/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_55-pt_rwlock_rr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 11:07:33,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 11:07:33,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 11:07:33,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-11 11:07:33,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 11:07:33,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 11:07:33,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 11:07:33,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 11:07:33,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 11:07:33,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 11:07:33,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 11:07:33,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 11:07:33,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 11:07:33,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 11:07:33,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 11:07:33,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 11:07:33,505 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 11:07:33,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 11:07:33,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 11:07:33,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 11:07:33,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 11:07:33,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 11:07:33,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 11:07:33,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 11:07:33,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 11:07:33,507 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 11:07:33,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 11:07:33,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 11:07:33,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 11:07:33,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 11:07:33,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 11:07:33,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 11:07:33,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:07:33,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 11:07:33,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 11:07:33,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 11:07:33,510 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 11:07:33,510 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 11:07:33,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-11 11:07:33,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 11:07:33,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 11:07:33,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 11:07:33,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 11:07:33,710 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 11:07:33,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-02-11 11:07:33,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe315945/ba1d50d9e50545c8a9cc8f3f7ffeebe8/FLAGd7d527947 [2022-02-11 11:07:34,140 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 11:07:34,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-02-11 11:07:34,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe315945/ba1d50d9e50545c8a9cc8f3f7ffeebe8/FLAGd7d527947 [2022-02-11 11:07:34,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efe315945/ba1d50d9e50545c8a9cc8f3f7ffeebe8 [2022-02-11 11:07:34,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 11:07:34,514 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 11:07:34,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 11:07:34,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 11:07:34,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 11:07:34,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:34,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f44e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34, skipping insertion in model container [2022-02-11 11:07:34,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:34,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 11:07:34,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 11:07:34,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 11:07:34,879 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 11:07:34,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 11:07:34,941 INFO L208 MainTranslator]: Completed translation [2022-02-11 11:07:34,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34 WrapperNode [2022-02-11 11:07:34,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 11:07:34,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 11:07:34,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 11:07:34,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 11:07:34,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:34,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:34,978 INFO L137 Inliner]: procedures = 263, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-02-11 11:07:34,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 11:07:34,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 11:07:34,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 11:07:34,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 11:07:34,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:34,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:35,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:35,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:35,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:35,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:35,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:35,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 11:07:35,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 11:07:35,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 11:07:35,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 11:07:35,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (1/1) ... [2022-02-11 11:07:35,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:07:35,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:07:35,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 11:07:35,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 11:07:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2022-02-11 11:07:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 11:07:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 11:07:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-02-11 11:07:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 11:07:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 11:07:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 11:07:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-11 11:07:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-11 11:07:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 11:07:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 11:07:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 11:07:35,079 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 11:07:35,162 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 11:07:35,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 11:07:35,345 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 11:07:35,350 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 11:07:35,350 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 11:07:35,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:07:35 BoogieIcfgContainer [2022-02-11 11:07:35,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 11:07:35,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 11:07:35,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 11:07:35,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 11:07:35,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 11:07:34" (1/3) ... [2022-02-11 11:07:35,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aac0435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 11:07:35, skipping insertion in model container [2022-02-11 11:07:35,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:07:34" (2/3) ... [2022-02-11 11:07:35,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aac0435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 11:07:35, skipping insertion in model container [2022-02-11 11:07:35,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:07:35" (3/3) ... [2022-02-11 11:07:35,357 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_55-pt_rwlock_rr.i [2022-02-11 11:07:35,361 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 11:07:35,361 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 11:07:35,361 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-11 11:07:35,361 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 11:07:35,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,391 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,392 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,392 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,392 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,392 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,392 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,393 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,394 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,395 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,396 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,396 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,396 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,396 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,396 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,396 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,396 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,399 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,399 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,399 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,399 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,399 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,399 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,399 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,400 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,400 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:07:35,402 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-11 11:07:35,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 11:07:35,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:07:35,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 11:07:35,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 11:07:35,489 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-02-11 11:07:35,494 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 11:07:35,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 11:07:35,621 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:07:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:07:35,629 INFO L85 PathProgramCache]: Analyzing trace with hash 827672691, now seen corresponding path program 1 times [2022-02-11 11:07:35,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:07:35,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642692652] [2022-02-11 11:07:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:07:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:07:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:07:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:07:35,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:07:35,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642692652] [2022-02-11 11:07:35,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642692652] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:07:35,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:07:35,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 11:07:35,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381423342] [2022-02-11 11:07:35,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:07:35,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:07:35,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:07:35,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:07:35,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:07:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:07:35,920 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:07:35,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 11:07:35,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:07:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 11:07:36,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:07:36,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:07:36,007 INFO L85 PathProgramCache]: Analyzing trace with hash 164654098, now seen corresponding path program 1 times [2022-02-11 11:07:36,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:07:36,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696021184] [2022-02-11 11:07:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:07:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:07:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:07:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:07:36,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:07:36,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696021184] [2022-02-11 11:07:36,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696021184] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:07:36,059 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:07:36,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 11:07:36,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150121186] [2022-02-11 11:07:36,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:07:36,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:07:36,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:07:36,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:07:36,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:07:36,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:07:36,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:07:36,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 11:07:36,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:07:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 11:07:36,131 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:07:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:07:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 259854937, now seen corresponding path program 1 times [2022-02-11 11:07:36,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:07:36,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153586274] [2022-02-11 11:07:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:07:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:07:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:07:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:07:36,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:07:36,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153586274] [2022-02-11 11:07:36,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153586274] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:07:36,177 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:07:36,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 11:07:36,177 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162223229] [2022-02-11 11:07:36,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:07:36,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:07:36,178 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:07:36,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:07:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:07:36,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:07:36,180 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:07:36,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 11:07:36,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:07:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:07:36,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 11:07:36,288 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:07:36,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:07:36,289 INFO L85 PathProgramCache]: Analyzing trace with hash 24541264, now seen corresponding path program 1 times [2022-02-11 11:07:36,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:07:36,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360516675] [2022-02-11 11:07:36,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:07:36,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:07:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 11:07:36,323 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 11:07:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 11:07:36,361 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 11:07:36,361 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 11:07:36,362 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-02-11 11:07:36,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-02-11 11:07:36,366 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 3 remaining) [2022-02-11 11:07:36,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-11 11:07:36,390 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-11 11:07:36,393 INFO L313 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2022-02-11 11:07:36,397 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 11:07:36,397 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 11:07:36,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 11:07:36 BasicIcfg [2022-02-11 11:07:36,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 11:07:36,438 INFO L158 Benchmark]: Toolchain (without parser) took 1922.20ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 147.8MB in the beginning and 210.2MB in the end (delta: -62.4MB). Peak memory consumption was 89.6MB. Max. memory is 8.0GB. [2022-02-11 11:07:36,438 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory was 165.7MB in the beginning and 165.6MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 11:07:36,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.52ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 159.3MB in the end (delta: -11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-11 11:07:36,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.41ms. Allocated memory is still 200.3MB. Free memory was 158.8MB in the beginning and 156.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 11:07:36,441 INFO L158 Benchmark]: Boogie Preprocessor took 43.03ms. Allocated memory is still 200.3MB. Free memory was 156.7MB in the beginning and 155.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 11:07:36,441 INFO L158 Benchmark]: RCFGBuilder took 329.50ms. Allocated memory is still 200.3MB. Free memory was 155.1MB in the beginning and 142.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-11 11:07:36,442 INFO L158 Benchmark]: TraceAbstraction took 1083.06ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 141.5MB in the beginning and 210.2MB in the end (delta: -68.7MB). Peak memory consumption was 83.3MB. Max. memory is 8.0GB. [2022-02-11 11:07:36,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 200.3MB. Free memory was 165.7MB in the beginning and 165.6MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 426.52ms. Allocated memory is still 200.3MB. Free memory was 147.5MB in the beginning and 159.3MB in the end (delta: -11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.41ms. Allocated memory is still 200.3MB. Free memory was 158.8MB in the beginning and 156.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.03ms. Allocated memory is still 200.3MB. Free memory was 156.7MB in the beginning and 155.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 329.50ms. Allocated memory is still 200.3MB. Free memory was 155.1MB in the beginning and 142.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1083.06ms. Allocated memory was 200.3MB in the beginning and 241.2MB in the end (delta: 40.9MB). Free memory was 141.5MB in the beginning and 210.2MB in the end (delta: -68.7MB). Peak memory consumption was 83.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512, positive: 494, positive conditional: 48, positive unconditional: 446, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1348, positive: 1326, positive conditional: 84, positive unconditional: 1242, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1348, positive: 1326, positive conditional: 84, positive unconditional: 1242, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1350, positive: 1326, positive conditional: 58, positive unconditional: 1268, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1350, positive: 1326, positive conditional: 38, positive unconditional: 1288, negative: 24, negative conditional: 1, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1350, positive: 1326, positive conditional: 38, positive unconditional: 1288, negative: 24, negative conditional: 1, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 795, positive: 782, positive conditional: 2, positive unconditional: 780, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 795, positive: 747, positive conditional: 0, positive unconditional: 747, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 35, positive conditional: 2, positive unconditional: 33, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 59, positive conditional: 3, positive unconditional: 56, negative: 13, negative conditional: 1, negative unconditional: 13, unknown: 33, unknown conditional: 0, unknown unconditional: 33] ], Cache Queries: [ total: 1350, positive: 544, positive conditional: 36, positive unconditional: 508, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 795, unknown conditional: 3, unknown unconditional: 792] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 782, Positive conditional cache size: 2, Positive unconditional cache size: 780, Negative cache size: 13, Negative conditional cache size: 1, Negative unconditional cache size: 12, Eliminated conditions: 21, Maximal queried relation: 2, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 64, Number of trivial persistent sets: 55, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 457, positive: 446, positive conditional: 0, positive unconditional: 446, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512, positive: 494, positive conditional: 48, positive unconditional: 446, negative: 18, negative conditional: 7, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1348, positive: 1326, positive conditional: 84, positive unconditional: 1242, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1348, positive: 1326, positive conditional: 84, positive unconditional: 1242, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1350, positive: 1326, positive conditional: 58, positive unconditional: 1268, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1350, positive: 1326, positive conditional: 38, positive unconditional: 1288, negative: 24, negative conditional: 1, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1350, positive: 1326, positive conditional: 38, positive unconditional: 1288, negative: 24, negative conditional: 1, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 795, positive: 782, positive conditional: 2, positive unconditional: 780, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 795, positive: 747, positive conditional: 0, positive unconditional: 747, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 35, positive conditional: 2, positive unconditional: 33, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 59, positive conditional: 3, positive unconditional: 56, negative: 13, negative conditional: 1, negative unconditional: 13, unknown: 33, unknown conditional: 0, unknown unconditional: 33] ], Cache Queries: [ total: 1350, positive: 544, positive conditional: 36, positive unconditional: 508, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 795, unknown conditional: 3, unknown unconditional: 792] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 782, Positive conditional cache size: 2, Positive unconditional cache size: 780, Negative cache size: 13, Negative conditional cache size: 1, Negative unconditional cache size: 12, Eliminated conditions: 21, Maximal queried relation: 2, Independence queries for same thread: 6 - 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: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 static int data1; VAL [data1=0] [L918] 0 static int data2; VAL [data1=0, data2=0] [L919] 0 static pthread_rwlock_t rwlock = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; VAL [data1=0, data2=0, rwlock={3:0}] [L928] 0 pthread_t id; VAL [data1=0, data2=0, id={5:0}, rwlock={3:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data1=0, data2=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, rwlock={3:0}] [L922] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=1, data2=0, rwlock={3:0}] [L931] 0 printf("%d",data1) VAL [arg={0:0}, arg={0:0}, data1=1, data2=0, id={5:0}, rwlock={3:0}] [L932] 0 data2++ VAL [arg={0:0}, arg={0:0}, data1=1, data2=1, data2++=0, data2++=102, id={5:0}, rwlock={3:0}] [L923] 1 printf("%d",data2) VAL [arg={0:0}, arg={0:0}, data1=1, data2=1, rwlock={3:0}] Now there is a data race on ~data2~0 between C: data2++ [932] and C: printf("%d",data2) [923] - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 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 [2022-02-11 11:07:36,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 11:07:36,706 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...