/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/04-mutex_37-indirect_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 01:10:15,801 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-01-29 01:10:15,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 01:10:15,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 01:10:15,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 01:10:15,908 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 [2022-01-29 01:10:15,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 01:10:15,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 01:10:15,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 01:10:15,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 01:10:15,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 01:10:15,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 01:10:15,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 01:10:15,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 01:10:15,926 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 01:10:15,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 01:10:15,927 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 01:10:15,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 01:10:15,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 01:10:15,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 01:10:15,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 01:10:15,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 01:10:15,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 01:10:15,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 01:10:15,929 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-29 01:10:15,930 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-29 01:10:15,930 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-01-29 01:10:16,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 01:10:16,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 01:10:16,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 01:10:16,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 01:10:16,159 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 01:10:16,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_37-indirect_rc.i [2022-01-29 01:10:16,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c8ac907/efe41362053f4a76914f2978c4f5c2d2/FLAG482388a73 [2022-01-29 01:10:16,598 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 01:10:16,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_37-indirect_rc.i [2022-01-29 01:10:16,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c8ac907/efe41362053f4a76914f2978c4f5c2d2/FLAG482388a73 [2022-01-29 01:10:16,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c8ac907/efe41362053f4a76914f2978c4f5c2d2 [2022-01-29 01:10:16,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 01:10:16,955 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 01:10:16,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 01:10:16,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 01:10:16,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 01:10:16,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 01:10:16" (1/1) ... [2022-01-29 01:10:16,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a07c51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:16, skipping insertion in model container [2022-01-29 01:10:16,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 01:10:16" (1/1) ... [2022-01-29 01:10:16,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 01:10:17,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 01:10:17,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 01:10:17,276 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 01:10:17,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 01:10:17,358 INFO L208 MainTranslator]: Completed translation [2022-01-29 01:10:17,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17 WrapperNode [2022-01-29 01:10:17,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 01:10:17,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 01:10:17,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 01:10:17,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 01:10:17,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,409 INFO L137 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2022-01-29 01:10:17,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 01:10:17,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 01:10:17,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 01:10:17,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 01:10:17,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 01:10:17,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 01:10:17,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 01:10:17,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 01:10:17,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (1/1) ... [2022-01-29 01:10:17,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 01:10:17,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 01:10:17,511 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) [2022-01-29 01:10:17,517 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 [2022-01-29 01:10:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-29 01:10:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 01:10:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-29 01:10:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 01:10:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 01:10:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-29 01:10:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-29 01:10:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 01:10:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 01:10:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 01:10:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 01:10:17,539 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 01:10:17,667 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 01:10:17,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 01:10:17,924 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 01:10:17,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 01:10:17,929 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 01:10:17,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 01:10:17 BoogieIcfgContainer [2022-01-29 01:10:17,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 01:10:17,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 01:10:17,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 01:10:17,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 01:10:17,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 01:10:16" (1/3) ... [2022-01-29 01:10:17,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa2ff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 01:10:17, skipping insertion in model container [2022-01-29 01:10:17,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 01:10:17" (2/3) ... [2022-01-29 01:10:17,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa2ff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 01:10:17, skipping insertion in model container [2022-01-29 01:10:17,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 01:10:17" (3/3) ... [2022-01-29 01:10:17,940 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_37-indirect_rc.i [2022-01-29 01:10:17,944 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 01:10:17,944 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 01:10:17,944 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-01-29 01:10:17,945 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 01:10:17,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,971 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,971 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,971 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,994 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,994 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:10:17,998 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-29 01:10:18,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 01:10:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 01:10:18,061 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) [2022-01-29 01:10:18,068 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 [2022-01-29 01:10:18,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-01-29 01:10:18,116 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 [2022-01-29 01:10:18,117 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-29 01:10:18,170 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-01-29 01:10:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 01:10:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash -159277023, now seen corresponding path program 1 times [2022-01-29 01:10:18,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 01:10:18,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893445478] [2022-01-29 01:10:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 01:10:18,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 01:10:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 01:10:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 01:10:18,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 01:10:18,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893445478] [2022-01-29 01:10:18,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893445478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 01:10:18,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 01:10:18,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-29 01:10:18,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390841596] [2022-01-29 01:10:18,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 01:10:18,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 01:10:18,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 01:10:18,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 01:10:18,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 01:10:18,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 01:10:18,378 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 01:10:18,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-01-29 01:10:18,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 01:10:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 01:10:18,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 01:10:18,470 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-01-29 01:10:18,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 01:10:18,470 INFO L85 PathProgramCache]: Analyzing trace with hash -932716891, now seen corresponding path program 1 times [2022-01-29 01:10:18,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 01:10:18,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7155757] [2022-01-29 01:10:18,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 01:10:18,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 01:10:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 01:10:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 01:10:18,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 01:10:18,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7155757] [2022-01-29 01:10:18,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7155757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 01:10:18,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 01:10:18,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-29 01:10:18,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175192035] [2022-01-29 01:10:18,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 01:10:18,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-29 01:10:18,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 01:10:18,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-29 01:10:18,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-29 01:10:18,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 01:10:18,605 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 01:10:18,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 01:10:18,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 01:10:18,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 01:10:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 01:10:18,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 01:10:18,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 01:10:18,690 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-01-29 01:10:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 01:10:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash 902304810, now seen corresponding path program 1 times [2022-01-29 01:10:18,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 01:10:18,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983491822] [2022-01-29 01:10:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 01:10:18,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 01:10:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 01:10:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 01:10:18,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 01:10:18,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983491822] [2022-01-29 01:10:18,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983491822] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 01:10:18,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 01:10:18,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-29 01:10:18,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772471403] [2022-01-29 01:10:18,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 01:10:18,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-29 01:10:18,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 01:10:18,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-29 01:10:18,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-01-29 01:10:18,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 01:10:18,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 01:10:18,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 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) [2022-01-29 01:10:18,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 01:10:18,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-29 01:10:18,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 01:10:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 01:10:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 01:10:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-29 01:10:18,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-29 01:10:18,924 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-01-29 01:10:18,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 01:10:18,925 INFO L85 PathProgramCache]: Analyzing trace with hash 324015620, now seen corresponding path program 1 times [2022-01-29 01:10:18,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 01:10:18,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748189028] [2022-01-29 01:10:18,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 01:10:18,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 01:10:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 01:10:18,952 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-29 01:10:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 01:10:18,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-29 01:10:18,995 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-29 01:10:18,996 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-01-29 01:10:18,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-01-29 01:10:18,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 3 remaining) [2022-01-29 01:10:18,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-29 01:10:19,002 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-29 01:10:19,003 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2022-01-29 01:10:19,006 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 01:10:19,006 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 01:10:19,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 01:10:19 BasicIcfg [2022-01-29 01:10:19,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 01:10:19,054 INFO L158 Benchmark]: Toolchain (without parser) took 2099.11ms. Allocated memory was 186.6MB in the beginning and 247.5MB in the end (delta: 60.8MB). Free memory was 127.8MB in the beginning and 111.7MB in the end (delta: 16.1MB). Peak memory consumption was 76.8MB. Max. memory is 8.0GB. [2022-01-29 01:10:19,054 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 01:10:19,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.18ms. Allocated memory was 186.6MB in the beginning and 247.5MB in the end (delta: 60.8MB). Free memory was 127.5MB in the beginning and 210.8MB in the end (delta: -83.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-01-29 01:10:19,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.49ms. Allocated memory is still 247.5MB. Free memory was 210.8MB in the beginning and 208.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 01:10:19,058 INFO L158 Benchmark]: Boogie Preprocessor took 41.50ms. Allocated memory is still 247.5MB. Free memory was 208.7MB in the beginning and 207.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 01:10:19,058 INFO L158 Benchmark]: RCFGBuilder took 478.10ms. Allocated memory is still 247.5MB. Free memory was 207.1MB in the beginning and 191.9MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-29 01:10:19,059 INFO L158 Benchmark]: TraceAbstraction took 1121.64ms. Allocated memory is still 247.5MB. Free memory was 191.4MB in the beginning and 111.7MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2022-01-29 01:10:19,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 186.6MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.18ms. Allocated memory was 186.6MB in the beginning and 247.5MB in the end (delta: 60.8MB). Free memory was 127.5MB in the beginning and 210.8MB in the end (delta: -83.2MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.49ms. Allocated memory is still 247.5MB. Free memory was 210.8MB in the beginning and 208.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.50ms. Allocated memory is still 247.5MB. Free memory was 208.7MB in the beginning and 207.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 478.10ms. Allocated memory is still 247.5MB. Free memory was 207.1MB in the beginning and 191.9MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1121.64ms. Allocated memory is still 247.5MB. Free memory was 191.4MB in the beginning and 111.7MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 523, positive: 496, positive conditional: 73, positive unconditional: 423, negative: 27, negative conditional: 12, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 496, positive conditional: 73, positive unconditional: 423, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 514, positive: 496, positive conditional: 73, positive unconditional: 423, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 518, positive: 496, positive conditional: 55, positive unconditional: 441, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 518, positive: 496, positive conditional: 35, positive unconditional: 461, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 518, positive: 496, positive conditional: 35, positive unconditional: 461, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 441, positive: 424, positive conditional: 1, positive unconditional: 423, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 441, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 18, positive conditional: 1, positive unconditional: 17, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 27, positive conditional: 2, positive unconditional: 25, negative: 60, negative conditional: 3, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 518, positive: 72, positive conditional: 34, positive unconditional: 38, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 441, unknown conditional: 2, unknown unconditional: 439] , Statistics on independence cache: Total cache size (in pairs): 441, Positive cache size: 424, Positive conditional cache size: 1, Positive unconditional cache size: 423, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 23, Maximal queried relation: 2, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 64, Number of trivial persistent sets: 57, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 438, positive: 423, positive conditional: 0, positive unconditional: 423, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 523, positive: 496, positive conditional: 73, positive unconditional: 423, negative: 27, negative conditional: 12, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 496, positive conditional: 73, positive unconditional: 423, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 514, positive: 496, positive conditional: 73, positive unconditional: 423, negative: 18, negative conditional: 3, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 518, positive: 496, positive conditional: 55, positive unconditional: 441, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 518, positive: 496, positive conditional: 35, positive unconditional: 461, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 518, positive: 496, positive conditional: 35, positive unconditional: 461, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 441, positive: 424, positive conditional: 1, positive unconditional: 423, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 441, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 18, positive conditional: 1, positive unconditional: 17, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 27, positive conditional: 2, positive unconditional: 25, negative: 60, negative conditional: 3, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 518, positive: 72, positive conditional: 34, positive unconditional: 38, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 441, unknown conditional: 2, unknown unconditional: 439] , Statistics on independence cache: Total cache size (in pairs): 441, Positive cache size: 424, Positive conditional cache size: 1, Positive unconditional cache size: 423, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 23, Maximal queried relation: 2, Independence queries for same thread: 9 - 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: 685]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int g; VAL [g={1:0}] [L680] 0 int *g1; VAL [g={1:0}, g1={0:0}] [L681] 0 int *g2; VAL [g={1:0}, g1={0:0}, g2={0:0}] [L682] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [g={1:0}, g1={0:0}, g2={0:0}, mutex={2:0}] [L690] 0 pthread_t id; VAL [g={1:0}, g1={0:0}, g2={0:0}, id={5:0}, mutex={2:0}] [L691] 0 int x; VAL [g={1:0}, g1={0:0}, g2={0:0}, id={5:0}, mutex={2:0}] [L692] EXPR 0 g2 = &g VAL [g={1:0}, g1={0:0}, g2={1:0}, g2 = &g=25, id={5:0}, mutex={2:0}] [L692] 0 g1 = g2 = &g VAL [g={1:0}, g1={1:0}, g1 = g2 = &g=26, g2={1:0}, g2 = &g=25, id={5:0}, mutex={2:0}] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] EXPR 1 *g1 VAL [arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, mutex={2:0}] [L685] EXPR 1 \read(*g1) VAL [\read(*g1)=0, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [(*g1)++=27, (*g1)++=0, \read(*g1)=0, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, mutex={2:0}] [L694] EXPR 0 *g2 VAL [(*g1)++=27, (*g1)++=0, \read(*g1)=0, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}] [L694] EXPR 0 \read(*g2) VAL [(*g1)++=27, (*g1)++=0, \read(*g1)=0, \read(*g2)=1, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}] [L694] 0 (*g2)++ VAL [(*g1)++=27, (*g1)++=0, \read(*g1)=0, \read(*g2)=1, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, id={5:0}, mutex={2:0}] [L685] 1 (*g1)++ VAL [(*g1)++=27, (*g1)++=0, \read(*g1)=0, arg={0:0}, arg={0:0}, g={1:0}, g1={1:0}, g2={1:0}, mutex={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: (*g2)++ [694] * C: *g2 [694] * C: g1 = g2 = &g [692] * C: *g1 [685] * C: g2 = &g [692] * C: (*g1)++ [685] * C: (*g1)++ [685] * C: (*g1)++ [685] * C: g1 = g2 = &g [692] * C: (*g1)++ [685] and C: (*g1)++ [685] - UnprovableResult [Line: 685]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 140 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, 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: 15, 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, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-29 01:10:19,137 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 [2022-01-29 01:10:19,332 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...