./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:59:58,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:59:58,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:59:58,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:59:58,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:59:58,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:59:58,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:59:58,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:59:58,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:59:58,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:59:58,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:59:58,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:59:58,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:59:58,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:59:58,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:59:58,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:59:58,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:59:58,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:59:58,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:59:58,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:59:58,454 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:59:58,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:59:58,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:59:58,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:59:58,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:59:58,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:59:58,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:59:58,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:59:58,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:59:58,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:59:58,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:59:58,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:59:58,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:59:58,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:59:58,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:59:58,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:59:58,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:59:58,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:59:58,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:59:58,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:59:58,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:59:58,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:59:58,472 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:59:58,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:59:58,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:59:58,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:59:58,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:59:58,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:59:58,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:59:58,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:59:58,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:59:58,504 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:59:58,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:59:58,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:59:58,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:59:58,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:59:58,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:59:58,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:59:58,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:59:58,505 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:59:58,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:59:58,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:59:58,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:59:58,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:59:58,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:59:58,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:59:58,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:59:58,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:59:58,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:59:58,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:59:58,508 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:59:58,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:59:58,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:59:58,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d [2022-07-14 03:59:58,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:59:58,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:59:58,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:59:58,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:59:58,741 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:59:58,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 03:59:58,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5b95842/d3928f59ef93479b8a5a33a1303079cc/FLAGe5ba83719 [2022-07-14 03:59:59,516 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:59:59,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 03:59:59,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5b95842/d3928f59ef93479b8a5a33a1303079cc/FLAGe5ba83719 [2022-07-14 03:59:59,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff5b95842/d3928f59ef93479b8a5a33a1303079cc [2022-07-14 03:59:59,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:59:59,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:59:59,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:59:59,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:59:59,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:59:59,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:59" (1/1) ... [2022-07-14 03:59:59,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6616a9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:59, skipping insertion in model container [2022-07-14 03:59:59,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:59" (1/1) ... [2022-07-14 03:59:59,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:00:00,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:00:02,471 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-14 04:00:02,474 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-14 04:00:02,474 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-14 04:00:02,475 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-14 04:00:02,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:00:02,526 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:00:02,781 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: mode = (unsigned int )mode & 223U [12949] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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) [2022-07-14 04:00:02,789 INFO L158 Benchmark]: Toolchain (without parser) took 2956.63ms. Allocated memory was 117.4MB in the beginning and 178.3MB in the end (delta: 60.8MB). Free memory was 68.1MB in the beginning and 96.9MB in the end (delta: -28.8MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-07-14 04:00:02,790 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:00:02,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2953.74ms. Allocated memory was 117.4MB in the beginning and 178.3MB in the end (delta: 60.8MB). Free memory was 67.8MB in the beginning and 96.9MB in the end (delta: -29.1MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-07-14 04:00:02,792 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2953.74ms. Allocated memory was 117.4MB in the beginning and 178.3MB in the end (delta: 60.8MB). Free memory was 67.8MB in the beginning and 96.9MB in the end (delta: -29.1MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12949] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12949]: 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:00:04,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:00:04,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:00:04,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:00:04,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:00:04,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:00:04,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:00:04,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:00:04,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:00:04,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:00:04,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:00:04,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:00:04,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:00:04,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:00:04,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:00:04,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:00:04,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:00:04,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:00:04,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:00:04,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:00:04,818 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:00:04,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:00:04,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:00:04,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:00:04,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:00:04,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:00:04,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:00:04,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:00:04,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:00:04,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:00:04,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:00:04,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:00:04,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:00:04,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:00:04,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:00:04,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:00:04,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:00:04,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:00:04,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:00:04,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:00:04,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:00:04,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:00:04,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:00:04,860 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:00:04,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:00:04,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:00:04,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:00:04,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:00:04,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:00:04,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:00:04,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:00:04,862 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:00:04,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:00:04,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:00:04,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:00:04,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:00:04,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:00:04,864 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:00:04,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:00:04,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:00:04,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:00:04,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:00:04,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:00:04,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:00:04,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:00:04,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:00:04,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:00:04,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:00:04,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:00:04,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:00:04,866 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:00:04,866 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:00:04,866 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:00:04,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:00:04,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:00:04,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:00:04,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d [2022-07-14 04:00:05,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:00:05,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:00:05,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:00:05,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:00:05,270 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:00:05,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 04:00:05,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899fecad2/ec13f47344964fdfa0939d3866731ad3/FLAGf2b8e55d0 [2022-07-14 04:00:06,179 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:00:06,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 04:00:06,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899fecad2/ec13f47344964fdfa0939d3866731ad3/FLAGf2b8e55d0 [2022-07-14 04:00:06,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899fecad2/ec13f47344964fdfa0939d3866731ad3 [2022-07-14 04:00:06,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:00:06,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:00:06,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:00:06,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:00:06,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:00:06,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:00:06" (1/1) ... [2022-07-14 04:00:06,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bef514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:06, skipping insertion in model container [2022-07-14 04:00:06,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:00:06" (1/1) ... [2022-07-14 04:00:06,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:00:06,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:00:09,277 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-14 04:00:09,280 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-14 04:00:09,280 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-14 04:00:09,280 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-14 04:00:09,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:00:09,338 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:00:09,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:00:09,641 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-14 04:00:09,641 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-14 04:00:09,642 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-14 04:00:09,642 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-14 04:00:09,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:00:09,695 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:00:09,999 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470671,470684] [2022-07-14 04:00:10,000 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[470837,470850] [2022-07-14 04:00:10,001 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471001,471014] [2022-07-14 04:00:10,002 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[471166,471179] [2022-07-14 04:00:10,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:00:10,223 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:00:10,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10 WrapperNode [2022-07-14 04:00:10,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:00:10,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:00:10,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:00:10,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:00:10,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,492 INFO L137 Inliner]: procedures = 328, calls = 4214, calls flagged for inlining = 171, calls inlined = 156, statements flattened = 6901 [2022-07-14 04:00:10,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:00:10,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:00:10,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:00:10,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:00:10,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:00:10,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:00:10,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:00:10,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:00:10,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (1/1) ... [2022-07-14 04:00:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:00:10,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:00:10,871 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) [2022-07-14 04:00:10,890 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 [2022-07-14 04:00:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-14 04:00:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-14 04:00:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-14 04:00:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-14 04:00:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:00:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-14 04:00:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-14 04:00:10,903 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 04:00:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 04:00:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-14 04:00:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-14 04:00:10,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:00:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:00:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:00:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:00:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:00:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:00:10,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-14 04:00:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-14 04:00:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:00:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:00:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-14 04:00:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-14 04:00:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-14 04:00:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-14 04:00:10,906 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-14 04:00:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-14 04:00:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-14 04:00:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-14 04:00:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-14 04:00:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-14 04:00:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-14 04:00:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-14 04:00:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-14 04:00:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-14 04:00:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-14 04:00:10,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-14 04:00:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-14 04:00:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-14 04:00:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-14 04:00:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-14 04:00:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-14 04:00:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-14 04:00:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-14 04:00:10,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-14 04:00:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-14 04:00:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-14 04:00:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:00:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-14 04:00:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-14 04:00:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-14 04:00:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-14 04:00:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:00:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:00:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:00:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:00:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:00:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-14 04:00:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-14 04:00:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 04:00:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 04:00:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:00:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:00:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-14 04:00:10,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-14 04:00:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:00:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:00:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-14 04:00:10,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-14 04:00:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:00:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 04:00:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:00:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:00:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:00:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-14 04:00:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-14 04:00:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:00:10,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:00:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-14 04:00:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-14 04:00:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-14 04:00:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-14 04:00:10,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-14 04:00:10,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-14 04:00:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-14 04:00:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-14 04:00:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fe_lock_of_mxl111sf_state [2022-07-14 04:00:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fe_lock_of_mxl111sf_state [2022-07-14 04:00:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:00:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:00:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-14 04:00:10,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-14 04:00:10,917 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-14 04:00:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-14 04:00:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:00:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:00:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-14 04:00:10,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-14 04:00:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 04:00:10,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 04:00:10,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:00:10,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:00:10,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:00:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:00:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-14 04:00:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-14 04:00:10,923 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-14 04:00:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-14 04:00:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-14 04:00:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-14 04:00:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:00:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:00:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-14 04:00:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-14 04:00:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:00:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:00:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-14 04:00:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-14 04:00:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-14 04:00:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-14 04:00:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 04:00:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 04:00:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:00:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:00:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-14 04:00:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-14 04:00:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:00:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:00:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:00:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:00:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:00:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:00:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-14 04:00:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-14 04:00:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:00:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:00:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-14 04:00:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-14 04:00:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:00:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:00:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:00:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:00:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-14 04:00:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-14 04:00:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-14 04:00:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-14 04:00:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-14 04:00:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-14 04:00:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:00:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:00:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-14 04:00:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-14 04:00:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-14 04:00:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-14 04:00:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-14 04:00:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-14 04:00:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-14 04:00:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-14 04:00:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-14 04:00:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-14 04:00:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-14 04:00:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-14 04:00:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-14 04:00:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-14 04:00:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-14 04:00:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-14 04:00:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-14 04:00:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-14 04:00:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:00:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-14 04:00:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-14 04:00:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:00:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:00:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:00:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:00:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-14 04:00:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-14 04:00:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-14 04:00:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-14 04:00:12,053 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:00:12,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:00:14,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:02:19,618 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:02:19,928 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:02:19,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:02:19,969 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:02:19,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:02:19 BoogieIcfgContainer [2022-07-14 04:02:19,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:02:19,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:02:19,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:02:19,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:02:19,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:00:06" (1/3) ... [2022-07-14 04:02:19,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469a2798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:02:19, skipping insertion in model container [2022-07-14 04:02:19,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:10" (2/3) ... [2022-07-14 04:02:19,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469a2798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:02:19, skipping insertion in model container [2022-07-14 04:02:19,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:02:19" (3/3) ... [2022-07-14 04:02:19,982 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-14 04:02:19,994 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:02:19,995 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:02:20,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:02:20,120 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@ae1bb65, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@385c02e5 [2022-07-14 04:02:20,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:02:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 2427 states, 1820 states have (on average 1.4131868131868133) internal successors, (2572), 1853 states have internal predecessors, (2572), 530 states have call successors, (530), 75 states have call predecessors, (530), 74 states have return successors, (523), 503 states have call predecessors, (523), 523 states have call successors, (523) [2022-07-14 04:02:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-14 04:02:20,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:02:20,209 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:02:20,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:02:20,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:02:20,227 INFO L85 PathProgramCache]: Analyzing trace with hash 505702281, now seen corresponding path program 1 times [2022-07-14 04:02:20,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:02:20,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285577618] [2022-07-14 04:02:20,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:02:20,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:02:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:02:20,294 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) [2022-07-14 04:02:20,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:02:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:02:28,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 5150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:02:28,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:02:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:02:28,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:02:28,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:02:28,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285577618] [2022-07-14 04:02:28,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285577618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:02:28,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:02:28,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:02:28,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935275061] [2022-07-14 04:02:28,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:02:28,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:02:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:02:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:02:28,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:02:28,988 INFO L87 Difference]: Start difference. First operand has 2427 states, 1820 states have (on average 1.4131868131868133) internal successors, (2572), 1853 states have internal predecessors, (2572), 530 states have call successors, (530), 75 states have call predecessors, (530), 74 states have return successors, (523), 503 states have call predecessors, (523), 523 states have call successors, (523) Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-14 04:02:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:02:30,466 INFO L93 Difference]: Finished difference Result 6962 states and 10470 transitions. [2022-07-14 04:02:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:02:30,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 580 [2022-07-14 04:02:30,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:02:30,508 INFO L225 Difference]: With dead ends: 6962 [2022-07-14 04:02:30,509 INFO L226 Difference]: Without dead ends: 4629 [2022-07-14 04:02:30,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:02:30,529 INFO L413 NwaCegarLoop]: 4073 mSDtfsCounter, 3352 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 7629 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:02:30,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 7629 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 04:02:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2022-07-14 04:02:30,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4625. [2022-07-14 04:02:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4625 states, 3509 states have (on average 1.420347677400969) internal successors, (4984), 3574 states have internal predecessors, (4984), 969 states have call successors, (969), 145 states have call predecessors, (969), 144 states have return successors, (965), 925 states have call predecessors, (965), 965 states have call successors, (965) [2022-07-14 04:02:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6918 transitions. [2022-07-14 04:02:30,749 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6918 transitions. Word has length 580 [2022-07-14 04:02:30,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:02:30,751 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6918 transitions. [2022-07-14 04:02:30,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-14 04:02:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6918 transitions. [2022-07-14 04:02:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-14 04:02:30,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:02:30,767 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:02:30,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:02:30,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:02:30,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:02:30,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:02:30,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1670924512, now seen corresponding path program 1 times [2022-07-14 04:02:31,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:02:31,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79277176] [2022-07-14 04:02:31,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:02:31,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:02:31,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:02:31,004 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) [2022-07-14 04:02:31,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:02:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:02:38,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 5221 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:02:38,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:02:38,971 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:02:38,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:02:38,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:02:38,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79277176] [2022-07-14 04:02:38,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79277176] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:02:38,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:02:38,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:02:38,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941650314] [2022-07-14 04:02:38,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:02:39,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:02:39,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:02:39,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:02:39,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:02:39,001 INFO L87 Difference]: Start difference. First operand 4625 states and 6918 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:02:40,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:02:40,394 INFO L93 Difference]: Finished difference Result 11352 states and 16981 transitions. [2022-07-14 04:02:40,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:02:40,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 584 [2022-07-14 04:02:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:02:40,443 INFO L225 Difference]: With dead ends: 11352 [2022-07-14 04:02:40,443 INFO L226 Difference]: Without dead ends: 6832 [2022-07-14 04:02:40,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:02:40,472 INFO L413 NwaCegarLoop]: 4066 mSDtfsCounter, 3347 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 7621 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:02:40,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 7621 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 04:02:40,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6832 states. [2022-07-14 04:02:40,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6832 to 6812. [2022-07-14 04:02:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 5181 states have (on average 1.4230843466512257) internal successors, (7373), 5279 states have internal predecessors, (7373), 1409 states have call successors, (1409), 220 states have call predecessors, (1409), 219 states have return successors, (1405), 1342 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-14 04:02:40,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10187 transitions. [2022-07-14 04:02:40,706 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 10187 transitions. Word has length 584 [2022-07-14 04:02:40,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:02:40,707 INFO L495 AbstractCegarLoop]: Abstraction has 6812 states and 10187 transitions. [2022-07-14 04:02:40,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:02:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 10187 transitions. [2022-07-14 04:02:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-07-14 04:02:40,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:02:40,717 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:02:40,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:02:40,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:02:40,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:02:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:02:40,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1270461710, now seen corresponding path program 1 times [2022-07-14 04:02:40,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:02:40,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629551027] [2022-07-14 04:02:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:02:40,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:02:40,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:02:40,952 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) [2022-07-14 04:02:40,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:02:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:02:48,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 5222 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:02:48,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:02:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:02:49,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:02:49,586 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:02:49,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629551027] [2022-07-14 04:02:49,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629551027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:02:49,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:02:49,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:02:49,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477599706] [2022-07-14 04:02:49,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:02:49,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:02:49,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:02:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:02:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:02:49,588 INFO L87 Difference]: Start difference. First operand 6812 states and 10187 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:02:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:02:51,399 INFO L93 Difference]: Finished difference Result 17852 states and 26684 transitions. [2022-07-14 04:02:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:02:51,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 585 [2022-07-14 04:02:51,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:02:51,469 INFO L225 Difference]: With dead ends: 17852 [2022-07-14 04:02:51,469 INFO L226 Difference]: Without dead ends: 11145 [2022-07-14 04:02:51,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:02:51,505 INFO L413 NwaCegarLoop]: 4105 mSDtfsCounter, 3310 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 7661 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:02:51,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3310 Valid, 7661 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 04:02:51,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11145 states. [2022-07-14 04:02:51,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11145 to 11123. [2022-07-14 04:02:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11123 states, 8483 states have (on average 1.4242602852764352) internal successors, (12082), 8632 states have internal predecessors, (12082), 2268 states have call successors, (2268), 370 states have call predecessors, (2268), 369 states have return successors, (2264), 2167 states have call predecessors, (2264), 2264 states have call successors, (2264) [2022-07-14 04:02:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11123 states to 11123 states and 16614 transitions. [2022-07-14 04:02:51,903 INFO L78 Accepts]: Start accepts. Automaton has 11123 states and 16614 transitions. Word has length 585 [2022-07-14 04:02:51,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:02:51,905 INFO L495 AbstractCegarLoop]: Abstraction has 11123 states and 16614 transitions. [2022-07-14 04:02:51,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:02:51,906 INFO L276 IsEmpty]: Start isEmpty. Operand 11123 states and 16614 transitions. [2022-07-14 04:02:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-07-14 04:02:51,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:02:51,911 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:02:52,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:02:52,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:02:52,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:02:52,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:02:52,131 INFO L85 PathProgramCache]: Analyzing trace with hash 478959107, now seen corresponding path program 1 times [2022-07-14 04:02:52,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:02:52,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302238484] [2022-07-14 04:02:52,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:02:52,136 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:02:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:02:52,138 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) [2022-07-14 04:02:52,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:03:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:00,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 5223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:03:00,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:03:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:03:01,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:03:01,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:03:01,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302238484] [2022-07-14 04:03:01,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302238484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:03:01,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:03:01,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:03:01,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421276141] [2022-07-14 04:03:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:03:01,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:03:01,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:03:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:03:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:01,064 INFO L87 Difference]: Start difference. First operand 11123 states and 16614 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:02,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:03:02,817 INFO L93 Difference]: Finished difference Result 30823 states and 46051 transitions. [2022-07-14 04:03:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:03:02,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 586 [2022-07-14 04:03:02,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:03:03,042 INFO L225 Difference]: With dead ends: 30823 [2022-07-14 04:03:03,043 INFO L226 Difference]: Without dead ends: 19805 [2022-07-14 04:03:03,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:03,081 INFO L413 NwaCegarLoop]: 4217 mSDtfsCounter, 3347 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 7774 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:03:03,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 7774 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 04:03:03,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19805 states. [2022-07-14 04:03:03,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19805 to 19781. [2022-07-14 04:03:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19781 states, 15108 states have (on average 1.4259994704792163) internal successors, (21544), 15378 states have internal predecessors, (21544), 4001 states have call successors, (4001), 670 states have call predecessors, (4001), 669 states have return successors, (3997), 3817 states have call predecessors, (3997), 3997 states have call successors, (3997) [2022-07-14 04:03:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19781 states to 19781 states and 29542 transitions. [2022-07-14 04:03:03,610 INFO L78 Accepts]: Start accepts. Automaton has 19781 states and 29542 transitions. Word has length 586 [2022-07-14 04:03:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:03:03,610 INFO L495 AbstractCegarLoop]: Abstraction has 19781 states and 29542 transitions. [2022-07-14 04:03:03,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 19781 states and 29542 transitions. [2022-07-14 04:03:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-07-14 04:03:03,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:03:03,693 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:03:03,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:03:03,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:03:03,904 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:03:03,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:03:03,904 INFO L85 PathProgramCache]: Analyzing trace with hash -191571764, now seen corresponding path program 1 times [2022-07-14 04:03:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:03:03,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121421294] [2022-07-14 04:03:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:03:03,908 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:03:03,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:03:03,910 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) [2022-07-14 04:03:03,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:03:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:12,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 5224 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:03:12,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:03:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:03:13,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:03:13,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:03:13,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121421294] [2022-07-14 04:03:13,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121421294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:03:13,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:03:13,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:03:13,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441450151] [2022-07-14 04:03:13,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:03:13,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:03:13,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:03:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:03:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:13,094 INFO L87 Difference]: Start difference. First operand 19781 states and 29542 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:15,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:03:15,239 INFO L93 Difference]: Finished difference Result 56403 states and 84185 transitions. [2022-07-14 04:03:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:03:15,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 587 [2022-07-14 04:03:15,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:03:15,494 INFO L225 Difference]: With dead ends: 56403 [2022-07-14 04:03:15,494 INFO L226 Difference]: Without dead ends: 36727 [2022-07-14 04:03:15,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:15,598 INFO L413 NwaCegarLoop]: 4269 mSDtfsCounter, 3297 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 7827 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:03:15,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 7827 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 04:03:15,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36727 states. [2022-07-14 04:03:16,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36727 to 36701. [2022-07-14 04:03:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36701 states, 28091 states have (on average 1.4258659357089458) internal successors, (40054), 28537 states have internal predecessors, (40054), 7338 states have call successors, (7338), 1270 states have call predecessors, (7338), 1269 states have return successors, (7334), 7045 states have call predecessors, (7334), 7334 states have call successors, (7334) [2022-07-14 04:03:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36701 states to 36701 states and 54726 transitions. [2022-07-14 04:03:17,163 INFO L78 Accepts]: Start accepts. Automaton has 36701 states and 54726 transitions. Word has length 587 [2022-07-14 04:03:17,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:03:17,166 INFO L495 AbstractCegarLoop]: Abstraction has 36701 states and 54726 transitions. [2022-07-14 04:03:17,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36701 states and 54726 transitions. [2022-07-14 04:03:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2022-07-14 04:03:17,176 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:03:17,177 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:03:17,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 04:03:17,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:03:17,378 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:03:17,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:03:17,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1082078848, now seen corresponding path program 1 times [2022-07-14 04:03:17,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:03:17,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247291475] [2022-07-14 04:03:17,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:03:17,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:03:17,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:03:17,400 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) [2022-07-14 04:03:17,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:03:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:25,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:03:25,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:03:26,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:03:26,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:03:26,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:03:26,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247291475] [2022-07-14 04:03:26,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247291475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:03:26,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:03:26,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:03:26,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224670852] [2022-07-14 04:03:26,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:03:26,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:03:26,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:03:26,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:03:26,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:26,518 INFO L87 Difference]: Start difference. First operand 36701 states and 54726 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:03:29,224 INFO L93 Difference]: Finished difference Result 106956 states and 159455 transitions. [2022-07-14 04:03:29,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:03:29,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 588 [2022-07-14 04:03:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:03:29,731 INFO L225 Difference]: With dead ends: 106956 [2022-07-14 04:03:29,731 INFO L226 Difference]: Without dead ends: 70360 [2022-07-14 04:03:29,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:29,862 INFO L413 NwaCegarLoop]: 4376 mSDtfsCounter, 3329 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 7935 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:03:29,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 7935 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 04:03:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70360 states. [2022-07-14 04:03:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70360 to 70332. [2022-07-14 04:03:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70332 states, 53907 states have (on average 1.4259372623221473) internal successors, (76868), 54683 states have internal predecessors, (76868), 13953 states have call successors, (13953), 2470 states have call predecessors, (13953), 2469 states have return successors, (13949), 13457 states have call predecessors, (13949), 13949 states have call successors, (13949) [2022-07-14 04:03:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70332 states to 70332 states and 104770 transitions. [2022-07-14 04:03:32,668 INFO L78 Accepts]: Start accepts. Automaton has 70332 states and 104770 transitions. Word has length 588 [2022-07-14 04:03:32,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:03:32,670 INFO L495 AbstractCegarLoop]: Abstraction has 70332 states and 104770 transitions. [2022-07-14 04:03:32,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 70332 states and 104770 transitions. [2022-07-14 04:03:32,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-07-14 04:03:32,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:03:32,675 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:03:32,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:03:32,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:03:32,891 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:03:32,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:03:32,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1503446378, now seen corresponding path program 1 times [2022-07-14 04:03:32,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:03:32,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7996974] [2022-07-14 04:03:32,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:03:32,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:03:32,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:03:32,900 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) [2022-07-14 04:03:32,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:03:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:41,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 5226 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:03:41,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:03:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:03:42,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:03:42,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:03:42,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7996974] [2022-07-14 04:03:42,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7996974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:03:42,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:03:42,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:03:42,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256945643] [2022-07-14 04:03:42,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:03:42,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:03:42,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:03:42,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:03:42,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:42,728 INFO L87 Difference]: Start difference. First operand 70332 states and 104770 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:03:47,040 INFO L93 Difference]: Finished difference Result 205666 states and 306415 transitions. [2022-07-14 04:03:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:03:47,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 589 [2022-07-14 04:03:47,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:03:47,959 INFO L225 Difference]: With dead ends: 205666 [2022-07-14 04:03:47,960 INFO L226 Difference]: Without dead ends: 135439 [2022-07-14 04:03:48,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:03:48,501 INFO L413 NwaCegarLoop]: 5217 mSDtfsCounter, 3347 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 8777 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:03:48,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 8777 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 04:03:48,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135439 states. [2022-07-14 04:03:52,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135439 to 135409. [2022-07-14 04:03:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135409 states, 103823 states have (on average 1.4262735617348756) internal successors, (148080), 105334 states have internal predecessors, (148080), 26764 states have call successors, (26764), 4820 states have call predecessors, (26764), 4819 states have return successors, (26760), 25805 states have call predecessors, (26760), 26760 states have call successors, (26760) [2022-07-14 04:03:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135409 states to 135409 states and 201604 transitions. [2022-07-14 04:03:54,298 INFO L78 Accepts]: Start accepts. Automaton has 135409 states and 201604 transitions. Word has length 589 [2022-07-14 04:03:54,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:03:54,299 INFO L495 AbstractCegarLoop]: Abstraction has 135409 states and 201604 transitions. [2022-07-14 04:03:54,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-14 04:03:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 135409 states and 201604 transitions. [2022-07-14 04:03:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2022-07-14 04:03:54,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:03:54,304 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:03:54,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-14 04:03:54,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:03:54,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:03:54,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:03:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash -600842780, now seen corresponding path program 1 times [2022-07-14 04:03:54,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:03:54,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414878043] [2022-07-14 04:03:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:03:54,524 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:03:54,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:03:54,526 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) [2022-07-14 04:03:54,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 04:04:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:03,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:04:03,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:04:04,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-14 04:04:04,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:04:04,534 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:04:04,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414878043] [2022-07-14 04:04:04,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414878043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:04:04,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:04:04,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:04:04,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855650802] [2022-07-14 04:04:04,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:04:04,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:04:04,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:04:04,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:04:04,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:04:04,535 INFO L87 Difference]: Start difference. First operand 135409 states and 201604 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-14 04:04:12,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:04:12,211 INFO L93 Difference]: Finished difference Result 384832 states and 573362 transitions. [2022-07-14 04:04:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:04:12,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 607 [2022-07-14 04:04:12,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:04:13,814 INFO L225 Difference]: With dead ends: 384832 [2022-07-14 04:04:13,814 INFO L226 Difference]: Without dead ends: 249528 [2022-07-14 04:04:14,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:04:14,711 INFO L413 NwaCegarLoop]: 5079 mSDtfsCounter, 3131 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3131 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:04:14,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3131 Valid, 8635 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 04:04:14,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249528 states. [2022-07-14 04:04:21,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249528 to 249380. [2022-07-14 04:04:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249380 states, 192398 states have (on average 1.4280553851911142) internal successors, (274755), 195400 states have internal predecessors, (274755), 48149 states have call successors, (48149), 8831 states have call predecessors, (48149), 8830 states have return successors, (48145), 46102 states have call predecessors, (48145), 48145 states have call successors, (48145) [2022-07-14 04:04:24,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249380 states to 249380 states and 371049 transitions. [2022-07-14 04:04:24,509 INFO L78 Accepts]: Start accepts. Automaton has 249380 states and 371049 transitions. Word has length 607 [2022-07-14 04:04:24,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:04:24,510 INFO L495 AbstractCegarLoop]: Abstraction has 249380 states and 371049 transitions. [2022-07-14 04:04:24,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-14 04:04:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 249380 states and 371049 transitions. [2022-07-14 04:04:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-07-14 04:04:24,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:04:24,519 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 50, 50, 50, 50, 50, 50, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:04:24,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-14 04:04:24,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:04:24,736 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:04:24,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:04:24,737 INFO L85 PathProgramCache]: Analyzing trace with hash 109314572, now seen corresponding path program 1 times [2022-07-14 04:04:24,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:04:24,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076937807] [2022-07-14 04:04:24,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:04:24,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:04:24,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:04:24,747 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) [2022-07-14 04:04:24,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process