./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:16:20,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:16:20,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:16:20,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:16:20,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:16:20,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:16:20,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:16:20,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:16:20,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:16:20,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:16:20,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:16:20,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:16:20,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:16:20,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:16:20,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:16:20,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:16:20,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:16:20,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:16:20,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:16:20,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:16:20,418 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:16:20,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:16:20,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:16:20,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:16:20,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:16:20,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:16:20,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:16:20,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:16:20,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:16:20,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:16:20,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:16:20,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:16:20,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:16:20,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:16:20,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:16:20,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:16:20,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:16:20,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:16:20,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:16:20,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:16:20,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:16:20,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:16:20,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:16:20,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:16:20,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:16:20,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:16:20,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:16:20,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:16:20,457 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:16:20,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:16:20,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:16:20,458 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:16:20,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:16:20,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:16:20,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:16:20,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:16:20,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:16:20,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:16:20,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:16:20,461 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:16:20,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:16:20,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:16:20,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:16:20,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:16:20,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:16:20,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:16:20,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:16:20,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:16:20,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:16:20,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:16:20,463 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:16:20,464 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:16:20,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:16:20,464 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-20 02:16:20,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:16:20,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:16:20,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:16:20,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:16:20,743 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:16:20,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-20 02:16:20,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2788dfa75/e63fef033be64c688458442eb81b72b7/FLAGef9c0933e [2022-07-20 02:16:21,591 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:16:21,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-20 02:16:21,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2788dfa75/e63fef033be64c688458442eb81b72b7/FLAGef9c0933e [2022-07-20 02:16:22,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2788dfa75/e63fef033be64c688458442eb81b72b7 [2022-07-20 02:16:22,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:16:22,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:16:22,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:16:22,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:16:22,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:16:22,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:16:22" (1/1) ... [2022-07-20 02:16:22,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58b6160f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:22, skipping insertion in model container [2022-07-20 02:16:22,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:16:22" (1/1) ... [2022-07-20 02:16:22,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:16:22,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:16:27,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-20 02:16:27,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-20 02:16:27,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-20 02:16:27,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-20 02:16:27,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:16:27,893 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:16:28,062 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 02:16:28,068 INFO L158 Benchmark]: Toolchain (without parser) took 5984.86ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 79.3MB in the beginning and 64.3MB in the end (delta: 15.0MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2022-07-20 02:16:28,069 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:16:28,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5979.34ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 78.8MB in the beginning and 64.3MB in the end (delta: 14.6MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2022-07-20 02:16:28,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5979.34ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 78.8MB in the beginning and 64.3MB in the end (delta: 14.6MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:16:29,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:16:29,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:16:30,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:16:30,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:16:30,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:16:30,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:16:30,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:16:30,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:16:30,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:16:30,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:16:30,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:16:30,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:16:30,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:16:30,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:16:30,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:16:30,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:16:30,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:16:30,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:16:30,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:16:30,051 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:16:30,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:16:30,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:16:30,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:16:30,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:16:30,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:16:30,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:16:30,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:16:30,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:16:30,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:16:30,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:16:30,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:16:30,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:16:30,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:16:30,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:16:30,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:16:30,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:16:30,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:16:30,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:16:30,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:16:30,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:16:30,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:16:30,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:16:30,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:16:30,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:16:30,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:16:30,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:16:30,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:16:30,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:16:30,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:16:30,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:16:30,108 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:16:30,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:16:30,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:16:30,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:16:30,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:16:30,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:16:30,109 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:16:30,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:16:30,117 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:16:30,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:16:30,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:16:30,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:16:30,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:16:30,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:16:30,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:16:30,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:16:30,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:16:30,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:16:30,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:16:30,119 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:16:30,119 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:16:30,119 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:16:30,120 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:16:30,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:16:30,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:16:30,120 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-20 02:16:30,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:16:30,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:16:30,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:16:30,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:16:30,472 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:16:30,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-20 02:16:30,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99ce9182/f25f8be4e0314bebaa2d0adf9d965e34/FLAG472c62ce2 [2022-07-20 02:16:31,371 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:16:31,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-20 02:16:31,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99ce9182/f25f8be4e0314bebaa2d0adf9d965e34/FLAG472c62ce2 [2022-07-20 02:16:31,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99ce9182/f25f8be4e0314bebaa2d0adf9d965e34 [2022-07-20 02:16:31,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:16:31,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:16:31,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:16:31,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:16:31,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:16:31,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:16:31" (1/1) ... [2022-07-20 02:16:31,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15df0b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:31, skipping insertion in model container [2022-07-20 02:16:31,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:16:31" (1/1) ... [2022-07-20 02:16:31,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:16:32,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:16:36,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-20 02:16:36,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-20 02:16:36,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-20 02:16:36,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-20 02:16:36,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:16:36,351 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:16:36,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:16:36,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-20 02:16:36,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-20 02:16:36,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-20 02:16:36,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-20 02:16:36,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:16:36,919 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:16:37,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-20 02:16:37,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-20 02:16:37,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-20 02:16:37,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-20 02:16:37,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:16:37,708 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:16:37,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37 WrapperNode [2022-07-20 02:16:37,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:16:37,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:16:37,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:16:37,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:16:37,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:37,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,155 INFO L137 Inliner]: procedures = 640, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7724 [2022-07-20 02:16:38,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:16:38,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:16:38,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:16:38,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:16:38,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:16:38,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:16:38,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:16:38,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:16:38,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (1/1) ... [2022-07-20 02:16:38,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:16:38,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:16:38,628 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) [2022-07-20 02:16:38,658 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 [2022-07-20 02:16:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 02:16:38,676 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 02:16:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:16:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:16:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-20 02:16:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-20 02:16:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:16:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:16:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-20 02:16:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-20 02:16:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-20 02:16:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-20 02:16:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:16:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:16:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-20 02:16:38,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-20 02:16:38,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:16:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:16:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-20 02:16:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-20 02:16:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-20 02:16:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-20 02:16:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-07-20 02:16:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-07-20 02:16:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:16:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:16:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 02:16:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 02:16:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:16:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:16:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:16:38,681 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:16:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:16:38,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:16:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-20 02:16:38,681 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-20 02:16:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-07-20 02:16:38,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-07-20 02:16:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-20 02:16:38,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-20 02:16:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-07-20 02:16:38,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-07-20 02:16:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:16:38,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:16:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:16:38,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:16:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-20 02:16:38,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-20 02:16:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:16:38,683 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:16:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:16:38,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:16:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:16:38,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:16:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:16:38,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:16:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:16:38,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:16:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-20 02:16:38,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-20 02:16:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 02:16:38,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 02:16:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-20 02:16:38,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-20 02:16:38,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:16:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-20 02:16:38,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-20 02:16:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 02:16:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:16:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:16:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:16:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-20 02:16:38,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-20 02:16:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 02:16:38,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 02:16:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-20 02:16:38,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-20 02:16:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 02:16:38,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 02:16:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 02:16:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 02:16:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:16:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:16:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-20 02:16:38,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-20 02:16:38,688 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:16:38,689 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:16:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:16:38,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:16:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-20 02:16:38,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-20 02:16:38,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:16:38,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:16:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:16:38,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:16:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:16:38,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:16:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:16:38,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:16:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:16:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:16:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 02:16:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 02:16:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:16:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:16:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-20 02:16:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-20 02:16:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:16:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:16:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-20 02:16:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-20 02:16:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 02:16:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 02:16:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:16:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:16:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-20 02:16:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-20 02:16:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:16:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:16:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:16:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-20 02:16:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-20 02:16:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:16:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:16:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:16:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:16:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:16:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 02:16:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 02:16:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:16:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:16:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:16:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:16:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:16:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 02:16:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:16:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:16:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:16:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-20 02:16:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-20 02:16:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-20 02:16:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-20 02:16:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-20 02:16:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-20 02:16:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 02:16:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-20 02:16:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-20 02:16:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-20 02:16:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:16:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:16:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-20 02:16:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-20 02:16:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 02:16:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 02:16:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 02:16:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 02:16:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:16:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:16:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:16:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:16:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-20 02:16:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-20 02:16:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-20 02:16:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-20 02:16:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:16:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:16:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:16:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:16:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-20 02:16:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-20 02:16:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:16:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-20 02:16:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-20 02:16:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-20 02:16:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-20 02:16:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:16:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:16:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 02:16:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 02:16:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:16:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:16:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:16:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:16:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:16:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:16:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:16:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:16:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:16:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:16:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:16:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:16:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:16:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:16:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-20 02:16:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-20 02:16:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 02:16:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 02:16:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:16:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:16:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-20 02:16:38,704 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-20 02:16:38,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-20 02:16:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-20 02:16:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 02:16:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 02:16:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 02:16:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 02:16:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 02:16:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 02:16:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-20 02:16:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-20 02:16:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 02:16:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 02:16:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:16:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:16:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-20 02:16:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-20 02:16:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:16:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:16:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 02:16:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 02:16:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:16:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 02:16:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 02:16:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 02:16:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 02:16:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:16:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:16:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-20 02:16:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-20 02:16:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:16:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-20 02:16:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-20 02:16:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-20 02:16:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-20 02:16:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 02:16:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 02:16:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:16:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:16:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:16:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-20 02:16:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-20 02:16:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:16:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:16:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-20 02:16:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-20 02:16:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 02:16:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 02:16:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 02:16:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 02:16:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:16:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:16:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:16:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:16:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 02:16:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 02:16:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:16:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:16:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-20 02:16:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-20 02:16:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-07-20 02:16:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-07-20 02:16:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-20 02:16:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-20 02:16:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-20 02:16:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-20 02:16:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:16:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:16:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-20 02:16:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-20 02:16:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-07-20 02:16:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-07-20 02:16:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:16:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:16:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 02:16:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 02:16:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-20 02:16:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-20 02:16:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:16:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:16:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-20 02:16:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-20 02:16:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:16:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:16:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:16:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:16:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:16:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:16:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-07-20 02:16:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-07-20 02:16:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-20 02:16:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-20 02:16:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-20 02:16:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-20 02:16:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:16:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:16:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 02:16:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 02:16:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-07-20 02:16:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-07-20 02:16:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 02:16:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 02:16:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-20 02:16:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-20 02:16:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-20 02:16:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-20 02:16:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:16:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:16:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 02:16:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 02:16:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-20 02:16:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-20 02:16:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 02:16:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 02:16:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 02:16:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 02:16:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-20 02:16:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-20 02:16:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-20 02:16:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-20 02:16:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:16:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:16:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-20 02:16:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-20 02:16:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:16:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:16:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-20 02:16:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-20 02:16:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-20 02:16:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-20 02:16:39,759 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:16:39,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:16:40,870 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:17:47,738 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:17:48,184 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:17:48,208 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:17:48,209 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:17:48,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:17:48 BoogieIcfgContainer [2022-07-20 02:17:48,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:17:48,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:17:48,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:17:48,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:17:48,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:16:31" (1/3) ... [2022-07-20 02:17:48,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a3c546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:17:48, skipping insertion in model container [2022-07-20 02:17:48,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:16:37" (2/3) ... [2022-07-20 02:17:48,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a3c546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:17:48, skipping insertion in model container [2022-07-20 02:17:48,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:17:48" (3/3) ... [2022-07-20 02:17:48,224 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-20 02:17:48,239 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:17:48,239 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-20 02:17:48,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:17:48,337 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26dfeb28, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@15f10c33 [2022-07-20 02:17:48,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-20 02:17:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2022-07-20 02:17:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-20 02:17:48,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:48,368 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:48,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:17:48,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:48,372 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2022-07-20 02:17:48,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:17:48,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602287908] [2022-07-20 02:17:48,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:48,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:17:48,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:17:48,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:17:48,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:17:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:51,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:17:51,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:17:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-20 02:17:52,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:17:52,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:17:52,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602287908] [2022-07-20 02:17:52,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602287908] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:52,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:52,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:17:52,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196296882] [2022-07-20 02:17:52,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:52,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:17:52,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:17:52,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:17:52,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:17:52,141 INFO L87 Difference]: Start difference. First operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 02:17:52,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:52,829 INFO L93 Difference]: Finished difference Result 8301 states and 11697 transitions. [2022-07-20 02:17:52,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:17:52,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 181 [2022-07-20 02:17:52,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:52,891 INFO L225 Difference]: With dead ends: 8301 [2022-07-20 02:17:52,891 INFO L226 Difference]: Without dead ends: 5495 [2022-07-20 02:17:52,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:17:52,927 INFO L413 NwaCegarLoop]: 4666 mSDtfsCounter, 3824 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:52,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 8458 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 02:17:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2022-07-20 02:17:53,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5462. [2022-07-20 02:17:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5462 states, 3723 states have (on average 1.2519473542841795) internal successors, (4661), 3784 states have internal predecessors, (4661), 1448 states have call successors, (1448), 293 states have call predecessors, (1448), 287 states have return successors, (1449), 1424 states have call predecessors, (1449), 1444 states have call successors, (1449) [2022-07-20 02:17:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 5462 states and 7558 transitions. [2022-07-20 02:17:53,352 INFO L78 Accepts]: Start accepts. Automaton has 5462 states and 7558 transitions. Word has length 181 [2022-07-20 02:17:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:53,355 INFO L495 AbstractCegarLoop]: Abstraction has 5462 states and 7558 transitions. [2022-07-20 02:17:53,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 02:17:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5462 states and 7558 transitions. [2022-07-20 02:17:53,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-20 02:17:53,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:53,366 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:53,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:17:53,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:17:53,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:17:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2022-07-20 02:17:53,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:17:53,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868024293] [2022-07-20 02:17:53,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:53,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:17:53,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:17:53,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:17:53,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:17:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:56,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:17:56,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:17:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-20 02:17:56,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:17:56,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:17:56,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868024293] [2022-07-20 02:17:56,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868024293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:56,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:56,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:17:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070707582] [2022-07-20 02:17:56,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:56,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:17:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:17:56,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:17:56,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:17:56,892 INFO L87 Difference]: Start difference. First operand 5462 states and 7558 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 02:17:57,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:57,650 INFO L93 Difference]: Finished difference Result 16189 states and 22397 transitions. [2022-07-20 02:17:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:17:57,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 182 [2022-07-20 02:17:57,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:57,745 INFO L225 Difference]: With dead ends: 16189 [2022-07-20 02:17:57,745 INFO L226 Difference]: Without dead ends: 10760 [2022-07-20 02:17:57,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:17:57,781 INFO L413 NwaCegarLoop]: 4591 mSDtfsCounter, 3729 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 8413 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:57,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3729 Valid, 8413 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 02:17:57,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2022-07-20 02:17:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10754. [2022-07-20 02:17:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 7350 states have (on average 1.2523809523809524) internal successors, (9205), 7463 states have internal predecessors, (9205), 2829 states have call successors, (2829), 582 states have call predecessors, (2829), 571 states have return successors, (2835), 2788 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-07-20 02:17:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 14869 transitions. [2022-07-20 02:17:58,429 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 14869 transitions. Word has length 182 [2022-07-20 02:17:58,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:58,430 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 14869 transitions. [2022-07-20 02:17:58,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 02:17:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 14869 transitions. [2022-07-20 02:17:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-20 02:17:58,436 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:58,437 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:58,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:17:58,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:17:58,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:17:58,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:58,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2022-07-20 02:17:58,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:17:58,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157500118] [2022-07-20 02:17:58,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:58,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:17:58,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:17:58,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:17:58,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:18:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:01,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:18:01,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-20 02:18:01,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:18:01,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:18:01,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157500118] [2022-07-20 02:18:01,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157500118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:01,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:01,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:18:01,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633417402] [2022-07-20 02:18:01,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:01,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:18:01,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:18:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:18:01,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:01,740 INFO L87 Difference]: Start difference. First operand 10754 states and 14869 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:18:02,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:02,767 INFO L93 Difference]: Finished difference Result 32038 states and 44367 transitions. [2022-07-20 02:18:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:18:02,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 196 [2022-07-20 02:18:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:02,912 INFO L225 Difference]: With dead ends: 32038 [2022-07-20 02:18:02,912 INFO L226 Difference]: Without dead ends: 21317 [2022-07-20 02:18:02,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:02,978 INFO L413 NwaCegarLoop]: 4909 mSDtfsCounter, 3797 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 8729 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:02,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3797 Valid, 8729 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 02:18:03,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21317 states. [2022-07-20 02:18:03,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21317 to 21278. [2022-07-20 02:18:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21278 states, 14562 states have (on average 1.2530558989149843) internal successors, (18247), 14793 states have internal predecessors, (18247), 5583 states have call successors, (5583), 1158 states have call predecessors, (5583), 1129 states have return successors, (5649), 5478 states have call predecessors, (5649), 5579 states have call successors, (5649) [2022-07-20 02:18:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21278 states to 21278 states and 29479 transitions. [2022-07-20 02:18:04,004 INFO L78 Accepts]: Start accepts. Automaton has 21278 states and 29479 transitions. Word has length 196 [2022-07-20 02:18:04,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:04,005 INFO L495 AbstractCegarLoop]: Abstraction has 21278 states and 29479 transitions. [2022-07-20 02:18:04,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:18:04,006 INFO L276 IsEmpty]: Start isEmpty. Operand 21278 states and 29479 transitions. [2022-07-20 02:18:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-20 02:18:04,011 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:04,011 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:04,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:18:04,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:18:04,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:18:04,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:04,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2022-07-20 02:18:04,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:18:04,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091436619] [2022-07-20 02:18:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:04,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:18:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:18:04,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:18:04,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:18:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:07,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:18:07,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-20 02:18:07,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:18:07,730 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:18:07,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091436619] [2022-07-20 02:18:07,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091436619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:07,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:07,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:18:07,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426692354] [2022-07-20 02:18:07,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:07,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:18:07,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:18:07,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:18:07,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:07,731 INFO L87 Difference]: Start difference. First operand 21278 states and 29479 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:18:09,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:09,007 INFO L93 Difference]: Finished difference Result 48087 states and 66589 transitions. [2022-07-20 02:18:09,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:18:09,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2022-07-20 02:18:09,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:09,189 INFO L225 Difference]: With dead ends: 48087 [2022-07-20 02:18:09,189 INFO L226 Difference]: Without dead ends: 26842 [2022-07-20 02:18:09,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:09,300 INFO L413 NwaCegarLoop]: 4644 mSDtfsCounter, 3802 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3802 SdHoareTripleChecker+Valid, 8505 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:09,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3802 Valid, 8505 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 02:18:09,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26842 states. [2022-07-20 02:18:10,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26842 to 26803. [2022-07-20 02:18:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26803 states, 18329 states have (on average 1.2517867859675924) internal successors, (22944), 18629 states have internal predecessors, (22944), 7034 states have call successors, (7034), 1468 states have call predecessors, (7034), 1436 states have return successors, (7111), 6899 states have call predecessors, (7111), 7030 states have call successors, (7111) [2022-07-20 02:18:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26803 states to 26803 states and 37089 transitions. [2022-07-20 02:18:10,743 INFO L78 Accepts]: Start accepts. Automaton has 26803 states and 37089 transitions. Word has length 204 [2022-07-20 02:18:10,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:10,744 INFO L495 AbstractCegarLoop]: Abstraction has 26803 states and 37089 transitions. [2022-07-20 02:18:10,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:18:10,744 INFO L276 IsEmpty]: Start isEmpty. Operand 26803 states and 37089 transitions. [2022-07-20 02:18:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-20 02:18:10,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:10,749 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:10,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 02:18:10,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:18:10,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:18:10,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:10,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2022-07-20 02:18:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:18:10,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869406002] [2022-07-20 02:18:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:10,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:18:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:18:10,969 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:18:11,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:18:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:14,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:18:14,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-20 02:18:14,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:18:14,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:18:14,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869406002] [2022-07-20 02:18:14,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869406002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:14,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:14,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:18:14,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047317404] [2022-07-20 02:18:14,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:14,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:18:14,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:18:14,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:18:14,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:14,961 INFO L87 Difference]: Start difference. First operand 26803 states and 37089 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:18:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:17,093 INFO L93 Difference]: Finished difference Result 70761 states and 97622 transitions. [2022-07-20 02:18:17,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:18:17,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 209 [2022-07-20 02:18:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:17,415 INFO L225 Difference]: With dead ends: 70761 [2022-07-20 02:18:17,415 INFO L226 Difference]: Without dead ends: 43991 [2022-07-20 02:18:17,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:17,690 INFO L413 NwaCegarLoop]: 4392 mSDtfsCounter, 2588 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:17,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 8156 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 02:18:17,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43991 states. [2022-07-20 02:18:19,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43991 to 43949. [2022-07-20 02:18:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43949 states, 29900 states have (on average 1.2470903010033445) internal successors, (37288), 30431 states have internal predecessors, (37288), 11517 states have call successors, (11517), 2594 states have call predecessors, (11517), 2528 states have return successors, (11671), 11240 states have call predecessors, (11671), 11513 states have call successors, (11671) [2022-07-20 02:18:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43949 states to 43949 states and 60476 transitions. [2022-07-20 02:18:19,832 INFO L78 Accepts]: Start accepts. Automaton has 43949 states and 60476 transitions. Word has length 209 [2022-07-20 02:18:19,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:19,834 INFO L495 AbstractCegarLoop]: Abstraction has 43949 states and 60476 transitions. [2022-07-20 02:18:19,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:18:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 43949 states and 60476 transitions. [2022-07-20 02:18:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-20 02:18:19,840 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:19,840 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:19,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-20 02:18:20,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:18:20,068 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:18:20,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:20,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1609837398, now seen corresponding path program 1 times [2022-07-20 02:18:20,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:18:20,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31047342] [2022-07-20 02:18:20,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:20,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:18:20,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:18:20,072 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:18:20,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:18:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:18:22,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-07-20 02:18:23,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:18:23,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:18:23,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31047342] [2022-07-20 02:18:23,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31047342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:23,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:23,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:18:23,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82095643] [2022-07-20 02:18:23,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:23,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:18:23,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:18:23,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:18:23,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:23,066 INFO L87 Difference]: Start difference. First operand 43949 states and 60476 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:18:25,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:25,338 INFO L93 Difference]: Finished difference Result 113622 states and 156421 transitions. [2022-07-20 02:18:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:18:25,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-07-20 02:18:25,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:25,846 INFO L225 Difference]: With dead ends: 113622 [2022-07-20 02:18:25,846 INFO L226 Difference]: Without dead ends: 78269 [2022-07-20 02:18:25,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:18:25,991 INFO L413 NwaCegarLoop]: 7577 mSDtfsCounter, 3702 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 11425 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:25,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 11425 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 02:18:26,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78269 states. [2022-07-20 02:18:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78269 to 78263. [2022-07-20 02:18:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78263 states, 53286 states have (on average 1.2473445182599556) internal successors, (66466), 54191 states have internal predecessors, (66466), 20467 states have call successors, (20467), 4630 states have call predecessors, (20467), 4506 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-20 02:18:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78263 states to 78263 states and 107690 transitions. [2022-07-20 02:18:29,357 INFO L78 Accepts]: Start accepts. Automaton has 78263 states and 107690 transitions. Word has length 238 [2022-07-20 02:18:29,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:29,358 INFO L495 AbstractCegarLoop]: Abstraction has 78263 states and 107690 transitions. [2022-07-20 02:18:29,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:18:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 78263 states and 107690 transitions. [2022-07-20 02:18:29,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-20 02:18:29,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:29,364 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:29,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 02:18:29,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:18:29,584 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:18:29,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:29,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1750386008, now seen corresponding path program 1 times [2022-07-20 02:18:29,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:18:29,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641526081] [2022-07-20 02:18:29,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:29,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:18:29,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:18:29,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:18:29,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 02:18:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:18:32,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-20 02:18:35,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:18:35,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:18:35,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641526081] [2022-07-20 02:18:35,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641526081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:35,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:35,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:18:35,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173065209] [2022-07-20 02:18:35,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:35,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:18:35,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:18:35,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:18:35,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:18:35,865 INFO L87 Difference]: Start difference. First operand 78263 states and 107690 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-20 02:18:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:37,958 INFO L93 Difference]: Finished difference Result 78269 states and 107695 transitions. [2022-07-20 02:18:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:18:37,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 238 [2022-07-20 02:18:37,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:38,376 INFO L225 Difference]: With dead ends: 78269 [2022-07-20 02:18:38,376 INFO L226 Difference]: Without dead ends: 78267 [2022-07-20 02:18:38,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:18:38,429 INFO L413 NwaCegarLoop]: 3872 mSDtfsCounter, 3779 mSDsluCounter, 7728 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 11600 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:38,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 11600 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 02:18:38,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78267 states. [2022-07-20 02:18:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78267 to 78267. [2022-07-20 02:18:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78267 states, 53289 states have (on average 1.2473305935558934) internal successors, (66469), 54194 states have internal predecessors, (66469), 20467 states have call successors, (20467), 4631 states have call predecessors, (20467), 4507 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-20 02:18:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78267 states to 78267 states and 107693 transitions. [2022-07-20 02:18:41,531 INFO L78 Accepts]: Start accepts. Automaton has 78267 states and 107693 transitions. Word has length 238 [2022-07-20 02:18:41,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:41,532 INFO L495 AbstractCegarLoop]: Abstraction has 78267 states and 107693 transitions. [2022-07-20 02:18:41,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-20 02:18:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 78267 states and 107693 transitions. [2022-07-20 02:18:41,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-20 02:18:41,540 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:41,540 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:41,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 02:18:41,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:18:41,756 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:18:41,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:41,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1646136858, now seen corresponding path program 1 times [2022-07-20 02:18:41,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:18:41,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988580787] [2022-07-20 02:18:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:41,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:18:41,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:18:41,759 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:18:41,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 02:18:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:18:44,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-20 02:18:47,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:18:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-20 02:18:49,398 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:18:49,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988580787] [2022-07-20 02:18:49,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988580787] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:18:49,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:18:49,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:18:49,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168877271] [2022-07-20 02:18:49,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:49,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:18:49,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:18:49,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:18:49,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:18:49,400 INFO L87 Difference]: Start difference. First operand 78267 states and 107693 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:18:51,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:51,603 INFO L93 Difference]: Finished difference Result 78273 states and 107698 transitions. [2022-07-20 02:18:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:18:51,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 243 [2022-07-20 02:18:51,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:51,983 INFO L225 Difference]: With dead ends: 78273 [2022-07-20 02:18:51,984 INFO L226 Difference]: Without dead ends: 78271 [2022-07-20 02:18:52,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:18:52,036 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3812 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:52,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3812 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 02:18:52,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78271 states. [2022-07-20 02:18:54,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78271 to 78271. [2022-07-20 02:18:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78271 states, 53292 states have (on average 1.2473166704195753) internal successors, (66472), 54197 states have internal predecessors, (66472), 20467 states have call successors, (20467), 4632 states have call predecessors, (20467), 4508 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-20 02:18:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78271 states to 78271 states and 107696 transitions. [2022-07-20 02:18:55,146 INFO L78 Accepts]: Start accepts. Automaton has 78271 states and 107696 transitions. Word has length 243 [2022-07-20 02:18:55,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:55,147 INFO L495 AbstractCegarLoop]: Abstraction has 78271 states and 107696 transitions. [2022-07-20 02:18:55,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:18:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 78271 states and 107696 transitions. [2022-07-20 02:18:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-20 02:18:55,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:55,153 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:55,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 02:18:55,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:18:55,354 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:18:55,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:55,355 INFO L85 PathProgramCache]: Analyzing trace with hash -534936104, now seen corresponding path program 1 times [2022-07-20 02:18:55,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:18:55,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295910807] [2022-07-20 02:18:55,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:55,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:18:55,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:18:55,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:18:55,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 02:18:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:58,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:18:58,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:19:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-20 02:19:02,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:19:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-20 02:19:03,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:19:03,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295910807] [2022-07-20 02:19:03,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295910807] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:19:03,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:19:03,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:19:03,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008593745] [2022-07-20 02:19:03,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:19:03,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:19:03,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:19:03,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:19:03,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:19:03,820 INFO L87 Difference]: Start difference. First operand 78271 states and 107696 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:19:05,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:19:05,772 INFO L93 Difference]: Finished difference Result 78277 states and 107701 transitions. [2022-07-20 02:19:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:19:05,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 248 [2022-07-20 02:19:05,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:19:06,059 INFO L225 Difference]: With dead ends: 78277 [2022-07-20 02:19:06,060 INFO L226 Difference]: Without dead ends: 78275 [2022-07-20 02:19:06,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:19:06,096 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:19:06,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 02:19:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78275 states. [2022-07-20 02:19:08,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78275 to 78275. [2022-07-20 02:19:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78275 states, 53295 states have (on average 1.2473027488507364) internal successors, (66475), 54200 states have internal predecessors, (66475), 20467 states have call successors, (20467), 4633 states have call predecessors, (20467), 4509 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-20 02:19:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78275 states to 78275 states and 107699 transitions. [2022-07-20 02:19:09,049 INFO L78 Accepts]: Start accepts. Automaton has 78275 states and 107699 transitions. Word has length 248 [2022-07-20 02:19:09,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:19:09,050 INFO L495 AbstractCegarLoop]: Abstraction has 78275 states and 107699 transitions. [2022-07-20 02:19:09,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:19:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 78275 states and 107699 transitions. [2022-07-20 02:19:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-20 02:19:09,057 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:19:09,057 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:19:09,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 02:19:09,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:19:09,273 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:19:09,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:19:09,273 INFO L85 PathProgramCache]: Analyzing trace with hash 254470871, now seen corresponding path program 1 times [2022-07-20 02:19:09,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:19:09,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884227269] [2022-07-20 02:19:09,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:09,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:19:09,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:19:09,277 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:19:09,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 02:19:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:11,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:19:11,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:19:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-07-20 02:19:12,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:19:12,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:19:12,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884227269] [2022-07-20 02:19:12,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884227269] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:19:12,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:19:12,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:19:12,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874795692] [2022-07-20 02:19:12,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:19:12,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:19:12,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:19:12,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:19:12,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:19:12,068 INFO L87 Difference]: Start difference. First operand 78275 states and 107699 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:19:15,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:19:15,726 INFO L93 Difference]: Finished difference Result 182324 states and 250944 transitions. [2022-07-20 02:19:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:19:15,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 264 [2022-07-20 02:19:15,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:19:16,478 INFO L225 Difference]: With dead ends: 182324 [2022-07-20 02:19:16,478 INFO L226 Difference]: Without dead ends: 112645 [2022-07-20 02:19:16,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:19:16,683 INFO L413 NwaCegarLoop]: 7593 mSDtfsCounter, 3741 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:19:16,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3741 Valid, 11443 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 02:19:16,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112645 states. [2022-07-20 02:19:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112645 to 112605. [2022-07-20 02:19:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112605 states, 76697 states have (on average 1.2473629998565785) internal successors, (95669), 77976 states have internal predecessors, (95669), 29417 states have call successors, (29417), 6669 states have call predecessors, (29417), 6487 states have return successors, (29843), 28772 states have call predecessors, (29843), 29413 states have call successors, (29843) [2022-07-20 02:19:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112605 states to 112605 states and 154929 transitions. [2022-07-20 02:19:21,495 INFO L78 Accepts]: Start accepts. Automaton has 112605 states and 154929 transitions. Word has length 264 [2022-07-20 02:19:21,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:19:21,496 INFO L495 AbstractCegarLoop]: Abstraction has 112605 states and 154929 transitions. [2022-07-20 02:19:21,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:19:21,496 INFO L276 IsEmpty]: Start isEmpty. Operand 112605 states and 154929 transitions. [2022-07-20 02:19:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 02:19:21,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:19:21,502 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:19:21,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 02:19:21,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:19:21,715 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:19:21,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:19:21,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1077391590, now seen corresponding path program 1 times [2022-07-20 02:19:21,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:19:21,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40858747] [2022-07-20 02:19:21,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:21,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:19:21,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:19:21,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:19:21,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 02:19:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:24,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:19:24,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:19:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-20 02:19:28,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:19:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-20 02:19:29,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:19:29,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40858747] [2022-07-20 02:19:29,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40858747] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:19:29,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:19:29,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:19:29,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119499623] [2022-07-20 02:19:29,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:19:29,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:19:29,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:19:29,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:19:29,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:19:29,431 INFO L87 Difference]: Start difference. First operand 112605 states and 154929 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)