/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 21:36:47,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 21:36:47,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 21:36:47,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 21:36:47,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 21:36:47,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 21:36:47,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 21:36:47,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 21:36:47,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 21:36:47,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 21:36:47,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 21:36:47,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 21:36:47,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 21:36:47,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 21:36:47,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 21:36:47,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 21:36:47,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 21:36:47,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 21:36:47,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 21:36:47,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 21:36:47,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 21:36:47,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 21:36:47,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 21:36:47,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 21:36:47,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-18 21:36:47,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 21:36:47,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 21:36:47,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 21:36:47,733 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-NewStatesSleep-NoLbe.epf [2022-02-18 21:36:47,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 21:36:47,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 21:36:47,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 21:36:47,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 21:36:47,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 21:36:47,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 21:36:47,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 21:36:47,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 21:36:47,748 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 21:36:47,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 21:36:47,749 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 21:36:47,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 21:36:47,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 21:36:47,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 21:36:47,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 21:36:47,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 21:36:47,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:36:47,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 21:36:47,750 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 21:36:47,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 21:36:47,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 21:36:47,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 21:36:47,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 21:36:47,751 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 21:36:47,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 21:36:47,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 21:36:47,751 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 21:36:47,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 21:36:47,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 21:36:47,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 21:36:47,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 21:36:47,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 21:36:47,937 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 21:36:47,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-02-18 21:36:47,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d92b977/a6bb0465d77641b382c399045ce38f94/FLAGb091434d7 [2022-02-18 21:36:48,371 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 21:36:48,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-02-18 21:36:48,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d92b977/a6bb0465d77641b382c399045ce38f94/FLAGb091434d7 [2022-02-18 21:36:48,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d92b977/a6bb0465d77641b382c399045ce38f94 [2022-02-18 21:36:48,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 21:36:48,399 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 21:36:48,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 21:36:48,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 21:36:48,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 21:36:48,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4047a21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48, skipping insertion in model container [2022-02-18 21:36:48,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 21:36:48,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 21:36:48,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:36:48,628 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 21:36:48,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 21:36:48,675 INFO L208 MainTranslator]: Completed translation [2022-02-18 21:36:48,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48 WrapperNode [2022-02-18 21:36:48,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 21:36:48,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 21:36:48,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 21:36:48,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 21:36:48,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,723 INFO L137 Inliner]: procedures = 163, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-02-18 21:36:48,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 21:36:48,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 21:36:48,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 21:36:48,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 21:36:48,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 21:36:48,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 21:36:48,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 21:36:48,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 21:36:48,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (1/1) ... [2022-02-18 21:36:48,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 21:36:48,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:48,781 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) [2022-02-18 21:36:48,797 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 [2022-02-18 21:36:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 21:36:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 21:36:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 21:36:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 21:36:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 21:36:48,813 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 21:36:48,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 21:36:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 21:36:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 21:36:48,817 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 21:36:48,921 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 21:36:48,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 21:36:49,052 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 21:36:49,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 21:36:49,057 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 21:36:49,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:36:49 BoogieIcfgContainer [2022-02-18 21:36:49,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 21:36:49,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 21:36:49,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 21:36:49,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 21:36:49,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 09:36:48" (1/3) ... [2022-02-18 21:36:49,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f61b5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:36:49, skipping insertion in model container [2022-02-18 21:36:49,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 09:36:48" (2/3) ... [2022-02-18 21:36:49,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f61b5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 09:36:49, skipping insertion in model container [2022-02-18 21:36:49,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 09:36:49" (3/3) ... [2022-02-18 21:36:49,063 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2022-02-18 21:36:49,066 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 21:36:49,066 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 21:36:49,066 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-18 21:36:49,066 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 21:36:49,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,094 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,094 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,102 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,102 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 21:36:49,104 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 21:36:49,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 21:36:49,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 21:36:49,134 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) [2022-02-18 21:36:49,135 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 [2022-02-18 21:36:49,153 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 21:36:49,157 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, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 21:36:49,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-18 21:36:49,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:49,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:49,193 INFO L85 PathProgramCache]: Analyzing trace with hash 799278633, now seen corresponding path program 1 times [2022-02-18 21:36:49,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:49,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398849183] [2022-02-18 21:36:49,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:49,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:49,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398849183] [2022-02-18 21:36:49,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398849183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:49,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:49,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 21:36:49,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503194122] [2022-02-18 21:36:49,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:49,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 21:36:49,310 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:49,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 21:36:49,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 21:36:49,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,328 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:49,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2022-02-18 21:36:49,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 21:36:49,345 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:49,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:49,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1190604631, now seen corresponding path program 1 times [2022-02-18 21:36:49,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:49,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508570890] [2022-02-18 21:36:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:49,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:49,558 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:49,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508570890] [2022-02-18 21:36:49,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508570890] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:49,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:49,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 21:36:49,564 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324723837] [2022-02-18 21:36:49,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:49,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 21:36:49,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:49,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 21:36:49,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:49,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,567 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:49,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2022-02-18 21:36:49,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:49,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 21:36:49,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:49,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:49,625 INFO L85 PathProgramCache]: Analyzing trace with hash 309804383, now seen corresponding path program 1 times [2022-02-18 21:36:49,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:49,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108444851] [2022-02-18 21:36:49,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:49,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:49,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:49,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108444851] [2022-02-18 21:36:49,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108444851] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:49,736 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:49,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 21:36:49,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069592403] [2022-02-18 21:36:49,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:49,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 21:36:49,738 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:49,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 21:36:49,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,739 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:49,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:49,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:49,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:49,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:49,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 21:36:49,833 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:49,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:49,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1252932515, now seen corresponding path program 1 times [2022-02-18 21:36:49,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:49,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128864775] [2022-02-18 21:36:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:49,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:49,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:49,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128864775] [2022-02-18 21:36:49,987 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128864775] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:49,987 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:49,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 21:36:49,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859700988] [2022-02-18 21:36:49,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:49,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 21:36:49,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:49,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 21:36:49,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:49,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,989 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:49,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 21:36:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:49,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-18 21:36:50,096 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2070306136, now seen corresponding path program 1 times [2022-02-18 21:36:50,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:50,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786816840] [2022-02-18 21:36:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:50,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 21:36:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 21:36:50,216 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 21:36:50,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786816840] [2022-02-18 21:36:50,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786816840] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 21:36:50,217 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 21:36:50,217 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 21:36:50,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920161295] [2022-02-18 21:36:50,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 21:36:50,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 21:36:50,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 21:36:50,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 21:36:50,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 21:36:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:50,235 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 21:36:50,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2022-02-18 21:36:50,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:50,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 21:36:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 21:36:50,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-18 21:36:50,373 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 21:36:50,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 21:36:50,374 INFO L85 PathProgramCache]: Analyzing trace with hash -501948914, now seen corresponding path program 1 times [2022-02-18 21:36:50,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 21:36:50,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615148180] [2022-02-18 21:36:50,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 21:36:50,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 21:36:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:36:50,400 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 21:36:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 21:36:50,446 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 21:36:50,446 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 21:36:50,447 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-18 21:36:50,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-18 21:36:50,448 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-18 21:36:50,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-18 21:36:50,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-18 21:36:50,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-18 21:36:50,449 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-18 21:36:50,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-18 21:36:50,453 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-18 21:36:50,457 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 21:36:50,458 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 21:36:50,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 09:36:50 BasicIcfg [2022-02-18 21:36:50,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 21:36:50,495 INFO L158 Benchmark]: Toolchain (without parser) took 2096.43ms. Allocated memory was 210.8MB in the beginning and 255.9MB in the end (delta: 45.1MB). Free memory was 158.9MB in the beginning and 209.9MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 21:36:50,496 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 177.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 21:36:50,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.07ms. Allocated memory is still 210.8MB. Free memory was 158.8MB in the beginning and 179.5MB in the end (delta: -20.7MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-02-18 21:36:50,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.10ms. Allocated memory is still 210.8MB. Free memory was 179.5MB in the beginning and 177.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 21:36:50,497 INFO L158 Benchmark]: Boogie Preprocessor took 28.52ms. Allocated memory is still 210.8MB. Free memory was 177.4MB in the beginning and 175.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 21:36:50,497 INFO L158 Benchmark]: RCFGBuilder took 304.88ms. Allocated memory is still 210.8MB. Free memory was 175.8MB in the beginning and 162.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-18 21:36:50,497 INFO L158 Benchmark]: TraceAbstraction took 1435.80ms. Allocated memory was 210.8MB in the beginning and 255.9MB in the end (delta: 45.1MB). Free memory was 162.2MB in the beginning and 209.9MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 21:36:50,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 210.8MB. Free memory is still 177.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.07ms. Allocated memory is still 210.8MB. Free memory was 158.8MB in the beginning and 179.5MB in the end (delta: -20.7MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.10ms. Allocated memory is still 210.8MB. Free memory was 179.5MB in the beginning and 177.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.52ms. Allocated memory is still 210.8MB. Free memory was 177.4MB in the beginning and 175.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 304.88ms. Allocated memory is still 210.8MB. Free memory was 175.8MB in the beginning and 162.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1435.80ms. Allocated memory was 210.8MB in the beginning and 255.9MB in the end (delta: 45.1MB). Free memory was 162.2MB in the beginning and 209.9MB in the end (delta: -47.7MB). 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: 287, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 258, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 258, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 260, positive: 256, positive conditional: 187, positive unconditional: 69, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 260, positive: 256, positive conditional: 152, positive unconditional: 104, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 260, positive: 256, positive conditional: 152, positive unconditional: 104, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 170, positive: 166, positive conditional: 111, positive unconditional: 55, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 170, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 39, negative conditional: 32, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 260, positive: 90, positive conditional: 41, positive unconditional: 49, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 170, unknown conditional: 113, unknown unconditional: 57] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 166, Positive conditional cache size: 111, Positive unconditional cache size: 55, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Eliminated conditions: 35, Maximal queried relation: 1, Independence queries for same thread: 29 - 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: 694]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=4, data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4, id={2:0}] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=4, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L694] EXPR 0 data[i] VAL [arg={0:0}, data={1:0}, data[i]=0, i=4, id={2:0}] [L694] 0 data[i]++ VAL [arg={0:0}, data={1:0}, data[i]=0, data[i]++=0, data[i]++=41, i=4, id={2:0}] [L686] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=1, data[i]=0, data[i]++=41, data[i]++=0, i=4, id={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[i]++ [694] * C: data[i]++ [694] * C: data[i]++ [694] * C: data[i]++ [694] * C: data[4]++ [686] and C: data[i]++ [694] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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 with 1 thread instances CFG has 3 procedures, 101 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-18 21:36:50,566 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 [2022-02-18 21:36:50,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...