./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 35987657 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-?-3598765 [2022-07-21 13:47:28,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:47:28,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:47:28,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:47:28,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:47:28,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:47:28,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:47:28,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:47:28,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:47:28,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:47:28,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:47:28,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:47:28,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:47:28,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:47:28,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:47:28,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:47:28,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:47:28,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:47:28,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:47:28,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:47:28,562 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:47:28,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:47:28,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:47:28,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:47:28,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:47:28,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:47:28,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:47:28,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:47:28,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:47:28,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:47:28,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:47:28,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:47:28,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:47:28,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:47:28,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:47:28,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:47:28,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:47:28,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:47:28,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:47:28,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:47:28,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:47:28,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:47:28,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:47:28,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:47:28,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:47:28,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:47:28,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:47:28,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:47:28,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:47:28,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:47:28,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:47:28,630 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:47:28,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:47:28,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:47:28,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:47:28,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:47:28,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:47:28,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:47:28,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:47:28,633 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:47:28,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:47:28,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:47:28,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:47:28,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:47:28,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:47:28,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:47:28,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:47:28,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:47:28,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:47:28,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:47:28,636 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:47:28,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:47:28,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:47:28,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-21 13:47:28,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:47:28,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:47:29,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:47:29,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:47:29,003 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:47:29,005 INFO L432 ainManager$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 [2022-07-21 13:47:29,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e01779e4/928202556ead4b2ea3859da9b5032334/FLAG039ca260f [2022-07-21 13:47:29,999 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:47:29,999 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 [2022-07-21 13:47:30,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e01779e4/928202556ead4b2ea3859da9b5032334/FLAG039ca260f [2022-07-21 13:47:30,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e01779e4/928202556ead4b2ea3859da9b5032334 [2022-07-21 13:47:30,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:47:30,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:47:30,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:47:30,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:47:30,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:47:30,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:30,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f929b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30, skipping insertion in model container [2022-07-21 13:47:30,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:30,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:47:30,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:47:35,869 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] [2022-07-21 13:47:35,873 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] [2022-07-21 13:47:35,873 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] [2022-07-21 13:47:35,874 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] [2022-07-21 13:47:35,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:35,941 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:47:36,194 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) [2022-07-21 13:47:36,211 INFO L158 Benchmark]: Toolchain (without parser) took 5622.75ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 39.0MB in the beginning and 63.8MB in the end (delta: -24.8MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2022-07-21 13:47:36,212 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:47:36,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5618.11ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 38.8MB in the beginning and 63.8MB in the end (delta: -25.0MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2022-07-21 13:47:36,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5618.11ms. Allocated memory was 62.9MB in the beginning and 140.5MB in the end (delta: 77.6MB). Free memory was 38.8MB in the beginning and 63.8MB in the end (delta: -25.0MB). Peak memory consumption was 60.0MB. 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-?-3598765 [2022-07-21 13:47:37,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:47:37,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:47:38,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:47:38,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:47:38,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:47:38,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:47:38,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:47:38,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:47:38,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:47:38,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:47:38,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:47:38,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:47:38,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:47:38,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:47:38,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:47:38,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:47:38,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:47:38,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:47:38,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:47:38,042 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:47:38,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:47:38,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:47:38,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:47:38,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:47:38,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:47:38,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:47:38,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:47:38,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:47:38,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:47:38,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:47:38,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:47:38,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:47:38,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:47:38,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:47:38,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:47:38,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:47:38,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:47:38,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:47:38,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:47:38,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:47:38,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:47:38,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:47:38,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:47:38,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:47:38,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:47:38,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:47:38,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:47:38,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:47:38,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:47:38,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:47:38,108 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:47:38,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:47:38,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:47:38,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:47:38,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:47:38,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:47:38,110 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:47:38,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:47:38,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:47:38,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:47:38,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:47:38,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:47:38,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:47:38,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:47:38,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:47:38,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:47:38,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:47:38,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:47:38,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:47:38,123 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:47:38,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:47:38,123 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:47:38,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:47:38,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:47:38,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:47:38,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-21 13:47:38,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:47:38,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:47:38,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:47:38,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:47:38,440 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:47:38,441 INFO L432 ainManager$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 [2022-07-21 13:47:38,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7b1dc6d/c76f4eaff55b465899cea7c0b3d7b07d/FLAG0833644a6 [2022-07-21 13:47:39,394 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:47:39,395 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 [2022-07-21 13:47:39,461 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7b1dc6d/c76f4eaff55b465899cea7c0b3d7b07d/FLAG0833644a6 [2022-07-21 13:47:39,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7b1dc6d/c76f4eaff55b465899cea7c0b3d7b07d [2022-07-21 13:47:39,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:47:39,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:47:39,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:47:39,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:47:39,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:47:39,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:39" (1/1) ... [2022-07-21 13:47:39,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eaaad87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:39, skipping insertion in model container [2022-07-21 13:47:39,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:39" (1/1) ... [2022-07-21 13:47:39,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:47:39,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:47:44,803 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] [2022-07-21 13:47:44,806 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] [2022-07-21 13:47:44,806 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] [2022-07-21 13:47:44,807 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] [2022-07-21 13:47:44,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:44,883 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:47:44,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:47:45,345 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] [2022-07-21 13:47:45,346 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] [2022-07-21 13:47:45,346 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] [2022-07-21 13:47:45,347 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] [2022-07-21 13:47:45,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:45,391 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:47:45,867 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] [2022-07-21 13:47:45,868 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] [2022-07-21 13:47:45,868 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] [2022-07-21 13:47:45,869 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] [2022-07-21 13:47:45,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:46,162 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:47:46,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46 WrapperNode [2022-07-21 13:47:46,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:47:46,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:47:46,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:47:46,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:47:46,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,515 INFO L137 Inliner]: procedures = 640, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7724 [2022-07-21 13:47:46,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:47:46,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:47:46,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:47:46,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:47:46,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:47:46,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:47:46,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:47:46,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:47:46,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (1/1) ... [2022-07-21 13:47:46,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:47:46,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:47:46,941 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) [2022-07-21 13:47:46,967 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 [2022-07-21 13:47:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 13:47:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 13:47:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 13:47:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 13:47:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-21 13:47:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-21 13:47:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:47:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:47:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-21 13:47:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-21 13:47:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 13:47:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 13:47:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:47:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:47:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-21 13:47:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-21 13:47:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:47:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:47:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-21 13:47:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-21 13:47:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-21 13:47:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-21 13:47:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-07-21 13:47:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-07-21 13:47:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:47:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:47:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 13:47:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 13:47:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:47:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:47:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:47:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:47:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:47:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:47:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-21 13:47:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-21 13:47:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-07-21 13:47:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-07-21 13:47:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-21 13:47:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-21 13:47:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-07-21 13:47:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-07-21 13:47:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:47:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:47:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:47:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:47:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-21 13:47:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-21 13:47:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:47:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:47:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 13:47:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 13:47:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:47:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:47:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:47:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:47:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 13:47:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 13:47:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-21 13:47:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-21 13:47:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 13:47:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 13:47:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 13:47:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 13:47:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:47:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-21 13:47:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-21 13:47:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 13:47:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:47:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:47:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:47:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-21 13:47:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-21 13:47:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 13:47:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 13:47:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-21 13:47:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-21 13:47:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 13:47:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 13:47:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 13:47:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 13:47:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:47:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:47:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-21 13:47:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-21 13:47:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:47:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:47:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:47:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:47:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-21 13:47:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-21 13:47:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:47:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:47:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 13:47:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 13:47:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:47:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:47:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:47:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:47:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 13:47:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 13:47:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 13:47:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 13:47:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:47:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:47:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-21 13:47:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-21 13:47:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:47:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:47:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-21 13:47:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-21 13:47:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 13:47:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 13:47:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:47:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:47:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-21 13:47:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-21 13:47:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:47:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:47:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:47:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-21 13:47:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-21 13:47:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:47:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:47:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:47:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:47:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:47:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 13:47:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 13:47:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:47:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:47:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:47:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:47:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:47:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 13:47:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:47:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:47:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:47:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 13:47:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 13:47:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-21 13:47:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-21 13:47:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-21 13:47:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-21 13:47:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 13:47:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 13:47:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-21 13:47:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-21 13:47:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 13:47:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 13:47:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-21 13:47:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-21 13:47:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 13:47:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 13:47:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 13:47:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 13:47:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:47:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:47:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:47:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:47:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-21 13:47:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-21 13:47:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-21 13:47:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-21 13:47:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:47:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:47:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:47:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:47:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-21 13:47:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-21 13:47:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:47:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 13:47:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 13:47:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-21 13:47:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-21 13:47:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:47:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:47:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 13:47:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 13:47:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:47:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:47:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:47:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:47:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:47:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:47:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:47:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:47:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:47:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:47:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:47:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:47:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 13:47:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 13:47:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-21 13:47:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-21 13:47:47,023 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 13:47:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 13:47:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 13:47:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 13:47:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-21 13:47:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-21 13:47:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-21 13:47:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-21 13:47:47,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 13:47:47,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 13:47:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 13:47:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 13:47:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 13:47:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 13:47:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-21 13:47:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-21 13:47:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 13:47:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 13:47:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:47:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:47:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-21 13:47:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-21 13:47:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:47:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:47:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 13:47:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 13:47:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:47:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 13:47:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 13:47:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 13:47:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 13:47:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:47:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:47:47,027 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-21 13:47:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-21 13:47:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:47:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-21 13:47:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-21 13:47:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-21 13:47:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-21 13:47:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 13:47:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 13:47:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:47:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:47:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:47:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-21 13:47:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-21 13:47:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:47:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:47:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-21 13:47:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-21 13:47:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 13:47:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 13:47:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 13:47:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 13:47:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:47:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:47:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:47:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:47:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 13:47:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 13:47:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 13:47:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 13:47:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-21 13:47:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-21 13:47:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-07-21 13:47:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-07-21 13:47:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-21 13:47:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-21 13:47:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-21 13:47:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-21 13:47:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:47:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:47:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 13:47:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 13:47:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-07-21 13:47:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-07-21 13:47:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:47:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:47:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 13:47:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 13:47:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-21 13:47:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-21 13:47:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:47:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:47:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-21 13:47:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-21 13:47:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:47:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:47:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:47:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:47:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:47:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:47:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-07-21 13:47:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-07-21 13:47:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-21 13:47:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-21 13:47:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-21 13:47:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-21 13:47:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:47:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:47:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 13:47:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 13:47:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-07-21 13:47:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-07-21 13:47:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 13:47:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 13:47:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-21 13:47:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-21 13:47:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-21 13:47:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-21 13:47:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:47:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:47:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 13:47:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 13:47:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-21 13:47:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-21 13:47:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 13:47:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 13:47:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 13:47:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 13:47:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-21 13:47:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-21 13:47:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-21 13:47:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-21 13:47:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:47:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:47:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-21 13:47:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-21 13:47:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:47:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:47:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-21 13:47:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-21 13:47:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-21 13:47:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-21 13:47:48,175 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:47:48,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:47:49,414 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:48:56,730 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:48:57,238 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:48:57,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:48:57,311 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 13:48:57,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:48:57 BoogieIcfgContainer [2022-07-21 13:48:57,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:48:57,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:48:57,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:48:57,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:48:57,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:47:39" (1/3) ... [2022-07-21 13:48:57,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d87c8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:48:57, skipping insertion in model container [2022-07-21 13:48:57,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:46" (2/3) ... [2022-07-21 13:48:57,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d87c8be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:48:57, skipping insertion in model container [2022-07-21 13:48:57,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:48:57" (3/3) ... [2022-07-21 13:48:57,326 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-21 13:48:57,341 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:48:57,341 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-21 13:48:57,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:48:57,444 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@454e9968, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@219c014c [2022-07-21 13:48:57,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-21 13:48:57,457 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) [2022-07-21 13:48:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-21 13:48:57,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:57,477 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] [2022-07-21 13:48:57,478 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)] === [2022-07-21 13:48:57,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:57,482 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2022-07-21 13:48:57,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:48:57,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291646319] [2022-07-21 13:48:57,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:57,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:48:57,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:48:57,503 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) [2022-07-21 13:48:57,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:49:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:00,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:00,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-21 13:49:00,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:00,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:00,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291646319] [2022-07-21 13:49:00,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291646319] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:00,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:00,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:00,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852788865] [2022-07-21 13:49:00,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:00,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:00,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:01,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:01,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:01,035 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) [2022-07-21 13:49:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:01,722 INFO L93 Difference]: Finished difference Result 8301 states and 11697 transitions. [2022-07-21 13:49:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:01,725 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 [2022-07-21 13:49:01,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:01,786 INFO L225 Difference]: With dead ends: 8301 [2022-07-21 13:49:01,786 INFO L226 Difference]: Without dead ends: 5495 [2022-07-21 13:49:01,816 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 [2022-07-21 13:49:01,823 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:49:01,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 8458 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 13:49:01,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2022-07-21 13:49:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5462. [2022-07-21 13:49:02,197 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) [2022-07-21 13:49:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 5462 states and 7558 transitions. [2022-07-21 13:49:02,245 INFO L78 Accepts]: Start accepts. Automaton has 5462 states and 7558 transitions. Word has length 181 [2022-07-21 13:49:02,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:02,248 INFO L495 AbstractCegarLoop]: Abstraction has 5462 states and 7558 transitions. [2022-07-21 13:49:02,249 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) [2022-07-21 13:49:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5462 states and 7558 transitions. [2022-07-21 13:49:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-21 13:49:02,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:02,258 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] [2022-07-21 13:49:02,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:02,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:02,472 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)] === [2022-07-21 13:49:02,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:02,473 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2022-07-21 13:49:02,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:02,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472638662] [2022-07-21 13:49:02,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:02,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:02,478 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) [2022-07-21 13:49:02,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:49:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:05,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:05,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-21 13:49:05,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:05,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:05,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472638662] [2022-07-21 13:49:05,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472638662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:05,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:05,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:05,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889508166] [2022-07-21 13:49:05,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:05,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:05,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:05,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:05,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:05,448 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) [2022-07-21 13:49:06,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:06,243 INFO L93 Difference]: Finished difference Result 16189 states and 22397 transitions. [2022-07-21 13:49:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:06,244 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 [2022-07-21 13:49:06,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:06,331 INFO L225 Difference]: With dead ends: 16189 [2022-07-21 13:49:06,331 INFO L226 Difference]: Without dead ends: 10760 [2022-07-21 13:49:06,362 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 [2022-07-21 13:49:06,363 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 [2022-07-21 13:49:06,363 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] [2022-07-21 13:49:06,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2022-07-21 13:49:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10754. [2022-07-21 13:49:06,747 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) [2022-07-21 13:49:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 14869 transitions. [2022-07-21 13:49:06,808 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 14869 transitions. Word has length 182 [2022-07-21 13:49:06,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:06,809 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 14869 transitions. [2022-07-21 13:49:06,809 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) [2022-07-21 13:49:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 14869 transitions. [2022-07-21 13:49:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-21 13:49:06,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:06,814 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] [2022-07-21 13:49:06,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:07,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:07,028 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)] === [2022-07-21 13:49:07,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:07,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2022-07-21 13:49:07,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:07,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101967744] [2022-07-21 13:49:07,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:07,031 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:07,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:07,033 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) [2022-07-21 13:49:07,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:49:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:09,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:09,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-21 13:49:10,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:10,087 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:10,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101967744] [2022-07-21 13:49:10,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101967744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:10,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:10,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:10,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946332422] [2022-07-21 13:49:10,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:10,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:10,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:10,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:10,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:10,089 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) [2022-07-21 13:49:11,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:11,069 INFO L93 Difference]: Finished difference Result 32038 states and 44367 transitions. [2022-07-21 13:49:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:11,070 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 [2022-07-21 13:49:11,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:11,243 INFO L225 Difference]: With dead ends: 32038 [2022-07-21 13:49:11,243 INFO L226 Difference]: Without dead ends: 21317 [2022-07-21 13:49:11,312 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 [2022-07-21 13:49:11,315 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 [2022-07-21 13:49:11,316 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] [2022-07-21 13:49:11,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21317 states. [2022-07-21 13:49:12,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21317 to 21278. [2022-07-21 13:49:12,275 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) [2022-07-21 13:49:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21278 states to 21278 states and 29479 transitions. [2022-07-21 13:49:12,416 INFO L78 Accepts]: Start accepts. Automaton has 21278 states and 29479 transitions. Word has length 196 [2022-07-21 13:49:12,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:12,419 INFO L495 AbstractCegarLoop]: Abstraction has 21278 states and 29479 transitions. [2022-07-21 13:49:12,419 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) [2022-07-21 13:49:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand 21278 states and 29479 transitions. [2022-07-21 13:49:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-21 13:49:12,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:12,427 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] [2022-07-21 13:49:12,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:12,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:12,648 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)] === [2022-07-21 13:49:12,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:12,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2022-07-21 13:49:12,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:12,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363971188] [2022-07-21 13:49:12,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:12,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:12,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:12,654 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) [2022-07-21 13:49:12,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:49:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:15,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:15,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-21 13:49:15,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:15,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:15,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363971188] [2022-07-21 13:49:15,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363971188] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:15,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:15,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:15,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949469561] [2022-07-21 13:49:15,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:15,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:15,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:15,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:15,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:15,586 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) [2022-07-21 13:49:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:16,638 INFO L93 Difference]: Finished difference Result 48087 states and 66589 transitions. [2022-07-21 13:49:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:16,639 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 [2022-07-21 13:49:16,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:16,797 INFO L225 Difference]: With dead ends: 48087 [2022-07-21 13:49:16,797 INFO L226 Difference]: Without dead ends: 26842 [2022-07-21 13:49:16,882 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 [2022-07-21 13:49:16,884 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 [2022-07-21 13:49:16,885 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] [2022-07-21 13:49:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26842 states. [2022-07-21 13:49:18,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26842 to 26803. [2022-07-21 13:49:18,050 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) [2022-07-21 13:49:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26803 states to 26803 states and 37089 transitions. [2022-07-21 13:49:18,301 INFO L78 Accepts]: Start accepts. Automaton has 26803 states and 37089 transitions. Word has length 204 [2022-07-21 13:49:18,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:18,301 INFO L495 AbstractCegarLoop]: Abstraction has 26803 states and 37089 transitions. [2022-07-21 13:49:18,301 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) [2022-07-21 13:49:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 26803 states and 37089 transitions. [2022-07-21 13:49:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-21 13:49:18,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:18,306 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] [2022-07-21 13:49:18,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:18,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:18,532 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)] === [2022-07-21 13:49:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:18,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2022-07-21 13:49:18,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:18,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490655899] [2022-07-21 13:49:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:18,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:18,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:18,537 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) [2022-07-21 13:49:18,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:49:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:21,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:21,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:21,486 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-21 13:49:21,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:21,487 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:21,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490655899] [2022-07-21 13:49:21,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490655899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:21,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:21,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:21,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398777867] [2022-07-21 13:49:21,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:21,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:21,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:21,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:21,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:21,490 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) [2022-07-21 13:49:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:23,448 INFO L93 Difference]: Finished difference Result 70761 states and 97622 transitions. [2022-07-21 13:49:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:23,449 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 [2022-07-21 13:49:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:24,020 INFO L225 Difference]: With dead ends: 70761 [2022-07-21 13:49:24,020 INFO L226 Difference]: Without dead ends: 43991 [2022-07-21 13:49:24,150 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 [2022-07-21 13:49:24,151 INFO L413 NwaCegarLoop]: 4392 mSDtfsCounter, 2588 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2022-07-21 13:49:24,151 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] [2022-07-21 13:49:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43991 states. [2022-07-21 13:49:25,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43991 to 43949. [2022-07-21 13:49:26,069 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) [2022-07-21 13:49:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43949 states to 43949 states and 60476 transitions. [2022-07-21 13:49:26,333 INFO L78 Accepts]: Start accepts. Automaton has 43949 states and 60476 transitions. Word has length 209 [2022-07-21 13:49:26,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:26,335 INFO L495 AbstractCegarLoop]: Abstraction has 43949 states and 60476 transitions. [2022-07-21 13:49:26,335 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) [2022-07-21 13:49:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 43949 states and 60476 transitions. [2022-07-21 13:49:26,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-21 13:49:26,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:26,341 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] [2022-07-21 13:49:26,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:26,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:26,564 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)] === [2022-07-21 13:49:26,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:26,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1609837398, now seen corresponding path program 1 times [2022-07-21 13:49:26,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:26,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128249530] [2022-07-21 13:49:26,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:26,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:26,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:26,569 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) [2022-07-21 13:49:26,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:49:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:29,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:29,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-07-21 13:49:29,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:29,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:29,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128249530] [2022-07-21 13:49:29,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128249530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:29,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:29,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:29,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514537401] [2022-07-21 13:49:30,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:30,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:30,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:30,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:30,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:30,002 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) [2022-07-21 13:49:32,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:32,368 INFO L93 Difference]: Finished difference Result 113622 states and 156421 transitions. [2022-07-21 13:49:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:32,369 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 [2022-07-21 13:49:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:32,987 INFO L225 Difference]: With dead ends: 113622 [2022-07-21 13:49:32,988 INFO L226 Difference]: Without dead ends: 78269 [2022-07-21 13:49:33,333 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 [2022-07-21 13:49:33,334 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:49:33,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 11425 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 13:49:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78269 states. [2022-07-21 13:49:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78269 to 78263. [2022-07-21 13:49:36,046 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) [2022-07-21 13:49:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78263 states to 78263 states and 107690 transitions. [2022-07-21 13:49:36,876 INFO L78 Accepts]: Start accepts. Automaton has 78263 states and 107690 transitions. Word has length 238 [2022-07-21 13:49:36,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:36,877 INFO L495 AbstractCegarLoop]: Abstraction has 78263 states and 107690 transitions. [2022-07-21 13:49:36,877 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) [2022-07-21 13:49:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 78263 states and 107690 transitions. [2022-07-21 13:49:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-21 13:49:36,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:36,884 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] [2022-07-21 13:49:36,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:37,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:37,100 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)] === [2022-07-21 13:49:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1750386008, now seen corresponding path program 1 times [2022-07-21 13:49:37,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:37,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43008856] [2022-07-21 13:49:37,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:37,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:37,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:37,104 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) [2022-07-21 13:49:37,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:49:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:40,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:49:40,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-21 13:49:44,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:44,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:44,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43008856] [2022-07-21 13:49:44,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43008856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:44,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:44,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:49:44,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429082894] [2022-07-21 13:49:44,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:44,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:49:44,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:44,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:49:44,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:49:44,005 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) [2022-07-21 13:49:45,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:45,945 INFO L93 Difference]: Finished difference Result 78269 states and 107695 transitions. [2022-07-21 13:49:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:49:45,946 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 [2022-07-21 13:49:45,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:46,335 INFO L225 Difference]: With dead ends: 78269 [2022-07-21 13:49:46,336 INFO L226 Difference]: Without dead ends: 78267 [2022-07-21 13:49:46,374 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 [2022-07-21 13:49:46,375 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 [2022-07-21 13:49:46,375 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] [2022-07-21 13:49:46,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78267 states. [2022-07-21 13:49:48,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78267 to 78267. [2022-07-21 13:49:48,996 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) [2022-07-21 13:49:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78267 states to 78267 states and 107693 transitions. [2022-07-21 13:49:49,392 INFO L78 Accepts]: Start accepts. Automaton has 78267 states and 107693 transitions. Word has length 238 [2022-07-21 13:49:49,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:49,393 INFO L495 AbstractCegarLoop]: Abstraction has 78267 states and 107693 transitions. [2022-07-21 13:49:49,393 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) [2022-07-21 13:49:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 78267 states and 107693 transitions. [2022-07-21 13:49:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-21 13:49:49,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:49,400 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] [2022-07-21 13:49:49,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-21 13:49:49,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:49,620 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)] === [2022-07-21 13:49:49,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:49,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1646136858, now seen corresponding path program 1 times [2022-07-21 13:49:49,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:49,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990244170] [2022-07-21 13:49:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:49,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:49,623 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) [2022-07-21 13:49:49,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 13:49:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:52,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:49:52,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-21 13:49:56,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:49:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-21 13:49:57,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:57,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990244170] [2022-07-21 13:49:57,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990244170] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:49:57,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:49:57,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:49:57,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053949185] [2022-07-21 13:49:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:57,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:49:57,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:57,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:49:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:49:57,950 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) [2022-07-21 13:49:59,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:59,971 INFO L93 Difference]: Finished difference Result 78273 states and 107698 transitions. [2022-07-21 13:49:59,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:49:59,973 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 [2022-07-21 13:49:59,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:50:00,518 INFO L225 Difference]: With dead ends: 78273 [2022-07-21 13:50:00,518 INFO L226 Difference]: Without dead ends: 78271 [2022-07-21 13:50:00,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:50:00,564 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, 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:50:00,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3812 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:50:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78271 states. [2022-07-21 13:50:02,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78271 to 78271. [2022-07-21 13:50:02,837 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) [2022-07-21 13:50:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78271 states to 78271 states and 107696 transitions. [2022-07-21 13:50:03,155 INFO L78 Accepts]: Start accepts. Automaton has 78271 states and 107696 transitions. Word has length 243 [2022-07-21 13:50:03,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:50:03,156 INFO L495 AbstractCegarLoop]: Abstraction has 78271 states and 107696 transitions. [2022-07-21 13:50:03,156 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) [2022-07-21 13:50:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 78271 states and 107696 transitions. [2022-07-21 13:50:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-21 13:50:03,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:50:03,163 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] [2022-07-21 13:50:03,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 13:50:03,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:50:03,383 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)] === [2022-07-21 13:50:03,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:50:03,384 INFO L85 PathProgramCache]: Analyzing trace with hash -534936104, now seen corresponding path program 1 times [2022-07-21 13:50:03,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:50:03,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425285225] [2022-07-21 13:50:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:50:03,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:50:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:50:03,387 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) [2022-07-21 13:50:03,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 13:50:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:50:06,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:50:06,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:50:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-21 13:50:10,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:50:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-21 13:50:11,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:50:11,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425285225] [2022-07-21 13:50:11,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425285225] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:50:11,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:50:11,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:50:11,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858680426] [2022-07-21 13:50:11,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:50:11,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:50:11,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:50:11,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:50:11,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:50:11,581 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) [2022-07-21 13:50:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:50:13,728 INFO L93 Difference]: Finished difference Result 78277 states and 107701 transitions. [2022-07-21 13:50:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:50:13,729 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 [2022-07-21 13:50:13,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:50:13,999 INFO L225 Difference]: With dead ends: 78277 [2022-07-21 13:50:13,999 INFO L226 Difference]: Without dead ends: 78275 [2022-07-21 13:50:14,034 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 [2022-07-21 13:50:14,035 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 [2022-07-21 13:50:14,035 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] [2022-07-21 13:50:14,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78275 states. [2022-07-21 13:50:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78275 to 78275. [2022-07-21 13:50:16,303 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) [2022-07-21 13:50:16,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78275 states to 78275 states and 107699 transitions. [2022-07-21 13:50:16,808 INFO L78 Accepts]: Start accepts. Automaton has 78275 states and 107699 transitions. Word has length 248 [2022-07-21 13:50:16,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:50:16,809 INFO L495 AbstractCegarLoop]: Abstraction has 78275 states and 107699 transitions. [2022-07-21 13:50:16,809 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) [2022-07-21 13:50:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 78275 states and 107699 transitions. [2022-07-21 13:50:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-21 13:50:16,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:50:16,814 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] [2022-07-21 13:50:16,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-21 13:50:17,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:50:17,016 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)] === [2022-07-21 13:50:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:50:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash 254470871, now seen corresponding path program 1 times [2022-07-21 13:50:17,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:50:17,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954098197] [2022-07-21 13:50:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:50:17,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:50:17,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:50:17,020 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) [2022-07-21 13:50:17,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 13:50:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:50:19,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:50:19,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:50:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-07-21 13:50:19,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:50:19,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:50:19,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954098197] [2022-07-21 13:50:19,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954098197] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:50:19,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:50:19,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:50:19,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661750942] [2022-07-21 13:50:19,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:50:19,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:50:19,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:50:19,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:50:19,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:50:19,719 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) [2022-07-21 13:50:23,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:50:23,399 INFO L93 Difference]: Finished difference Result 182324 states and 250944 transitions. [2022-07-21 13:50:23,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:50:23,400 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 [2022-07-21 13:50:23,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:50:23,995 INFO L225 Difference]: With dead ends: 182324 [2022-07-21 13:50:23,995 INFO L226 Difference]: Without dead ends: 112645 [2022-07-21 13:50:24,215 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 [2022-07-21 13:50:24,215 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:50:24,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3741 Valid, 11443 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 13:50:24,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112645 states. [2022-07-21 13:50:28,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112645 to 112605. [2022-07-21 13:50:28,319 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) [2022-07-21 13:50:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112605 states to 112605 states and 154929 transitions. [2022-07-21 13:50:29,169 INFO L78 Accepts]: Start accepts. Automaton has 112605 states and 154929 transitions. Word has length 264 [2022-07-21 13:50:29,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:50:29,170 INFO L495 AbstractCegarLoop]: Abstraction has 112605 states and 154929 transitions. [2022-07-21 13:50:29,170 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) [2022-07-21 13:50:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 112605 states and 154929 transitions. [2022-07-21 13:50:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 13:50:29,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:50:29,176 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] [2022-07-21 13:50:29,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 13:50:29,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:50:29,395 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)] === [2022-07-21 13:50:29,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:50:29,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1077391590, now seen corresponding path program 1 times [2022-07-21 13:50:29,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:50:29,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6892566] [2022-07-21 13:50:29,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:50:29,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:50:29,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:50:29,401 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) [2022-07-21 13:50:29,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 13:50:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:50:31,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:50:31,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:50:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-21 13:50:35,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:50:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-21 13:50:37,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:50:37,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6892566] [2022-07-21 13:50:37,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6892566] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:50:37,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:50:37,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:50:37,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345706878] [2022-07-21 13:50:37,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:50:37,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:50:37,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:50:37,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:50:37,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:50:37,160 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) [2022-07-21 13:50:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:50:40,291 INFO L93 Difference]: Finished difference Result 112611 states and 154934 transitions. [2022-07-21 13:50:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:50:40,291 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, (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) Word has length 253 [2022-07-21 13:50:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:50:40,761 INFO L225 Difference]: With dead ends: 112611 [2022-07-21 13:50:40,761 INFO L226 Difference]: Without dead ends: 112609 [2022-07-21 13:50:40,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:50:40,812 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, 3810 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 [2022-07-21 13:50:40,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3810 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:50:40,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112609 states. [2022-07-21 13:50:44,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112609 to 112609. [2022-07-21 13:50:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112609 states, 76700 states have (on average 1.2473533246414603) internal successors, (95672), 77979 states have internal predecessors, (95672), 29417 states have call successors, (29417), 6670 states have call predecessors, (29417), 6488 states have return successors, (29843), 28772 states have call predecessors, (29843), 29413 states have call successors, (29843)