/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-MCRwithoutDepranks-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_55-pt_rwlock_rr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 15:25:23,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 15:25:23,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 15:25:23,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 15:25:23,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 15:25:23,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 15:25:23,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 15:25:23,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 15:25:23,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 15:25:23,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 15:25:23,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 15:25:23,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 15:25:23,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 15:25:23,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 15:25:23,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 15:25:23,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 15:25:23,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 15:25:23,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 15:25:23,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 15:25:23,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 15:25:23,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 15:25:23,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 15:25:23,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 15:25:23,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 15:25:23,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 15:25:23,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 15:25:23,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 15:25:23,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 15:25:23,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 15:25:23,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 15:25:23,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 15:25:23,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 15:25:23,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 15:25:23,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 15:25:23,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 15:25:23,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 15:25:23,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 15:25:23,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 15:25:23,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 15:25:23,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 15:25:23,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 15:25:23,172 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-MCRwithoutDepranks-Lazy.epf [2022-02-10 15:25:23,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 15:25:23,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 15:25:23,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 15:25:23,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 15:25:23,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 15:25:23,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 15:25:23,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 15:25:23,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 15:25:23,202 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 15:25:23,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 15:25:23,203 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 15:25:23,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 15:25:23,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 15:25:23,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 15:25:23,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 15:25:23,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 15:25:23,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 15:25:23,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 15:25:23,206 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-10 15:25:23,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 15:25:23,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 15:25:23,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 15:25:23,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 15:25:23,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 15:25:23,207 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 15:25:23,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 15:25:23,207 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 15:25:23,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 15:25:23,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 15:25:23,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 15:25:23,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 15:25:23,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 15:25:23,415 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 15:25:23,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-02-10 15:25:23,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9994f7d/913e775e05d24354a4b781c0f9599e76/FLAG4a5fe7a76 [2022-02-10 15:25:23,869 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 15:25:23,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-02-10 15:25:23,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9994f7d/913e775e05d24354a4b781c0f9599e76/FLAG4a5fe7a76 [2022-02-10 15:25:24,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e9994f7d/913e775e05d24354a4b781c0f9599e76 [2022-02-10 15:25:24,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 15:25:24,198 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 15:25:24,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 15:25:24,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 15:25:24,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 15:25:24,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11dbcefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24, skipping insertion in model container [2022-02-10 15:25:24,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 15:25:24,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 15:25:24,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 15:25:24,690 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 15:25:24,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 15:25:24,796 INFO L208 MainTranslator]: Completed translation [2022-02-10 15:25:24,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24 WrapperNode [2022-02-10 15:25:24,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 15:25:24,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 15:25:24,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 15:25:24,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 15:25:24,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,862 INFO L137 Inliner]: procedures = 263, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-02-10 15:25:24,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 15:25:24,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 15:25:24,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 15:25:24,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 15:25:24,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 15:25:24,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 15:25:24,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 15:25:24,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 15:25:24,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (1/1) ... [2022-02-10 15:25:24,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 15:25:24,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 15:25:24,931 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) [2022-02-10 15:25:24,977 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 [2022-02-10 15:25:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2022-02-10 15:25:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 15:25:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 15:25:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-02-10 15:25:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 15:25:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 15:25:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 15:25:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 15:25:25,001 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 15:25:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 15:25:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 15:25:25,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 15:25:25,002 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 15:25:25,081 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 15:25:25,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 15:25:25,235 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 15:25:25,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 15:25:25,253 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 15:25:25,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 03:25:25 BoogieIcfgContainer [2022-02-10 15:25:25,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 15:25:25,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 15:25:25,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 15:25:25,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 15:25:25,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 03:25:24" (1/3) ... [2022-02-10 15:25:25,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da553a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 03:25:25, skipping insertion in model container [2022-02-10 15:25:25,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 03:25:24" (2/3) ... [2022-02-10 15:25:25,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da553a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 03:25:25, skipping insertion in model container [2022-02-10 15:25:25,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 03:25:25" (3/3) ... [2022-02-10 15:25:25,261 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_55-pt_rwlock_rr.i [2022-02-10 15:25:25,264 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 15:25:25,265 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 15:25:25,265 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-10 15:25:25,265 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 15:25:25,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,290 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,290 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,291 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,291 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,291 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,291 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,292 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,293 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,294 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,295 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,296 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,297 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,310 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,310 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,310 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,311 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 15:25:25,316 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 15:25:25,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 15:25:25,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 15:25:25,347 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) [2022-02-10 15:25:25,356 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 [2022-02-10 15:25:25,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 15:25:25,415 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 [2022-02-10 15:25:25,415 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-02-10 15:25:25,502 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states. [2022-02-10 15:25:25,504 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 15:25:25,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 15:25:25,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1966635933, now seen corresponding path program 1 times [2022-02-10 15:25:25,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 15:25:25,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228983998] [2022-02-10 15:25:25,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 15:25:25,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 15:25:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 15:25:25,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 15:25:25,705 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 15:25:25,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228983998] [2022-02-10 15:25:25,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228983998] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 15:25:25,706 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 15:25:25,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 15:25:25,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790019774] [2022-02-10 15:25:25,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 15:25:25,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 15:25:25,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 15:25:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 15:25:25,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 15:25:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:25,736 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 15:25:25,736 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) [2022-02-10 15:25:25,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:25,791 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 56 transitions and produced 57 states. [2022-02-10 15:25:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:25,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 15:25:25,793 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 15:25:25,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 15:25:25,795 INFO L85 PathProgramCache]: Analyzing trace with hash 151526078, now seen corresponding path program 1 times [2022-02-10 15:25:25,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 15:25:25,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952423492] [2022-02-10 15:25:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 15:25:25,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 15:25:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 15:25:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 15:25:25,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 15:25:25,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952423492] [2022-02-10 15:25:25,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952423492] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 15:25:25,855 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 15:25:25,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 15:25:25,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634040100] [2022-02-10 15:25:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 15:25:25,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 15:25:25,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 15:25:25,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 15:25:25,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 15:25:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:25,857 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 15:25:25,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-10 15:25:25,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:25,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:25,896 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 67 transitions and produced 68 states. [2022-02-10 15:25:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:25,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 15:25:25,897 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 15:25:25,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 15:25:25,898 INFO L85 PathProgramCache]: Analyzing trace with hash 124843568, now seen corresponding path program 1 times [2022-02-10 15:25:25,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 15:25:25,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739609610] [2022-02-10 15:25:25,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 15:25:25,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 15:25:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 15:25:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 15:25:25,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 15:25:25,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739609610] [2022-02-10 15:25:25,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739609610] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 15:25:25,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 15:25:25,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 15:25:25,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88723018] [2022-02-10 15:25:25,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 15:25:25,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 15:25:25,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 15:25:25,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 15:25:25,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 15:25:25,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:25,957 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 15:25:25,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-02-10 15:25:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:26,074 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 88 transitions and produced 89 states. [2022-02-10 15:25:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 15:25:26,076 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 15:25:26,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 15:25:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1043237722, now seen corresponding path program 1 times [2022-02-10 15:25:26,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 15:25:26,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778932924] [2022-02-10 15:25:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 15:25:26,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 15:25:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 15:25:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 15:25:26,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 15:25:26,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778932924] [2022-02-10 15:25:26,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778932924] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 15:25:26,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 15:25:26,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 15:25:26,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210239392] [2022-02-10 15:25:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 15:25:26,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 15:25:26,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 15:25:26,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 15:25:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 15:25:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:26,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 15:25:26,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-02-10 15:25:26,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:26,304 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 93 transitions and produced 94 states. [2022-02-10 15:25:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 15:25:26,305 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 15:25:26,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 15:25:26,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1446994839, now seen corresponding path program 1 times [2022-02-10 15:25:26,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 15:25:26,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430621831] [2022-02-10 15:25:26,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 15:25:26,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 15:25:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 15:25:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 15:25:26,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 15:25:26,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430621831] [2022-02-10 15:25:26,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430621831] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 15:25:26,368 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 15:25:26,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 15:25:26,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271611565] [2022-02-10 15:25:26,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 15:25:26,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 15:25:26,369 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 15:25:26,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 15:25:26,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 15:25:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:26,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 15:25:26,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-02-10 15:25:26,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:26,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 15:25:56,818 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 10896 transitions and produced 10897 states. [2022-02-10 15:25:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:56,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:56,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 15:25:56,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 15:25:56,820 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 15:25:56,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 15:25:56,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1755845880, now seen corresponding path program 1 times [2022-02-10 15:25:56,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 15:25:56,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950997574] [2022-02-10 15:25:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 15:25:56,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 15:25:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 15:25:56,848 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 15:25:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 15:25:56,895 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 15:25:56,896 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-10 15:25:56,897 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-02-10 15:25:56,898 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-02-10 15:25:56,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2022-02-10 15:25:56,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-02-10 15:25:56,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 11 remaining) [2022-02-10 15:25:56,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-02-10 15:25:56,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-02-10 15:25:56,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-02-10 15:25:56,899 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-02-10 15:25:56,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-02-10 15:25:56,900 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-02-10 15:25:56,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 15:25:56,909 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-10 15:25:56,913 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 15:25:56,913 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 15:25:56,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 03:25:56 BasicIcfg [2022-02-10 15:25:56,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 15:25:56,963 INFO L158 Benchmark]: Toolchain (without parser) took 32765.49ms. Allocated memory was 203.4MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 148.8MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-10 15:25:56,963 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 166.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 15:25:56,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.52ms. Allocated memory was 203.4MB in the beginning and 276.8MB in the end (delta: 73.4MB). Free memory was 148.6MB in the beginning and 234.2MB in the end (delta: -85.6MB). Peak memory consumption was 5.3MB. Max. memory is 8.0GB. [2022-02-10 15:25:56,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.49ms. Allocated memory is still 276.8MB. Free memory was 234.2MB in the beginning and 231.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 15:25:56,964 INFO L158 Benchmark]: Boogie Preprocessor took 30.27ms. Allocated memory is still 276.8MB. Free memory was 231.6MB in the beginning and 230.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 15:25:56,964 INFO L158 Benchmark]: RCFGBuilder took 360.28ms. Allocated memory is still 276.8MB. Free memory was 230.0MB in the beginning and 216.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 15:25:56,965 INFO L158 Benchmark]: TraceAbstraction took 31706.38ms. Allocated memory was 276.8MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 215.9MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-02-10 15:25:56,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory is still 166.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 595.52ms. Allocated memory was 203.4MB in the beginning and 276.8MB in the end (delta: 73.4MB). Free memory was 148.6MB in the beginning and 234.2MB in the end (delta: -85.6MB). Peak memory consumption was 5.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.49ms. Allocated memory is still 276.8MB. Free memory was 234.2MB in the beginning and 231.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.27ms. Allocated memory is still 276.8MB. Free memory was 231.6MB in the beginning and 230.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 360.28ms. Allocated memory is still 276.8MB. Free memory was 230.0MB in the beginning and 216.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 31706.38ms. Allocated memory was 276.8MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 215.9MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.5GB. 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: 932]: Data race detected Data race detected The following path leads to a data race: [L917] 0 static int data1; VAL [data1=0] [L918] 0 static int data2; VAL [data1=0, data2=0] [L919] 0 static pthread_rwlock_t rwlock = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; VAL [data1=0, data2=0, rwlock={3:0}] [L928] 0 pthread_t id; VAL [data1=0, data2=0, id={5:0}, rwlock={3:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data1=0, data2=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, rwlock={3:0}] [L931] 0 printf("%d",data1) VAL [arg={0:0}, data1=0, data2=0, id={5:0}, rwlock={3:0}] [L932] 0 data2++ VAL [arg={0:0}, data1=0, data2=1, data2++=101, data2++=0, id={5:0}, rwlock={3:0}] [L922] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=1, data2=1, rwlock={3:0}] [L932] 0 data2++ VAL [arg={0:0}, arg={0:0}, data1=1, data2=1, data2++=0, data2++=101, id={5:0}, rwlock={3:0}] Now there is a data race on ~data2~0 between C: printf("%d",data2) [923] and C: data2++ [932] - UnprovableResult [Line: 931]: 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 there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 929]: 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: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 31.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 30.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-10 15:25:57,020 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 [2022-02-10 15:25:57,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...