [A={7:0}, B={9:0}] [L1005] 0 s = &B VAL [A={7:0}, B={9:0}] [L1006] 0 x++ VAL [A={7:0}, B={9:0}] [L1008] 0 m = &s->mutex VAL [A={7:0}, B={9:0}] [L1009] 0 d = &s->datum VAL [A={7:0}, B={9:0}] [L1010] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={7:0}, arg={0:0}, B={9:0}] [L989] 1 B.datum = 5 VAL [A={7:0}, arg={0:0}, arg={0:0}, B={9:0}, B.datum = 5=37] [L1012] 0 *d = 8 VAL [A={7:0}, arg={0:0}, arg={0:0}, B={9:0}, B.datum = 5=37] [L989] 1 B.datum = 5 VAL [A={7:0}, arg={0:0}, arg={0:0}, B={9:0}, B.datum = 5=37] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 100 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1430.7ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 727.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.0ms SsaConstructionTime, 107.5ms SatisfiabilityAnalysisTime, 369.4ms InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 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 proved your program to be incorrect! [2021-10-16 23:50:29,565 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 [2021-10-16 23:50:29,763 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...