/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/05-lval_ls_13-idxunknown_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 11:08:00,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 11:08:00,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 11:08:00,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 11:08:00,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 11:08:00,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 11:08:00,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 11:08:00,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 11:08:00,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 11:08:00,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 11:08:00,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 11:08:00,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 11:08:00,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 11:08:00,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 11:08:00,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 11:08:00,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 11:08:00,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 11:08:00,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 11:08:00,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 11:08:00,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 11:08:00,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 11:08:00,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 11:08:00,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 11:08:00,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 11:08:00,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 11:08:00,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 11:08:00,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 11:08:00,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 11:08:00,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 11:08:00,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 11:08:00,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 11:08:00,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 11:08:00,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 11:08:00,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 11:08:00,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 11:08:00,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 11:08:00,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 11:08:00,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 11:08:00,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 11:08:00,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 11:08:00,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 11:08:00,674 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 11:08:00,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 11:08:00,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 11:08:00,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 11:08:00,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 11:08:00,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 11:08:00,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 11:08:00,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 11:08:00,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 11:08:00,705 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 11:08:00,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 11:08:00,705 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 11:08:00,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 11:08:00,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 11:08:00,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 11:08:00,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 11:08:00,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:08:00,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 11:08:00,707 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 11:08:00,708 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 11:08:00,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-11 11:08:00,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 11:08:00,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 11:08:00,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 11:08:00,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 11:08:00,908 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 11:08:00,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_13-idxunknown_lock.i [2022-02-11 11:08:00,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605a7ef3c/5a67eb928b684bc396d25605e36ce32b/FLAGf27302ed1 [2022-02-11 11:08:01,375 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 11:08:01,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_13-idxunknown_lock.i [2022-02-11 11:08:01,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605a7ef3c/5a67eb928b684bc396d25605e36ce32b/FLAGf27302ed1 [2022-02-11 11:08:01,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605a7ef3c/5a67eb928b684bc396d25605e36ce32b [2022-02-11 11:08:01,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 11:08:01,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 11:08:01,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 11:08:01,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 11:08:01,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 11:08:01,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d000a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01, skipping insertion in model container [2022-02-11 11:08:01,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 11:08:01,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 11:08:01,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 11:08:01,674 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 11:08:01,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 11:08:01,735 INFO L208 MainTranslator]: Completed translation [2022-02-11 11:08:01,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01 WrapperNode [2022-02-11 11:08:01,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 11:08:01,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 11:08:01,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 11:08:01,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 11:08:01,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,787 INFO L137 Inliner]: procedures = 164, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2022-02-11 11:08:01,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 11:08:01,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 11:08:01,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 11:08:01,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 11:08:01,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 11:08:01,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 11:08:01,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 11:08:01,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 11:08:01,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (1/1) ... [2022-02-11 11:08:01,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:08:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:08:01,831 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 11:08:01,835 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 11:08:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 11:08:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 11:08:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-11 11:08:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 11:08:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 11:08:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-11 11:08:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-11 11:08:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 11:08:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 11:08:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 11:08:01,856 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 11:08:01,936 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 11:08:01,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 11:08:02,115 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 11:08:02,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 11:08:02,120 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-11 11:08:02,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:08:02 BoogieIcfgContainer [2022-02-11 11:08:02,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 11:08:02,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 11:08:02,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 11:08:02,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 11:08:02,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 11:08:01" (1/3) ... [2022-02-11 11:08:02,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ddf864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 11:08:02, skipping insertion in model container [2022-02-11 11:08:02,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 11:08:01" (2/3) ... [2022-02-11 11:08:02,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ddf864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 11:08:02, skipping insertion in model container [2022-02-11 11:08:02,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:08:02" (3/3) ... [2022-02-11 11:08:02,127 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_13-idxunknown_lock.i [2022-02-11 11:08:02,130 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 11:08:02,130 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 11:08:02,130 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-11 11:08:02,130 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 11:08:02,153 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,153 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,153 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,153 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,153 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,153 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,154 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,154 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,154 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,154 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,154 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,154 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,155 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,155 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,156 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,156 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,156 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,156 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,156 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,156 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,157 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,157 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,157 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,157 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,157 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,157 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,158 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,158 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,158 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,158 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,158 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,159 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,159 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,159 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,159 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,160 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,160 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,160 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,160 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,160 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,160 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,160 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,161 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,161 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,163 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,163 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,163 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,163 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,163 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,164 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,164 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,164 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 11:08:02,165 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 11:08:02,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 11:08:02,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:08:02,199 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 11:08:02,200 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 11:08:02,220 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-02-11 11:08:02,224 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 11:08:02,225 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-11 11:08:02,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:02,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:02,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1249990075, now seen corresponding path program 1 times [2022-02-11 11:08:02,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:02,400 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181330082] [2022-02-11 11:08:02,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:02,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:02,505 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 11:08:02,505 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:08:02,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181330082] [2022-02-11 11:08:02,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181330082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:08:02,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:08:02,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 11:08:02,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677488276] [2022-02-11 11:08:02,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:08:02,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 11:08:02,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:08:02,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 11:08:02,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 11:08:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:08:02,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 11:08:02,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 11:08:02,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:02,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:02,550 INFO L85 PathProgramCache]: Analyzing trace with hash -109153718, now seen corresponding path program 1 times [2022-02-11 11:08:02,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:02,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003703149] [2022-02-11 11:08:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:02,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:02,612 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 11:08:02,612 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:08:02,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003703149] [2022-02-11 11:08:02,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003703149] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:08:02,613 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:08:02,613 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:08:02,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184781402] [2022-02-11 11:08:02,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:08:02,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:08:02,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:08:02,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:08:02,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:08:02,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:08:02,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 11:08:02,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:02,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 11:08:02,638 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:02,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:02,639 INFO L85 PathProgramCache]: Analyzing trace with hash 258130399, now seen corresponding path program 1 times [2022-02-11 11:08:02,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:02,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458223455] [2022-02-11 11:08:02,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:02,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:02,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:08:02,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458223455] [2022-02-11 11:08:02,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458223455] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 11:08:02,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492200746] [2022-02-11 11:08:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:02,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 11:08:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:08:02,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 11:08:02,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 11:08:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:02,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-11 11:08:02,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 11:08:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:02,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 11:08:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:02,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492200746] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 11:08:02,943 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 11:08:02,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-11 11:08:02,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519830019] [2022-02-11 11:08:02,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 11:08:02,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-11 11:08:02,944 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:08:02,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-11 11:08:02,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-11 11:08:02,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,946 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:08:02,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 11:08:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:02,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:03,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:03,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:03,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:03,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 11:08:03,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2,ResultService [2022-02-11 11:08:03,248 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:03,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:03,249 INFO L85 PathProgramCache]: Analyzing trace with hash 440631487, now seen corresponding path program 2 times [2022-02-11 11:08:03,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:03,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693798209] [2022-02-11 11:08:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:03,386 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:08:03,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693798209] [2022-02-11 11:08:03,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693798209] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 11:08:03,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181534677] [2022-02-11 11:08:03,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 11:08:03,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 11:08:03,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:08:03,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 11:08:03,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 11:08:03,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-11 11:08:03,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 11:08:03,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-11 11:08:03,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 11:08:03,613 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-11 11:08:03,637 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-02-11 11:08:03,638 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-02-11 11:08:03,674 INFO L353 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2022-02-11 11:08:03,675 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2022-02-11 11:08:03,717 INFO L353 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2022-02-11 11:08:03,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2022-02-11 11:08:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-11 11:08:03,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 11:08:03,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181534677] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:08:03,736 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 11:08:03,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-11 11:08:03,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973974807] [2022-02-11 11:08:03,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:08:03,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 11:08:03,737 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:08:03,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 11:08:03,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-11 11:08:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:03,739 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:08:03,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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 11:08:03,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:03,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:03,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:03,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:03,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-11 11:08:04,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 11:08:04,048 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:04,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1996272196, now seen corresponding path program 1 times [2022-02-11 11:08:04,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:04,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600082375] [2022-02-11 11:08:04,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-11 11:08:04,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:08:04,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600082375] [2022-02-11 11:08:04,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600082375] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:08:04,146 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:08:04,146 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 11:08:04,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004146087] [2022-02-11 11:08:04,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:08:04,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 11:08:04,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:08:04,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 11:08:04,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-11 11:08:04,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:08:04,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 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 11:08:04,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:04,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:04,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:04,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:04,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService [2022-02-11 11:08:04,224 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:04,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:04,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1262768946, now seen corresponding path program 1 times [2022-02-11 11:08:04,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:04,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200691594] [2022-02-11 11:08:04,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:04,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:04,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:08:04,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200691594] [2022-02-11 11:08:04,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200691594] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 11:08:04,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972560378] [2022-02-11 11:08:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:04,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 11:08:04,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:08:04,284 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 11:08:04,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 11:08:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:04,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 11:08:04,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 11:08:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:04,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 11:08:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:04,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972560378] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 11:08:04,561 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 11:08:04,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-11 11:08:04,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183665575] [2022-02-11 11:08:04,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 11:08:04,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-11 11:08:04,562 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:08:04,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-11 11:08:04,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-11 11:08:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,563 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:08:04,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 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 11:08:04,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:04,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:04,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:04,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:04,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 11:08:04,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 11:08:04,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 11:08:04,906 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:04,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:04,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1751611634, now seen corresponding path program 2 times [2022-02-11 11:08:04,907 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:04,907 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407022956] [2022-02-11 11:08:04,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:04,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:08:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:05,036 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:08:05,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407022956] [2022-02-11 11:08:05,036 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407022956] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 11:08:05,036 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185534525] [2022-02-11 11:08:05,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 11:08:05,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 11:08:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:08:05,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 11:08:05,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 11:08:05,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 11:08:05,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 11:08:05,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-11 11:08:05,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 11:08:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:05,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 11:08:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:08:05,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185534525] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 11:08:05,456 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 11:08:05,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-11 11:08:05,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553350634] [2022-02-11 11:08:05,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 11:08:05,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-11 11:08:05,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:08:05,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-11 11:08:05,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-11 11:08:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:05,458 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:08:05,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 23 states have internal predecessors, (105), 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 11:08:05,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:05,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:05,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:05,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:05,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:05,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 11:08:05,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:08:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:08:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 11:08:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 11:08:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 11:08:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-11 11:08:05,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 11:08:05,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,ResultService,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 11:08:05,899 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-02-11 11:08:05,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:08:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash -673114339, now seen corresponding path program 3 times [2022-02-11 11:08:05,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:08:05,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974914480] [2022-02-11 11:08:05,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:08:05,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:08:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 11:08:05,941 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 11:08:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 11:08:05,971 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 11:08:05,971 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 11:08:05,972 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-02-11 11:08:05,973 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-02-11 11:08:05,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-11 11:08:05,975 INFO L733 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2022-02-11 11:08:05,975 INFO L313 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2022-02-11 11:08:05,978 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 11:08:05,978 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 11:08:06,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 11:08:06 BasicIcfg [2022-02-11 11:08:06,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 11:08:06,011 INFO L158 Benchmark]: Toolchain (without parser) took 4603.48ms. Allocated memory was 225.4MB in the beginning and 276.8MB in the end (delta: 51.4MB). Free memory was 167.5MB in the beginning and 224.7MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 11:08:06,011 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 225.4MB. Free memory is still 185.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 11:08:06,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.13ms. Allocated memory was 225.4MB in the beginning and 276.8MB in the end (delta: 51.4MB). Free memory was 167.3MB in the beginning and 239.2MB in the end (delta: -71.9MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-02-11 11:08:06,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.82ms. Allocated memory is still 276.8MB. Free memory was 239.2MB in the beginning and 237.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 11:08:06,011 INFO L158 Benchmark]: Boogie Preprocessor took 22.51ms. Allocated memory is still 276.8MB. Free memory was 237.2MB in the beginning and 235.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 11:08:06,012 INFO L158 Benchmark]: RCFGBuilder took 310.40ms. Allocated memory is still 276.8MB. Free memory was 235.7MB in the beginning and 220.5MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-11 11:08:06,012 INFO L158 Benchmark]: TraceAbstraction took 3887.78ms. Allocated memory is still 276.8MB. Free memory was 219.9MB in the beginning and 224.7MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 11:08:06,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 225.4MB. Free memory is still 185.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.13ms. Allocated memory was 225.4MB in the beginning and 276.8MB in the end (delta: 51.4MB). Free memory was 167.3MB in the beginning and 239.2MB in the end (delta: -71.9MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.82ms. Allocated memory is still 276.8MB. Free memory was 239.2MB in the beginning and 237.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.51ms. Allocated memory is still 276.8MB. Free memory was 237.2MB in the beginning and 235.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 310.40ms. Allocated memory is still 276.8MB. Free memory was 235.7MB in the beginning and 220.5MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 3887.78ms. Allocated memory is still 276.8MB. Free memory was 219.9MB in the beginning and 224.7MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 485, positive: 385, positive conditional: 84, positive unconditional: 301, negative: 100, negative conditional: 84, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1176, positive: 1121, positive conditional: 142, positive unconditional: 979, negative: 55, negative conditional: 6, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1176, positive: 1121, positive conditional: 142, positive unconditional: 979, negative: 55, negative conditional: 6, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1182, positive: 1121, positive conditional: 78, positive unconditional: 1043, negative: 61, negative conditional: 6, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1182, positive: 1121, positive conditional: 70, positive unconditional: 1051, negative: 61, negative conditional: 6, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1182, positive: 1121, positive conditional: 70, positive unconditional: 1051, negative: 61, negative conditional: 6, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 494, positive: 464, positive conditional: 2, positive unconditional: 462, negative: 30, negative conditional: 2, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 494, positive: 415, positive conditional: 0, positive unconditional: 415, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 79, positive: 49, positive conditional: 2, positive unconditional: 47, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 85, positive conditional: 3, positive unconditional: 82, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 69, unknown conditional: 0, unknown unconditional: 69] ], Cache Queries: [ total: 1182, positive: 657, positive conditional: 68, positive unconditional: 589, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 494, unknown conditional: 4, unknown unconditional: 490] , Statistics on independence cache: Total cache size (in pairs): 494, Positive cache size: 464, Positive conditional cache size: 2, Positive unconditional cache size: 462, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Eliminated conditions: 8, Maximal queried relation: 1, Independence queries for same thread: 78 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 57, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 317, positive: 301, positive conditional: 0, positive unconditional: 301, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 485, positive: 385, positive conditional: 84, positive unconditional: 301, negative: 100, negative conditional: 84, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1176, positive: 1121, positive conditional: 142, positive unconditional: 979, negative: 55, negative conditional: 6, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1176, positive: 1121, positive conditional: 142, positive unconditional: 979, negative: 55, negative conditional: 6, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1182, positive: 1121, positive conditional: 78, positive unconditional: 1043, negative: 61, negative conditional: 6, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1182, positive: 1121, positive conditional: 70, positive unconditional: 1051, negative: 61, negative conditional: 6, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1182, positive: 1121, positive conditional: 70, positive unconditional: 1051, negative: 61, negative conditional: 6, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 494, positive: 464, positive conditional: 2, positive unconditional: 462, negative: 30, negative conditional: 2, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 494, positive: 415, positive conditional: 0, positive unconditional: 415, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 79, positive: 49, positive conditional: 2, positive unconditional: 47, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , SemanticIndependenceRelation.Query Time [ms]: [ total: 176, positive: 85, positive conditional: 3, positive unconditional: 82, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 69, unknown conditional: 0, unknown unconditional: 69] ], Cache Queries: [ total: 1182, positive: 657, positive conditional: 68, positive unconditional: 589, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 494, unknown conditional: 4, unknown unconditional: 490] , Statistics on independence cache: Total cache size (in pairs): 494, Positive cache size: 464, Positive conditional cache size: 2, Positive unconditional cache size: 462, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Eliminated conditions: 8, Maximal queried relation: 1, Independence queries for same thread: 78 - 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: 688]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L685] 0 pthread_mutex_t m[10]; VAL [data={1:0}, m={2:0}] [L693] 0 int i = 0; VAL [data={1:0}, i=0, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=0, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=1, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=1, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=2, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=2, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=3, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=3, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=4, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=4, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=5, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=5, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=6, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=6, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=7, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=7, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=8, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=8, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=9, m={2:0}] [L693] COND TRUE 0 i < 10 VAL [data={1:0}, i=9, m={2:0}] [L693] 0 i++ VAL [data={1:0}, i=10, m={2:0}] [L693] COND FALSE 0 !(i < 10) VAL [data={1:0}, i=10, m={2:0}] [L695] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, data={1:0}, i=10, i=0, m={2:0}] [L696] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}, m={2:0}] [L696] RET 0 assume_abort_if_not(0 <= i && i < 10) [L697] 0 pthread_t id; VAL [data={1:0}, i=0, i=10, id={3:0}, m={2:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=10, i=0, id={3:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L688] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, m={2:0}] [L688] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=241, m={2:0}] [L700] EXPR 0 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, data[4]=0, data[4]++=0, data[4]++=241, i=10, i=0, id={3:0}, m={2:0}] [L700] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, data[4]=0, data[4]++=0, data[4]++=241, i=0, i=10, id={3:0}, m={2:0}] [L688] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=241, m={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: data[4]++ [688] * C: data[4]++ [688] * C: data[4]++ [688] * C: data[4]++ [700] * C: data[4]++ [688] and C: data[4]++ [688] - UnprovableResult [Line: 688]: 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, 119 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 77, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 752 NumberOfCodeBlocks, 737 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 1395 SizeOfPredicates, 22 NumberOfNonLiveVariables, 646 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 36/447 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 11:08:06,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-11 11:08:06,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...