/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-FA-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_11-fldsense_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 12:45:22,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 12:45:22,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 12:45:22,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 12:45:22,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 12:45:22,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 12:45:22,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 12:45:22,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 12:45:22,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 12:45:22,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 12:45:22,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 12:45:22,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 12:45:22,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 12:45:22,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 12:45:22,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 12:45:22,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 12:45:22,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 12:45:22,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 12:45:22,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 12:45:22,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 12:45:22,404 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-FA-NoLbe.epf [2022-02-15 12:45:22,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 12:45:22,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 12:45:22,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 12:45:22,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 12:45:22,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 12:45:22,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 12:45:22,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 12:45:22,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 12:45:22,424 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 12:45:22,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 12:45:22,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 12:45:22,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 12:45:22,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:45:22,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 12:45:22,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 12:45:22,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 12:45:22,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-15 12:45:22,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 12:45:22,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 12:45:22,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 12:45:22,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 12:45:22,618 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 12:45:22,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-15 12:45:22,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14fd11bb1/c63117609abc47738a50c02a5ee92d59/FLAGbe369532d [2022-02-15 12:45:23,066 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 12:45:23,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-15 12:45:23,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14fd11bb1/c63117609abc47738a50c02a5ee92d59/FLAGbe369532d [2022-02-15 12:45:23,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14fd11bb1/c63117609abc47738a50c02a5ee92d59 [2022-02-15 12:45:23,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 12:45:23,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 12:45:23,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 12:45:23,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 12:45:23,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 12:45:23,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfe91d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23, skipping insertion in model container [2022-02-15 12:45:23,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 12:45:23,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 12:45:23,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:45:23,370 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 12:45:23,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:45:23,449 INFO L208 MainTranslator]: Completed translation [2022-02-15 12:45:23,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23 WrapperNode [2022-02-15 12:45:23,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 12:45:23,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 12:45:23,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 12:45:23,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 12:45:23,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,500 INFO L137 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-15 12:45:23,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 12:45:23,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 12:45:23,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 12:45:23,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 12:45:23,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 12:45:23,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 12:45:23,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 12:45:23,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 12:45:23,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (1/1) ... [2022-02-15 12:45:23,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:45:23,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:23,566 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) [2022-02-15 12:45:23,586 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 [2022-02-15 12:45:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 12:45:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 12:45:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 12:45:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 12:45:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 12:45:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 12:45:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 12:45:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 12:45:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 12:45:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 12:45:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 12:45:23,598 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 12:45:23,663 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 12:45:23,664 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 12:45:23,842 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 12:45:23,847 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 12:45:23,847 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 12:45:23,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:45:23 BoogieIcfgContainer [2022-02-15 12:45:23,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 12:45:23,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 12:45:23,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 12:45:23,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 12:45:23,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:45:23" (1/3) ... [2022-02-15 12:45:23,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af51737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:45:23, skipping insertion in model container [2022-02-15 12:45:23,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:23" (2/3) ... [2022-02-15 12:45:23,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af51737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:45:23, skipping insertion in model container [2022-02-15 12:45:23,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:45:23" (3/3) ... [2022-02-15 12:45:23,856 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2022-02-15 12:45:23,859 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 12:45:23,859 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 12:45:23,859 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-15 12:45:23,859 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 12:45:23,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,887 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,887 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,887 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,888 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,888 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,888 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,889 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,890 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,891 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,894 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,895 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,896 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,898 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,899 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,901 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,902 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,903 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,909 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,909 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:23,911 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 12:45:23,950 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 12:45:23,957 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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 [2022-02-15 12:45:23,957 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-15 12:45:23,969 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 87 transitions, 179 flow [2022-02-15 12:45:24,037 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 760 states, 752 states have (on average 1.9042553191489362) internal successors, (1432), 759 states have internal predecessors, (1432), 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) [2022-02-15 12:45:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 760 states, 752 states have (on average 1.9042553191489362) internal successors, (1432), 759 states have internal predecessors, (1432), 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) [2022-02-15 12:45:24,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-15 12:45:24,047 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:24,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:45:24,048 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:24,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:24,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1056505186, now seen corresponding path program 1 times [2022-02-15 12:45:24,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:24,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082760461] [2022-02-15 12:45:24,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:24,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:24,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:24,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082760461] [2022-02-15 12:45:24,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082760461] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:24,400 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:45:24,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:45:24,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851122209] [2022-02-15 12:45:24,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:24,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:45:24,405 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:24,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:45:24,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:24,426 INFO L87 Difference]: Start difference. First operand has 760 states, 752 states have (on average 1.9042553191489362) internal successors, (1432), 759 states have internal predecessors, (1432), 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) Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 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) [2022-02-15 12:45:24,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:24,737 INFO L93 Difference]: Finished difference Result 1158 states and 2186 transitions. [2022-02-15 12:45:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:45:24,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 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) Word has length 40 [2022-02-15 12:45:24,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:24,764 INFO L225 Difference]: With dead ends: 1158 [2022-02-15 12:45:24,764 INFO L226 Difference]: Without dead ends: 1158 [2022-02-15 12:45:24,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:24,770 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 180 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:24,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 289 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 12:45:24,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-02-15 12:45:24,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 862. [2022-02-15 12:45:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 855 states have (on average 1.9181286549707601) internal successors, (1640), 861 states have internal predecessors, (1640), 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) [2022-02-15 12:45:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1640 transitions. [2022-02-15 12:45:24,845 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1640 transitions. Word has length 40 [2022-02-15 12:45:24,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:24,845 INFO L470 AbstractCegarLoop]: Abstraction has 862 states and 1640 transitions. [2022-02-15 12:45:24,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 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) [2022-02-15 12:45:24,845 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1640 transitions. [2022-02-15 12:45:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-15 12:45:24,848 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:24,848 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:45:24,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 12:45:24,848 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash -345711001, now seen corresponding path program 1 times [2022-02-15 12:45:24,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:24,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599974329] [2022-02-15 12:45:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:24,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:25,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:25,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599974329] [2022-02-15 12:45:25,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599974329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:25,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:45:25,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:45:25,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894510066] [2022-02-15 12:45:25,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:25,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:45:25,008 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:25,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:45:25,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:25,008 INFO L87 Difference]: Start difference. First operand 862 states and 1640 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-15 12:45:25,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:25,167 INFO L93 Difference]: Finished difference Result 1167 states and 2198 transitions. [2022-02-15 12:45:25,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:45:25,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) Word has length 48 [2022-02-15 12:45:25,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:25,173 INFO L225 Difference]: With dead ends: 1167 [2022-02-15 12:45:25,173 INFO L226 Difference]: Without dead ends: 947 [2022-02-15 12:45:25,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:25,178 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 108 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:25,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 296 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 12:45:25,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2022-02-15 12:45:25,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 769. [2022-02-15 12:45:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 762 states have (on average 1.8884514435695539) internal successors, (1439), 768 states have internal predecessors, (1439), 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) [2022-02-15 12:45:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1439 transitions. [2022-02-15 12:45:25,208 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1439 transitions. Word has length 48 [2022-02-15 12:45:25,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:25,208 INFO L470 AbstractCegarLoop]: Abstraction has 769 states and 1439 transitions. [2022-02-15 12:45:25,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-15 12:45:25,209 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1439 transitions. [2022-02-15 12:45:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-15 12:45:25,210 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:25,210 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:45:25,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 12:45:25,211 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:25,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:25,211 INFO L85 PathProgramCache]: Analyzing trace with hash -516503582, now seen corresponding path program 1 times [2022-02-15 12:45:25,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:25,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677939025] [2022-02-15 12:45:25,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:25,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:25,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:25,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677939025] [2022-02-15 12:45:25,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677939025] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:25,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:45:25,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 12:45:25,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780363496] [2022-02-15 12:45:25,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:25,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 12:45:25,297 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:25,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 12:45:25,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:25,298 INFO L87 Difference]: Start difference. First operand 769 states and 1439 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:45:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:25,446 INFO L93 Difference]: Finished difference Result 968 states and 1777 transitions. [2022-02-15 12:45:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 12:45:25,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-02-15 12:45:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:25,449 INFO L225 Difference]: With dead ends: 968 [2022-02-15 12:45:25,450 INFO L226 Difference]: Without dead ends: 821 [2022-02-15 12:45:25,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:25,455 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 84 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:25,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 252 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 12:45:25,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2022-02-15 12:45:25,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 704. [2022-02-15 12:45:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 697 states have (on average 1.842180774748924) internal successors, (1284), 703 states have internal predecessors, (1284), 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) [2022-02-15 12:45:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1284 transitions. [2022-02-15 12:45:25,472 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1284 transitions. Word has length 49 [2022-02-15 12:45:25,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:25,472 INFO L470 AbstractCegarLoop]: Abstraction has 704 states and 1284 transitions. [2022-02-15 12:45:25,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:45:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1284 transitions. [2022-02-15 12:45:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-15 12:45:25,483 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:25,484 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:45:25,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 12:45:25,484 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:25,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:25,485 INFO L85 PathProgramCache]: Analyzing trace with hash 305784178, now seen corresponding path program 1 times [2022-02-15 12:45:25,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:25,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83024070] [2022-02-15 12:45:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:25,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:45:25,516 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 12:45:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:45:25,554 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 12:45:25,554 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 12:45:25,555 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-15 12:45:25,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-15 12:45:25,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-15 12:45:25,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-15 12:45:25,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-15 12:45:25,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-15 12:45:25,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-15 12:45:25,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 12:45:25,559 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-15 12:45:25,562 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 12:45:25,562 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 12:45:25,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:45:25 BasicIcfg [2022-02-15 12:45:25,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 12:45:25,591 INFO L158 Benchmark]: Toolchain (without parser) took 2496.78ms. Allocated memory was 184.5MB in the beginning and 223.3MB in the end (delta: 38.8MB). Free memory was 132.2MB in the beginning and 121.8MB in the end (delta: 10.4MB). Peak memory consumption was 50.5MB. Max. memory is 8.0GB. [2022-02-15 12:45:25,592 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:45:25,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.59ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 151.6MB in the end (delta: -19.6MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-02-15 12:45:25,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.34ms. Allocated memory is still 184.5MB. Free memory was 151.6MB in the beginning and 149.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 12:45:25,592 INFO L158 Benchmark]: Boogie Preprocessor took 34.66ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 148.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 12:45:25,593 INFO L158 Benchmark]: RCFGBuilder took 312.28ms. Allocated memory is still 184.5MB. Free memory was 148.0MB in the beginning and 134.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-15 12:45:25,593 INFO L158 Benchmark]: TraceAbstraction took 1741.49ms. Allocated memory was 184.5MB in the beginning and 223.3MB in the end (delta: 38.8MB). Free memory was 133.8MB in the beginning and 121.8MB in the end (delta: 12.0MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. [2022-02-15 12:45:25,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.59ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 151.6MB in the end (delta: -19.6MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.34ms. Allocated memory is still 184.5MB. Free memory was 151.6MB in the beginning and 149.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.66ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 148.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 312.28ms. Allocated memory is still 184.5MB. Free memory was 148.0MB in the beginning and 134.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1741.49ms. Allocated memory was 184.5MB in the beginning and 223.3MB in the end (delta: 38.8MB). Free memory was 133.8MB in the beginning and 121.8MB in the end (delta: 12.0MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 struct { int x; int y; } data; VAL [data={1:0}] [L680] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [data={1:0}, m={2:0}] [L690] 0 pthread_t id; VAL [data={1:0}, id={5:0}, m={2:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] EXPR 0 data.x VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=49, data.x++=0, id={5:0}, m={2:0}] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=1, data.x++=49, data.x++=0, id={5:0}, 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.x++ [693] * C: data.x++ [693] * C: data.x++ [693] * C: data.x++ [693] * C: data.x++ [683] and C: data.x++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 372 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 837 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 491 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 613 IncrementalHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 349 mSDtfsCounter, 613 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=862occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 591 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-15 12:45:25,650 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...