./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 6c24879c 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-?-6c24879 [2022-07-12 16:18:21,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:18:21,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:18:21,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:18:21,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:18:21,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:18:21,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:18:21,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:18:21,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:18:21,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:18:21,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:18:21,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:18:21,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:18:21,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:18:21,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:18:21,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:18:21,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:18:21,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:18:21,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:18:21,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:18:21,191 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:18:21,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:18:21,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:18:21,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:18:21,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:18:21,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:18:21,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:18:21,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:18:21,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:18:21,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:18:21,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:18:21,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:18:21,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:18:21,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:18:21,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:18:21,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:18:21,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:18:21,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:18:21,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:18:21,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:18:21,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:18:21,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:18:21,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:18:21,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:18:21,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:18:21,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:18:21,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:18:21,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:18:21,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:18:21,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:18:21,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:18:21,244 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:18:21,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:18:21,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:18:21,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:18:21,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:18:21,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:18:21,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:18:21,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:18:21,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:18:21,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:18:21,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:18:21,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:18:21,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:18:21,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:18:21,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:18:21,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:18:21,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:18:21,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:18:21,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:18:21,249 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:18:21,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:18:21,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:18:21,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d [2022-07-12 16:18:21,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:18:21,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:18:21,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:18:21,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:18:21,497 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:18:21,498 INFO L432 ainManager$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 [2022-07-12 16:18:21,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e95aed3/d5619d15c9414c5abddda0039bc12f4a/FLAGe327a607b [2022-07-12 16:18:22,346 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:18:22,346 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 [2022-07-12 16:18:22,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e95aed3/d5619d15c9414c5abddda0039bc12f4a/FLAGe327a607b [2022-07-12 16:18:22,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e95aed3/d5619d15c9414c5abddda0039bc12f4a [2022-07-12 16:18:22,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:18:22,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:18:22,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:18:22,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:18:22,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:18:22,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:18:22" (1/1) ... [2022-07-12 16:18:22,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181b18fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:22, skipping insertion in model container [2022-07-12 16:18:22,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:18:22" (1/1) ... [2022-07-12 16:18:22,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:18:23,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:18:26,500 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] [2022-07-12 16:18:26,503 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] [2022-07-12 16:18:26,504 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] [2022-07-12 16:18:26,510 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] [2022-07-12 16:18:26,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:18:26,592 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:18:26,971 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) [2022-07-12 16:18:26,982 INFO L158 Benchmark]: Toolchain (without parser) took 4110.07ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 60.6MB in the beginning and 98.4MB in the end (delta: -37.8MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2022-07-12 16:18:26,983 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:18:26,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4108.24ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 60.6MB in the beginning and 98.4MB in the end (delta: -37.8MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2022-07-12 16:18:26,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4108.24ms. Allocated memory was 94.4MB in the beginning and 188.7MB in the end (delta: 94.4MB). Free memory was 60.6MB in the beginning and 98.4MB in the end (delta: -37.8MB). Peak memory consumption was 93.9MB. 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-?-6c24879 [2022-07-12 16:18:28,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:18:28,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:18:28,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:18:28,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:18:28,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:18:28,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:18:28,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:18:28,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:18:28,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:18:28,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:18:28,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:18:28,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:18:28,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:18:28,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:18:28,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:18:28,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:18:28,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:18:28,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:18:28,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:18:28,877 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:18:28,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:18:28,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:18:28,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:18:28,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:18:28,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:18:28,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:18:28,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:18:28,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:18:28,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:18:28,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:18:28,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:18:28,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:18:28,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:18:28,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:18:28,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:18:28,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:18:28,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:18:28,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:18:28,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:18:28,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:18:28,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:18:28,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:18:28,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:18:28,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:18:28,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:18:28,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:18:28,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:18:28,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:18:28,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:18:28,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:18:28,943 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:18:28,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:18:28,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:18:28,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:18:28,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:18:28,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:18:28,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:18:28,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:18:28,945 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:18:28,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:18:28,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:18:28,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:18:28,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:18:28,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:18:28,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:18:28,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:18:28,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:18:28,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:18:28,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:18:28,947 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:18:28,947 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:18:28,948 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:18:28,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:18:28,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:18:28,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:18:28,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ae5598eb8e855028fa92e7ae47f6d5aee7a22667905b541c24d1d907d5da2d [2022-07-12 16:18:29,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:18:29,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:18:29,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:18:29,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:18:29,266 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:18:29,268 INFO L432 ainManager$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 [2022-07-12 16:18:29,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479a224ff/acee009153f04067b4c39acbb6900713/FLAGb6c95b823 [2022-07-12 16:18:30,191 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:18:30,192 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 [2022-07-12 16:18:30,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479a224ff/acee009153f04067b4c39acbb6900713/FLAGb6c95b823 [2022-07-12 16:18:30,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479a224ff/acee009153f04067b4c39acbb6900713 [2022-07-12 16:18:30,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:18:30,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:18:30,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:18:30,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:18:30,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:18:30,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:18:30" (1/1) ... [2022-07-12 16:18:30,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b88416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:30, skipping insertion in model container [2022-07-12 16:18:30,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:18:30" (1/1) ... [2022-07-12 16:18:30,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:18:30,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:18:33,430 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] [2022-07-12 16:18:33,433 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] [2022-07-12 16:18:33,433 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] [2022-07-12 16:18:33,434 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] [2022-07-12 16:18:33,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:18:33,500 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:18:33,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:18:34,045 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] [2022-07-12 16:18:34,046 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] [2022-07-12 16:18:34,046 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] [2022-07-12 16:18:34,047 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] [2022-07-12 16:18:34,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:18:34,071 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:18:34,636 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] [2022-07-12 16:18:34,637 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] [2022-07-12 16:18:34,637 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] [2022-07-12 16:18:34,637 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] [2022-07-12 16:18:34,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:18:34,912 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:18:34,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34 WrapperNode [2022-07-12 16:18:34,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:18:34,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:18:34,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:18:34,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:18:34,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,259 INFO L137 Inliner]: procedures = 328, calls = 4214, calls flagged for inlining = 171, calls inlined = 156, statements flattened = 6901 [2022-07-12 16:18:35,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:18:35,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:18:35,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:18:35,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:18:35,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:18:35,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:18:35,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:18:35,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:18:35,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (1/1) ... [2022-07-12 16:18:35,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:18:35,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:18:35,673 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) [2022-07-12 16:18:35,694 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 [2022-07-12 16:18:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 16:18:35,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 16:18:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-12 16:18:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-12 16:18:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:18:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-12 16:18:35,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-12 16:18:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 16:18:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 16:18:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-12 16:18:35,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-12 16:18:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:18:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:18:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:18:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:18:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:18:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:18:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 16:18:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 16:18:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:18:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:18:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 16:18:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 16:18:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-12 16:18:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-12 16:18:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-12 16:18:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-12 16:18:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-12 16:18:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-12 16:18:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-12 16:18:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-12 16:18:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-12 16:18:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-12 16:18:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-12 16:18:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-12 16:18:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-12 16:18:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-12 16:18:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-12 16:18:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-12 16:18:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-12 16:18:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-12 16:18:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 16:18:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 16:18:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-12 16:18:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-12 16:18:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-12 16:18:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-12 16:18:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:18:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-12 16:18:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-12 16:18:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-12 16:18:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-12 16:18:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:18:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:18:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:18:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:18:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:18:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-12 16:18:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-12 16:18:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 16:18:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 16:18:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:18:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:18:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-12 16:18:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-12 16:18:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:18:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:18:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 16:18:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 16:18:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:18:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 16:18:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:18:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:18:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:18:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 16:18:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 16:18:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:18:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:18:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-12 16:18:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-12 16:18:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 16:18:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 16:18:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-12 16:18:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-12 16:18:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-12 16:18:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-12 16:18:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_fe_lock_of_mxl111sf_state [2022-07-12 16:18:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_fe_lock_of_mxl111sf_state [2022-07-12 16:18:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:18:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:18:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 16:18:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 16:18:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 16:18:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 16:18:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 16:18:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 16:18:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-12 16:18:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-12 16:18:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 16:18:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 16:18:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:18:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:18:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 16:18:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 16:18:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 16:18:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 16:18:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-12 16:18:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-12 16:18:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 16:18:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 16:18:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:18:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:18:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-12 16:18:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-12 16:18:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:18:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:18:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 16:18:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 16:18:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-12 16:18:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-12 16:18:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 16:18:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 16:18:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:18:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:18:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-12 16:18:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-12 16:18:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:18:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:18:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:18:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:18:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:18:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:18:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-12 16:18:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-12 16:18:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:18:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:18:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-12 16:18:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-12 16:18:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:18:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:18:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:18:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:18:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-12 16:18:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-12 16:18:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-12 16:18:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-12 16:18:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-12 16:18:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-12 16:18:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:18:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:18:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-12 16:18:35,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-12 16:18:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-12 16:18:35,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-12 16:18:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-12 16:18:35,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-12 16:18:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-12 16:18:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-12 16:18:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-12 16:18:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-12 16:18:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 16:18:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 16:18:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-12 16:18:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-12 16:18:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-12 16:18:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-12 16:18:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-12 16:18:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-12 16:18:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:18:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-12 16:18:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-12 16:18:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:18:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:18:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:18:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:18:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-12 16:18:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-12 16:18:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-12 16:18:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-12 16:18:36,715 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:18:36,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:18:38,784 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:20:42,415 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:20:42,633 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:20:42,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:20:42,653 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:20:42,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:20:42 BoogieIcfgContainer [2022-07-12 16:20:42,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:20:42,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:20:42,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:20:42,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:20:42,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:18:30" (1/3) ... [2022-07-12 16:20:42,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb72f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:20:42, skipping insertion in model container [2022-07-12 16:20:42,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:18:34" (2/3) ... [2022-07-12 16:20:42,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb72f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:20:42, skipping insertion in model container [2022-07-12 16:20:42,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:20:42" (3/3) ... [2022-07-12 16:20:42,666 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 [2022-07-12 16:20:42,678 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:20:42,679 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 16:20:42,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:20:42,786 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@292c5446, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@44b508c5 [2022-07-12 16:20:42,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 16:20:42,799 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) [2022-07-12 16:20:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-12 16:20:42,836 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:20:42,837 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] [2022-07-12 16:20:42,838 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)] === [2022-07-12 16:20:42,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:20:42,842 INFO L85 PathProgramCache]: Analyzing trace with hash 505702281, now seen corresponding path program 1 times [2022-07-12 16:20:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:20:42,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929400145] [2022-07-12 16:20:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:20:42,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:20:42,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:20:42,875 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) [2022-07-12 16:20:42,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:20:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:20:50,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 5150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:20:50,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:20:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:20:51,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:20:51,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:20:51,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929400145] [2022-07-12 16:20:51,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929400145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:20:51,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:20:51,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:20:51,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202530907] [2022-07-12 16:20:51,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:20:51,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:20:51,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:20:51,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:20:51,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:20:51,166 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) [2022-07-12 16:20:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:20:52,790 INFO L93 Difference]: Finished difference Result 6962 states and 10470 transitions. [2022-07-12 16:20:52,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:20:52,798 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 [2022-07-12 16:20:52,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:20:52,927 INFO L225 Difference]: With dead ends: 6962 [2022-07-12 16:20:52,928 INFO L226 Difference]: Without dead ends: 4629 [2022-07-12 16:20:52,958 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 [2022-07-12 16:20:52,963 INFO L413 NwaCegarLoop]: 4073 mSDtfsCounter, 3352 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:20:52,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 7629 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 16:20:52,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2022-07-12 16:20:53,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 4625. [2022-07-12 16:20:53,234 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) [2022-07-12 16:20:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 4625 states and 6918 transitions. [2022-07-12 16:20:53,283 INFO L78 Accepts]: Start accepts. Automaton has 4625 states and 6918 transitions. Word has length 580 [2022-07-12 16:20:53,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:20:53,286 INFO L495 AbstractCegarLoop]: Abstraction has 4625 states and 6918 transitions. [2022-07-12 16:20:53,286 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) [2022-07-12 16:20:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 4625 states and 6918 transitions. [2022-07-12 16:20:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-07-12 16:20:53,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:20:53,306 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] [2022-07-12 16:20:53,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 16:20:53,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:20:53,520 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)] === [2022-07-12 16:20:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:20:53,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1670924512, now seen corresponding path program 1 times [2022-07-12 16:20:53,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:20:53,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511035796] [2022-07-12 16:20:53,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:20:53,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:20:53,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:20:53,528 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) [2022-07-12 16:20:53,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:21:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:21:00,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 5221 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:21:00,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:21:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:21:01,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:21:01,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:21:01,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511035796] [2022-07-12 16:21:01,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511035796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:21:01,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:21:01,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:21:01,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560770460] [2022-07-12 16:21:01,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:21:01,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:21:01,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:21:01,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:21:01,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:21:01,733 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) [2022-07-12 16:21:03,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:21:03,317 INFO L93 Difference]: Finished difference Result 11352 states and 16981 transitions. [2022-07-12 16:21:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:21:03,318 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 [2022-07-12 16:21:03,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:21:03,369 INFO L225 Difference]: With dead ends: 11352 [2022-07-12 16:21:03,370 INFO L226 Difference]: Without dead ends: 6832 [2022-07-12 16:21:03,407 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 [2022-07-12 16:21:03,409 INFO L413 NwaCegarLoop]: 4066 mSDtfsCounter, 3347 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:21:03,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 7621 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:21:03,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6832 states. [2022-07-12 16:21:03,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6832 to 6812. [2022-07-12 16:21:03,666 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) [2022-07-12 16:21:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 10187 transitions. [2022-07-12 16:21:03,712 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 10187 transitions. Word has length 584 [2022-07-12 16:21:03,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:21:03,714 INFO L495 AbstractCegarLoop]: Abstraction has 6812 states and 10187 transitions. [2022-07-12 16:21:03,714 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) [2022-07-12 16:21:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 10187 transitions. [2022-07-12 16:21:03,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-07-12 16:21:03,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:21:03,728 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] [2022-07-12 16:21:03,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:21:03,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:21:03,944 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)] === [2022-07-12 16:21:03,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:21:03,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1270461710, now seen corresponding path program 1 times [2022-07-12 16:21:03,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:21:03,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651923527] [2022-07-12 16:21:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:21:03,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:21:03,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:21:03,950 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) [2022-07-12 16:21:03,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:21:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:21:11,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 5222 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:21:11,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:21:11,944 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:21:11,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:21:11,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:21:11,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651923527] [2022-07-12 16:21:11,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651923527] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:21:11,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:21:11,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:21:11,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061501339] [2022-07-12 16:21:11,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:21:11,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:21:11,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:21:11,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:21:11,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:21:11,947 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) [2022-07-12 16:21:13,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:21:13,669 INFO L93 Difference]: Finished difference Result 17852 states and 26684 transitions. [2022-07-12 16:21:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:21:13,670 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 [2022-07-12 16:21:13,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:21:13,749 INFO L225 Difference]: With dead ends: 17852 [2022-07-12 16:21:13,749 INFO L226 Difference]: Without dead ends: 11145 [2022-07-12 16:21:13,791 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 [2022-07-12 16:21:13,794 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:21:13,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3310 Valid, 7661 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:21:13,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11145 states. [2022-07-12 16:21:14,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11145 to 11123. [2022-07-12 16:21:14,247 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) [2022-07-12 16:21:14,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11123 states to 11123 states and 16614 transitions. [2022-07-12 16:21:14,311 INFO L78 Accepts]: Start accepts. Automaton has 11123 states and 16614 transitions. Word has length 585 [2022-07-12 16:21:14,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:21:14,313 INFO L495 AbstractCegarLoop]: Abstraction has 11123 states and 16614 transitions. [2022-07-12 16:21:14,314 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) [2022-07-12 16:21:14,314 INFO L276 IsEmpty]: Start isEmpty. Operand 11123 states and 16614 transitions. [2022-07-12 16:21:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-07-12 16:21:14,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:21:14,321 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] [2022-07-12 16:21:14,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:21:14,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:21:14,536 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)] === [2022-07-12 16:21:14,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:21:14,536 INFO L85 PathProgramCache]: Analyzing trace with hash 478959107, now seen corresponding path program 1 times [2022-07-12 16:21:14,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:21:14,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924655434] [2022-07-12 16:21:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:21:14,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:21:14,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:21:14,544 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) [2022-07-12 16:21:14,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:21:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:21:21,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 5223 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:21:21,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:21:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:21:22,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:21:22,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:21:22,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924655434] [2022-07-12 16:21:22,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924655434] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:21:22,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:21:22,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:21:22,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174889609] [2022-07-12 16:21:22,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:21:22,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:21:22,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:21:22,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:21:22,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:21:22,597 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) [2022-07-12 16:21:24,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:21:24,920 INFO L93 Difference]: Finished difference Result 30823 states and 46051 transitions. [2022-07-12 16:21:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:21:24,921 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 [2022-07-12 16:21:24,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:21:25,084 INFO L225 Difference]: With dead ends: 30823 [2022-07-12 16:21:25,084 INFO L226 Difference]: Without dead ends: 19805 [2022-07-12 16:21:25,143 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 [2022-07-12 16:21:25,146 INFO L413 NwaCegarLoop]: 4217 mSDtfsCounter, 3347 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 16:21:25,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 7774 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 16:21:25,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19805 states. [2022-07-12 16:21:25,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19805 to 19781. [2022-07-12 16:21:25,829 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) [2022-07-12 16:21:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19781 states to 19781 states and 29542 transitions. [2022-07-12 16:21:25,933 INFO L78 Accepts]: Start accepts. Automaton has 19781 states and 29542 transitions. Word has length 586 [2022-07-12 16:21:25,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:21:25,934 INFO L495 AbstractCegarLoop]: Abstraction has 19781 states and 29542 transitions. [2022-07-12 16:21:25,934 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) [2022-07-12 16:21:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 19781 states and 29542 transitions. [2022-07-12 16:21:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-07-12 16:21:25,940 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:21:25,941 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] [2022-07-12 16:21:26,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:21:26,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:21:26,160 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)] === [2022-07-12 16:21:26,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:21:26,160 INFO L85 PathProgramCache]: Analyzing trace with hash -191571764, now seen corresponding path program 1 times [2022-07-12 16:21:26,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:21:26,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595763635] [2022-07-12 16:21:26,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:21:26,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:21:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:21:26,168 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) [2022-07-12 16:21:26,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:21:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:21:33,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 5224 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:21:33,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:21:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:21:34,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:21:34,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:21:34,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595763635] [2022-07-12 16:21:34,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595763635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:21:34,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:21:34,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:21:34,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976138428] [2022-07-12 16:21:34,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:21:34,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:21:34,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:21:34,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:21:34,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:21:34,290 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) [2022-07-12 16:21:36,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:21:36,435 INFO L93 Difference]: Finished difference Result 56403 states and 84185 transitions. [2022-07-12 16:21:36,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:21:36,436 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 [2022-07-12 16:21:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:21:36,917 INFO L225 Difference]: With dead ends: 56403 [2022-07-12 16:21:36,918 INFO L226 Difference]: Without dead ends: 36727 [2022-07-12 16:21:37,210 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 [2022-07-12 16:21:37,211 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 [2022-07-12 16:21:37,212 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] [2022-07-12 16:21:37,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36727 states. [2022-07-12 16:21:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36727 to 36701. [2022-07-12 16:21:38,455 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) [2022-07-12 16:21:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36701 states to 36701 states and 54726 transitions. [2022-07-12 16:21:38,706 INFO L78 Accepts]: Start accepts. Automaton has 36701 states and 54726 transitions. Word has length 587 [2022-07-12 16:21:38,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:21:38,707 INFO L495 AbstractCegarLoop]: Abstraction has 36701 states and 54726 transitions. [2022-07-12 16:21:38,707 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) [2022-07-12 16:21:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 36701 states and 54726 transitions. [2022-07-12 16:21:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2022-07-12 16:21:38,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:21:38,715 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] [2022-07-12 16:21:38,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:21:38,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:21:38,916 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)] === [2022-07-12 16:21:38,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:21:38,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1082078848, now seen corresponding path program 1 times [2022-07-12 16:21:38,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:21:38,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951457340] [2022-07-12 16:21:38,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:21:38,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:21:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:21:38,923 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) [2022-07-12 16:21:38,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:21:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:21:46,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 5225 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:21:46,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:21:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:21:47,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:21:47,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:21:47,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951457340] [2022-07-12 16:21:47,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951457340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:21:47,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:21:47,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:21:47,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819709533] [2022-07-12 16:21:47,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:21:47,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:21:47,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:21:47,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:21:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:21:47,299 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) [2022-07-12 16:21:49,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:21:49,857 INFO L93 Difference]: Finished difference Result 106956 states and 159455 transitions. [2022-07-12 16:21:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:21:49,858 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 [2022-07-12 16:21:49,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:21:50,505 INFO L225 Difference]: With dead ends: 106956 [2022-07-12 16:21:50,505 INFO L226 Difference]: Without dead ends: 70360 [2022-07-12 16:21:50,656 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 [2022-07-12 16:21:50,656 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 [2022-07-12 16:21:50,657 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] [2022-07-12 16:21:50,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70360 states. [2022-07-12 16:21:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70360 to 70332. [2022-07-12 16:21:53,271 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) [2022-07-12 16:21:53,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70332 states to 70332 states and 104770 transitions. [2022-07-12 16:21:53,923 INFO L78 Accepts]: Start accepts. Automaton has 70332 states and 104770 transitions. Word has length 588 [2022-07-12 16:21:53,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:21:53,925 INFO L495 AbstractCegarLoop]: Abstraction has 70332 states and 104770 transitions. [2022-07-12 16:21:53,925 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) [2022-07-12 16:21:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 70332 states and 104770 transitions. [2022-07-12 16:21:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-07-12 16:21:53,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:21:53,932 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] [2022-07-12 16:21:54,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:21:54,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:21:54,152 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)] === [2022-07-12 16:21:54,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:21:54,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1503446378, now seen corresponding path program 1 times [2022-07-12 16:21:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:21:54,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860682923] [2022-07-12 16:21:54,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:21:54,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:21:54,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:21:54,160 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) [2022-07-12 16:21:54,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:22:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:22:01,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 5226 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:22:01,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:22:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:22:02,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:22:02,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:22:02,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860682923] [2022-07-12 16:22:02,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860682923] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:22:02,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:22:02,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:22:02,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081015432] [2022-07-12 16:22:02,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:22:02,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:22:02,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:22:02,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:22:02,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:22:02,582 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) [2022-07-12 16:22:06,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:22:06,414 INFO L93 Difference]: Finished difference Result 205666 states and 306415 transitions. [2022-07-12 16:22:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:22:06,415 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 [2022-07-12 16:22:06,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:22:07,377 INFO L225 Difference]: With dead ends: 205666 [2022-07-12 16:22:07,378 INFO L226 Difference]: Without dead ends: 135439 [2022-07-12 16:22:07,609 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 [2022-07-12 16:22:07,609 INFO L413 NwaCegarLoop]: 5217 mSDtfsCounter, 3347 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:22:07,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 8777 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 16:22:07,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135439 states. [2022-07-12 16:22:11,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135439 to 135409. [2022-07-12 16:22:11,208 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) [2022-07-12 16:22:12,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135409 states to 135409 states and 201604 transitions. [2022-07-12 16:22:12,564 INFO L78 Accepts]: Start accepts. Automaton has 135409 states and 201604 transitions. Word has length 589 [2022-07-12 16:22:12,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:22:12,565 INFO L495 AbstractCegarLoop]: Abstraction has 135409 states and 201604 transitions. [2022-07-12 16:22:12,565 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) [2022-07-12 16:22:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 135409 states and 201604 transitions. [2022-07-12 16:22:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2022-07-12 16:22:12,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:22:12,573 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] [2022-07-12 16:22:12,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:22:12,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:22:12,788 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)] === [2022-07-12 16:22:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:22:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash -600842780, now seen corresponding path program 1 times [2022-07-12 16:22:12,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:22:12,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744465917] [2022-07-12 16:22:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:22:12,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:22:12,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:22:12,794 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) [2022-07-12 16:22:12,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 16:22:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:22:20,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:22:20,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:22:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 16:22:22,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:22:22,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:22:22,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744465917] [2022-07-12 16:22:22,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744465917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:22:22,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:22:22,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:22:22,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425991485] [2022-07-12 16:22:22,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:22:22,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:22:22,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:22:22,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:22:22,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:22:22,221 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)