/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-MCRwithDepranks.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/03-practical_15-exit_problems.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 17:59:16,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 17:59:16,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 17:59:16,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 17:59:17,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 17:59:17,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 17:59:17,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 17:59:17,079 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-MCRwithDepranks.epf [2022-02-09 17:59:17,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 17:59:17,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 17:59:17,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 17:59:17,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 17:59:17,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 17:59:17,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 17:59:17,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 17:59:17,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 17:59:17,131 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 17:59:17,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 17:59:17,132 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 17:59:17,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 17:59:17,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 17:59:17,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 17:59:17,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 17:59:17,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 17:59:17,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 17:59:17,133 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 17:59:17,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 17:59:17,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 17:59:17,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 17:59:17,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 17:59:17,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 17:59:17,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 17:59:17,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 17:59:17,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 17:59:17,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 17:59:17,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 17:59:17,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 17:59:17,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 17:59:17,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 17:59:17,135 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 17:59:17,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 17:59:17,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 17:59:17,136 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 17:59:17,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 17:59:17,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 17:59:17,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 17:59:17,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 17:59:17,408 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 17:59:17,408 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 17:59:17,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-02-09 17:59:17,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e4cec2f/2baa6668418c4d338a47184f60be0a0d/FLAGce816ab55 [2022-02-09 17:59:18,030 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 17:59:18,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-02-09 17:59:18,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e4cec2f/2baa6668418c4d338a47184f60be0a0d/FLAGce816ab55 [2022-02-09 17:59:18,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4e4cec2f/2baa6668418c4d338a47184f60be0a0d [2022-02-09 17:59:18,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 17:59:18,441 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 17:59:18,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 17:59:18,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 17:59:18,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 17:59:18,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:59:18" (1/1) ... [2022-02-09 17:59:18,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422a246b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:18, skipping insertion in model container [2022-02-09 17:59:18,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:59:18" (1/1) ... [2022-02-09 17:59:18,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 17:59:18,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 17:59:18,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 17:59:18,924 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 17:59:18,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 17:59:19,026 INFO L208 MainTranslator]: Completed translation [2022-02-09 17:59:19,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19 WrapperNode [2022-02-09 17:59:19,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 17:59:19,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 17:59:19,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 17:59:19,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 17:59:19,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,085 INFO L137 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-02-09 17:59:19,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 17:59:19,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 17:59:19,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 17:59:19,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 17:59:19,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 17:59:19,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 17:59:19,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 17:59:19,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 17:59:19,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (1/1) ... [2022-02-09 17:59:19,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 17:59:19,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:59:19,165 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) [2022-02-09 17:59:19,186 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 [2022-02-09 17:59:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 17:59:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 17:59:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 17:59:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 17:59:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 17:59:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 17:59:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 17:59:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 17:59:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 17:59:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 17:59:19,202 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 17:59:19,327 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 17:59:19,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 17:59:19,508 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 17:59:19,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 17:59:19,515 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-09 17:59:19,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:59:19 BoogieIcfgContainer [2022-02-09 17:59:19,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 17:59:19,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 17:59:19,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 17:59:19,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 17:59:19,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 05:59:18" (1/3) ... [2022-02-09 17:59:19,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a281d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:59:19, skipping insertion in model container [2022-02-09 17:59:19,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:59:19" (2/3) ... [2022-02-09 17:59:19,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a281d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:59:19, skipping insertion in model container [2022-02-09 17:59:19,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:59:19" (3/3) ... [2022-02-09 17:59:19,526 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2022-02-09 17:59:19,530 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 17:59:19,530 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 17:59:19,530 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-09 17:59:19,530 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 17:59:19,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,584 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,585 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,602 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,602 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:59:19,605 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 17:59:19,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 17:59:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:59:19,656 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) [2022-02-09 17:59:19,657 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 [2022-02-09 17:59:19,683 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 17:59:19,689 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=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 [2022-02-09 17:59:19,689 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-09 17:59:19,700 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 83 transitions, 171 flow [2022-02-09 17:59:19,757 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 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) [2022-02-09 17:59:19,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 45 transitions and produced 46 states. [2022-02-09 17:59:19,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 17:59:19,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1653063317, now seen corresponding path program 1 times [2022-02-09 17:59:19,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:19,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167039704] [2022-02-09 17:59:19,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:19,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:59:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 17:59:19,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:59:19,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167039704] [2022-02-09 17:59:20,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167039704] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:59:20,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:59:20,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:59:20,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509965642] [2022-02-09 17:59:20,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:59:20,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 17:59:20,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:59:20,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 17:59:20,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 17:59:20,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,034 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:59:20,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2022-02-09 17:59:20,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,055 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-02-09 17:59:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 17:59:20,060 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 17:59:20,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:20,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1625985729, now seen corresponding path program 1 times [2022-02-09 17:59:20,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:20,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323781463] [2022-02-09 17:59:20,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:20,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:59:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 17:59:20,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:59:20,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323781463] [2022-02-09 17:59:20,169 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323781463] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:59:20,169 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:59:20,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:59:20,170 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297834624] [2022-02-09 17:59:20,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:59:20,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:59:20,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:59:20,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:59:20,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:59:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,179 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:59:20,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 17:59:20,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,208 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-09 17:59:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 17:59:20,209 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 17:59:20,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:20,211 INFO L85 PathProgramCache]: Analyzing trace with hash -46032434, now seen corresponding path program 1 times [2022-02-09 17:59:20,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:20,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395915325] [2022-02-09 17:59:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:20,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:59:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 17:59:20,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:59:20,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395915325] [2022-02-09 17:59:20,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395915325] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:59:20,295 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:59:20,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:59:20,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130776300] [2022-02-09 17:59:20,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:59:20,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:59:20,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:59:20,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:59:20,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:59:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:59:20,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 17:59:20,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,361 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 92 transitions and produced 84 states. [2022-02-09 17:59:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 17:59:20,362 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 17:59:20,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:20,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1826538599, now seen corresponding path program 1 times [2022-02-09 17:59:20,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:20,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330687302] [2022-02-09 17:59:20,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:20,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:59:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 17:59:20,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:59:20,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330687302] [2022-02-09 17:59:20,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330687302] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:59:20,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:59:20,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:59:20,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354047137] [2022-02-09 17:59:20,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:59:20,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:59:20,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:59:20,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:59:20,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:59:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:59:20,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 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) [2022-02-09 17:59:20,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,520 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 243 transitions and produced 165 states. [2022-02-09 17:59:20,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:59:20,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:59:20,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 17:59:20,521 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 17:59:20,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:59:20,523 INFO L85 PathProgramCache]: Analyzing trace with hash -252005876, now seen corresponding path program 1 times [2022-02-09 17:59:20,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:59:20,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45551162] [2022-02-09 17:59:20,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:59:20,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:59:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:59:20,565 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 17:59:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:59:20,608 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 17:59:20,608 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 17:59:20,609 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-09 17:59:20,610 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-09 17:59:20,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-09 17:59:20,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-02-09 17:59:20,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-02-09 17:59:20,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-09 17:59:20,611 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-09 17:59:20,612 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-09 17:59:20,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 17:59:20,617 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-09 17:59:20,620 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 17:59:20,620 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 17:59:20,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 05:59:20 BasicIcfg [2022-02-09 17:59:20,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 17:59:20,657 INFO L158 Benchmark]: Toolchain (without parser) took 2215.00ms. Allocated memory was 170.9MB in the beginning and 234.9MB in the end (delta: 64.0MB). Free memory was 111.8MB in the beginning and 107.9MB in the end (delta: 3.9MB). Peak memory consumption was 67.6MB. Max. memory is 8.0GB. [2022-02-09 17:59:20,657 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 170.9MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 17:59:20,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.35ms. Allocated memory was 170.9MB in the beginning and 234.9MB in the end (delta: 64.0MB). Free memory was 111.5MB in the beginning and 190.7MB in the end (delta: -79.2MB). Peak memory consumption was 6.1MB. Max. memory is 8.0GB. [2022-02-09 17:59:20,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.46ms. Allocated memory is still 234.9MB. Free memory was 190.7MB in the beginning and 188.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 17:59:20,658 INFO L158 Benchmark]: Boogie Preprocessor took 36.37ms. Allocated memory is still 234.9MB. Free memory was 188.6MB in the beginning and 187.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 17:59:20,658 INFO L158 Benchmark]: RCFGBuilder took 395.61ms. Allocated memory is still 234.9MB. Free memory was 187.0MB in the beginning and 173.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-09 17:59:20,658 INFO L158 Benchmark]: TraceAbstraction took 1136.02ms. Allocated memory is still 234.9MB. Free memory was 173.4MB in the beginning and 107.9MB in the end (delta: 65.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2022-02-09 17:59:20,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 170.9MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 582.35ms. Allocated memory was 170.9MB in the beginning and 234.9MB in the end (delta: 64.0MB). Free memory was 111.5MB in the beginning and 190.7MB in the end (delta: -79.2MB). Peak memory consumption was 6.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.46ms. Allocated memory is still 234.9MB. Free memory was 190.7MB in the beginning and 188.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.37ms. Allocated memory is still 234.9MB. Free memory was 188.6MB in the beginning and 187.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 395.61ms. Allocated memory is still 234.9MB. Free memory was 187.0MB in the beginning and 173.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1136.02ms. Allocated memory is still 234.9MB. Free memory was 173.4MB in the beginning and 107.9MB in the end (delta: 65.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; VAL [glob=0] [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [bad={2:0}, glob=0, mutex={1:0}] [L934] 0 pthread_t id; VAL [bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L936] COND TRUE 0 1 VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L937] CALL 0 f(&bad) [L923] 0 glob++ VAL [arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, mutex={1:0}] [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=0, glob++=25, m={2:0}, m={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [929] and C: glob++ [923] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: 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: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: 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, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.2s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 [2022-02-09 17:59:20,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-09 17:59:20,940 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...