/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-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 22:56:42,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 22:56:42,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 22:56:42,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 22:56:42,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 22:56:42,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 22:56:42,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 22:56:42,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 22:56:42,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 22:56:42,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 22:56:42,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 22:56:42,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 22:56:42,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 22:56:42,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 22:56:42,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 22:56:42,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 22:56:42,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 22:56:42,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 22:56:42,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 22:56:42,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 22:56:42,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 22:56:42,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 22:56:42,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 22:56:42,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 22:56:42,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 22:56:42,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 22:56:42,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 22:56:42,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 22:56:42,501 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-Lazy.epf [2022-02-09 22:56:42,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 22:56:42,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 22:56:42,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 22:56:42,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 22:56:42,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 22:56:42,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 22:56:42,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 22:56:42,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 22:56:42,516 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 22:56:42,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 22:56:42,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 22:56:42,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 22:56:42,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 22:56:42,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 22:56:42,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 22:56:42,519 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 22:56:42,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 22:56:42,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 22:56:42,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 22:56:42,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 22:56:42,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 22:56:42,745 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 22:56:42,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2022-02-09 22:56:42,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ddafd83/d9bc0176163b45eea9703d30b02e6a07/FLAG9443e3505 [2022-02-09 22:56:43,184 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 22:56:43,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2022-02-09 22:56:43,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ddafd83/d9bc0176163b45eea9703d30b02e6a07/FLAG9443e3505 [2022-02-09 22:56:43,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ddafd83/d9bc0176163b45eea9703d30b02e6a07 [2022-02-09 22:56:43,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 22:56:43,542 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 22:56:43,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 22:56:43,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 22:56:43,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 22:56:43,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:43,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57be604e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43, skipping insertion in model container [2022-02-09 22:56:43,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:43,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 22:56:43,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 22:56:43,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 22:56:43,887 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 22:56:43,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 22:56:43,955 INFO L208 MainTranslator]: Completed translation [2022-02-09 22:56:43,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43 WrapperNode [2022-02-09 22:56:43,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 22:56:43,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 22:56:43,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 22:56:43,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 22:56:43,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:43,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,017 INFO L137 Inliner]: procedures = 263, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-02-09 22:56:44,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 22:56:44,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 22:56:44,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 22:56:44,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 22:56:44,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 22:56:44,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 22:56:44,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 22:56:44,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 22:56:44,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (1/1) ... [2022-02-09 22:56:44,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 22:56:44,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 22:56:44,084 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 22:56:44,086 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 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 22:56:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 22:56:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 22:56:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 22:56:44,121 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 22:56:44,235 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 22:56:44,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 22:56:44,358 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 22:56:44,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 22:56:44,363 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 22:56:44,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:56:44 BoogieIcfgContainer [2022-02-09 22:56:44,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 22:56:44,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 22:56:44,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 22:56:44,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 22:56:44,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 10:56:43" (1/3) ... [2022-02-09 22:56:44,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5912def0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:56:44, skipping insertion in model container [2022-02-09 22:56:44,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 10:56:43" (2/3) ... [2022-02-09 22:56:44,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5912def0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 10:56:44, skipping insertion in model container [2022-02-09 22:56:44,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 10:56:44" (3/3) ... [2022-02-09 22:56:44,370 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2022-02-09 22:56:44,373 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 22:56:44,373 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 22:56:44,374 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-09 22:56:44,374 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,393 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,399 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,399 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,399 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 22:56:44,402 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 22:56:44,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 22:56:44,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 22:56:44,438 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 22:56:44,439 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 22:56:44,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 22:56:44,467 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 22:56:44,469 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-09 22:56:44,530 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states. [2022-02-09 22:56:44,532 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 22:56:44,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:44,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1939051801, now seen corresponding path program 1 times [2022-02-09 22:56:44,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:44,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63111114] [2022-02-09 22:56:44,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:44,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:56:44,741 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 22:56:44,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:56:44,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63111114] [2022-02-09 22:56:44,742 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63111114] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:56:44,743 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:56:44,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:56:44,744 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607767737] [2022-02-09 22:56:44,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:56:44,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:56:44,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:56:44,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:56:44,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:56:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:44,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:56:44,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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 22:56:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:44,808 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 97 transitions and produced 98 states. [2022-02-09 22:56:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:44,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 22:56:44,809 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 22:56:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:44,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1484727409, now seen corresponding path program 1 times [2022-02-09 22:56:44,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:44,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464622586] [2022-02-09 22:56:44,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:44,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:56:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 22:56:44,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:56:44,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464622586] [2022-02-09 22:56:44,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464622586] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:56:44,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:56:44,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 22:56:44,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057961332] [2022-02-09 22:56:44,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:56:44,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 22:56:44,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:56:44,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 22:56:44,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 22:56:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:44,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:56:44,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 22:56:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:45,044 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 107 transitions and produced 108 states. [2022-02-09 22:56:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 22:56:45,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 22:56:45,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 22:56:45,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:45,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1804631314, now seen corresponding path program 1 times [2022-02-09 22:56:45,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:45,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751860989] [2022-02-09 22:56:45,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:45,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 22:56:45,123 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 22:56:45,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 22:56:45,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751860989] [2022-02-09 22:56:45,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751860989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 22:56:45,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 22:56:45,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 22:56:45,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103221943] [2022-02-09 22:56:45,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 22:56:45,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 22:56:45,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 22:56:45,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 22:56:45,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 22:56:45,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:45,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 22:56:45,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 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 22:56:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 22:56:45,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 22:56:45,298 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1877 transitions and produced 1091 states. [2022-02-09 22:56:45,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:45,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 22:56:45,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 22:56:45,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 22:56:45,300 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-09 22:56:45,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 22:56:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1987494670, now seen corresponding path program 1 times [2022-02-09 22:56:45,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 22:56:45,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383338327] [2022-02-09 22:56:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 22:56:45,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 22:56:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 22:56:45,338 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 22:56:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 22:56:45,387 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 22:56:45,387 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 22:56:45,388 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-09 22:56:45,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-09 22:56:45,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-09 22:56:45,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-02-09 22:56:45,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-02-09 22:56:45,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-09 22:56:45,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-09 22:56:45,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-09 22:56:45,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 22:56:45,397 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 22:56:45,401 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 22:56:45,401 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 22:56:45,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 10:56:45 BasicIcfg [2022-02-09 22:56:45,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 22:56:45,438 INFO L158 Benchmark]: Toolchain (without parser) took 1894.41ms. Allocated memory was 199.2MB in the beginning and 267.4MB in the end (delta: 68.2MB). Free memory was 146.9MB in the beginning and 115.1MB in the end (delta: 31.8MB). Peak memory consumption was 101.5MB. Max. memory is 8.0GB. [2022-02-09 22:56:45,439 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 199.2MB. Free memory is still 164.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 22:56:45,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.47ms. Allocated memory was 199.2MB in the beginning and 267.4MB in the end (delta: 68.2MB). Free memory was 146.6MB in the beginning and 228.2MB in the end (delta: -81.6MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-09 22:56:45,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.18ms. Allocated memory is still 267.4MB. Free memory was 228.2MB in the beginning and 225.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 22:56:45,441 INFO L158 Benchmark]: Boogie Preprocessor took 27.72ms. Allocated memory is still 267.4MB. Free memory was 225.7MB in the beginning and 224.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 22:56:45,441 INFO L158 Benchmark]: RCFGBuilder took 318.40ms. Allocated memory is still 267.4MB. Free memory was 224.1MB in the beginning and 210.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-09 22:56:45,441 INFO L158 Benchmark]: TraceAbstraction took 1069.85ms. Allocated memory is still 267.4MB. Free memory was 210.0MB in the beginning and 115.1MB in the end (delta: 94.9MB). Peak memory consumption was 95.4MB. Max. memory is 8.0GB. [2022-02-09 22:56:45,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 199.2MB. Free memory is still 164.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 413.47ms. Allocated memory was 199.2MB in the beginning and 267.4MB in the end (delta: 68.2MB). Free memory was 146.6MB in the beginning and 228.2MB in the end (delta: -81.6MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.18ms. Allocated memory is still 267.4MB. Free memory was 228.2MB in the beginning and 225.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.72ms. Allocated memory is still 267.4MB. Free memory was 225.7MB in the beginning and 224.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 318.40ms. Allocated memory is still 267.4MB. Free memory was 224.1MB in the beginning and 210.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1069.85ms. Allocated memory is still 267.4MB. Free memory was 210.0MB in the beginning and 115.1MB in the end (delta: 94.9MB). Peak memory consumption was 95.4MB. 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: 937]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L931] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L934] 0 printf("myglobal equals %d\n",myglobal) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L923] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=0] [L923] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] [L937] 0 add1(myglobal) VAL [arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, mutex3={4:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [923] and C: add1(myglobal) [937] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 932]: 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: 923]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 110 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 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 [2022-02-09 22:56:45,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-09 22:56:45,703 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...