./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-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 f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:27:49,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:27:49,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:27:50,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:27:50,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:27:50,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:27:50,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:27:50,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:27:50,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:27:50,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:27:50,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:27:50,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:27:50,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:27:50,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:27:50,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:27:50,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:27:50,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:27:50,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:27:50,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:27:50,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:27:50,067 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:27:50,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:27:50,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:27:50,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:27:50,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:27:50,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:27:50,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:27:50,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:27:50,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:27:50,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:27:50,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:27:50,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:27:50,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:27:50,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:27:50,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:27:50,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:27:50,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:27:50,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:27:50,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:27:50,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:27:50,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:27:50,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:27:50,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:27:50,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:27:50,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:27:50,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:27:50,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:27:50,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:27:50,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:27:50,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:27:50,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:27:50,120 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:27:50,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:27:50,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:27:50,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:27:50,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:27:50,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:27:50,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:27:50,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:27:50,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:27:50,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:27:50,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:27:50,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:27:50,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:27:50,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:27:50,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:27:50,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:27:50,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:27:50,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:27:50,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:27:50,125 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:27:50,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:27:50,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:27:50,125 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 [2022-07-23 02:27:50,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:27:50,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:27:50,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:27:50,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:27:50,385 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:27:50,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-23 02:27:50,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a12c33b1/f2d916df45d94423a0b3337082bea8b6/FLAG393b325ec [2022-07-23 02:27:51,301 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:27:51,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-23 02:27:51,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a12c33b1/f2d916df45d94423a0b3337082bea8b6/FLAG393b325ec [2022-07-23 02:27:51,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a12c33b1/f2d916df45d94423a0b3337082bea8b6 [2022-07-23 02:27:51,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:27:51,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:27:51,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:27:51,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:27:51,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:27:51,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:51" (1/1) ... [2022-07-23 02:27:51,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e0a0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:51, skipping insertion in model container [2022-07-23 02:27:51,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:51" (1/1) ... [2022-07-23 02:27:51,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:27:51,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:27:55,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-23 02:27:55,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-23 02:27:55,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-23 02:27:55,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-23 02:27:55,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:27:55,609 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:27:55,983 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 [12926] 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) [2022-07-23 02:27:55,989 INFO L158 Benchmark]: Toolchain (without parser) took 4201.78ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 92.3MB in the beginning and 102.5MB in the end (delta: -10.2MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2022-07-23 02:27:55,989 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 67.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:27:55,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4195.33ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 91.7MB in the beginning and 102.5MB in the end (delta: -10.8MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2022-07-23 02:27:55,992 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 was 67.9MB in the beginning and 67.9MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4195.33ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 91.7MB in the beginning and 102.5MB in the end (delta: -10.8MB). Peak memory consumption was 95.6MB. 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 [12926] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12926]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-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 f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:27:57,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:27:57,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:27:57,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:27:57,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:27:57,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:27:57,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:27:57,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:27:57,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:27:57,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:27:57,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:27:57,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:27:57,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:27:57,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:27:57,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:27:57,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:27:57,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:27:57,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:27:57,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:27:57,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:27:57,775 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:27:57,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:27:57,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:27:57,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:27:57,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:27:57,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:27:57,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:27:57,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:27:57,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:27:57,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:27:57,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:27:57,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:27:57,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:27:57,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:27:57,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:27:57,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:27:57,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:27:57,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:27:57,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:27:57,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:27:57,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:27:57,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:27:57,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:27:57,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:27:57,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:27:57,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:27:57,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:27:57,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:27:57,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:27:57,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:27:57,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:27:57,848 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:27:57,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:27:57,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:27:57,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:27:57,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:27:57,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:27:57,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:27:57,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:27:57,850 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:27:57,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:27:57,850 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:27:57,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:27:57,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:27:57,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:27:57,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:27:57,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:27:57,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:27:57,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:27:57,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:27:57,852 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:27:57,852 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:27:57,852 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:27:57,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:27:57,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:27:57,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:27:57,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 [2022-07-23 02:27:58,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:27:58,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:27:58,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:27:58,201 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:27:58,203 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:27:58,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-23 02:27:58,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7626c314a/641622fdd9244880ab8a811cdaf265b6/FLAGa88efa5f5 [2022-07-23 02:27:59,234 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:27:59,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-23 02:27:59,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7626c314a/641622fdd9244880ab8a811cdaf265b6/FLAGa88efa5f5 [2022-07-23 02:27:59,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7626c314a/641622fdd9244880ab8a811cdaf265b6 [2022-07-23 02:27:59,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:27:59,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:27:59,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:27:59,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:27:59,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:27:59,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:59" (1/1) ... [2022-07-23 02:27:59,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6488f6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:27:59, skipping insertion in model container [2022-07-23 02:27:59,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:27:59" (1/1) ... [2022-07-23 02:27:59,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:27:59,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:28:04,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-23 02:28:04,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-23 02:28:04,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-23 02:28:04,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-23 02:28:04,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:28:04,733 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:28:04,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:28:05,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-23 02:28:05,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-23 02:28:05,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-23 02:28:05,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-23 02:28:05,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:28:05,213 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:28:05,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-23 02:28:05,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-23 02:28:05,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-23 02:28:05,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-23 02:28:05,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:28:06,116 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:28:06,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06 WrapperNode [2022-07-23 02:28:06,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:28:06,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:28:06,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:28:06,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:28:06,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,494 INFO L137 Inliner]: procedures = 386, calls = 4326, calls flagged for inlining = 168, calls inlined = 151, statements flattened = 6806 [2022-07-23 02:28:06,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:28:06,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:28:06,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:28:06,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:28:06,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:06,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:07,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:28:07,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:28:07,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:28:07,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:28:07,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (1/1) ... [2022-07-23 02:28:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:28:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:28:07,073 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) [2022-07-23 02:28:07,082 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 [2022-07-23 02:28:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-23 02:28:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-23 02:28:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-23 02:28:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-23 02:28:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:28:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:28:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-23 02:28:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-23 02:28:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-23 02:28:07,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-23 02:28:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-23 02:28:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-23 02:28:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-23 02:28:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-23 02:28:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-23 02:28:07,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-23 02:28:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-23 02:28:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-23 02:28:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-23 02:28:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-23 02:28:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-23 02:28:07,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-23 02:28:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-23 02:28:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-23 02:28:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-23 02:28:07,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-23 02:28:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-23 02:28:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-23 02:28:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:28:07,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:28:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:28:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:28:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-23 02:28:07,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-23 02:28:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:28:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:28:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:28:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:28:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:28:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-23 02:28:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-23 02:28:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-23 02:28:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-23 02:28:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:28:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:28:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-23 02:28:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-23 02:28:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 02:28:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 02:28:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:28:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:28:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-23 02:28:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-23 02:28:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:28:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:28:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:28:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:28:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:28:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:28:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:28:07,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:28:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-23 02:28:07,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-23 02:28:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:28:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:28:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:28:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:28:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-23 02:28:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-23 02:28:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-23 02:28:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-23 02:28:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-23 02:28:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-23 02:28:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-23 02:28:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-23 02:28:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-23 02:28:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-23 02:28:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:28:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:28:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:28:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-23 02:28:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-23 02:28:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:28:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-23 02:28:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-23 02:28:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:28:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:28:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:28:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:28:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:28:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:28:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:28:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:28:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-23 02:28:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-23 02:28:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 02:28:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 02:28:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-23 02:28:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-23 02:28:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-23 02:28:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-23 02:28:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-23 02:28:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-23 02:28:07,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:28:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-23 02:28:07,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-23 02:28:07,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:28:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:28:07,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:28:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-23 02:28:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-23 02:28:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:28:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-23 02:28:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-23 02:28:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:28:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:28:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:28:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-23 02:28:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-23 02:28:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-23 02:28:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-23 02:28:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-23 02:28:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-23 02:28:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-23 02:28:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-23 02:28:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-23 02:28:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-23 02:28:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 02:28:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 02:28:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:28:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:28:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-23 02:28:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-23 02:28:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-23 02:28:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-23 02:28:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-23 02:28:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-23 02:28:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:28:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:28:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-23 02:28:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-23 02:28:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:28:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:28:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-23 02:28:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-23 02:28:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-23 02:28:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-23 02:28:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:28:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:28:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-23 02:28:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-23 02:28:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-23 02:28:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-23 02:28:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-23 02:28:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-23 02:28:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:28:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:28:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-23 02:28:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-23 02:28:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-23 02:28:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-23 02:28:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-23 02:28:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-23 02:28:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-23 02:28:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-23 02:28:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-23 02:28:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-23 02:28:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-23 02:28:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-23 02:28:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:28:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:28:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-23 02:28:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-23 02:28:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-23 02:28:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-23 02:28:08,197 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:28:08,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:28:13,956 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:30:23,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:30:23,548 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:30:23,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:30:23,583 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 02:30:23,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:30:23 BoogieIcfgContainer [2022-07-23 02:30:23,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:30:23,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:30:23,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:30:23,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:30:23,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:27:59" (1/3) ... [2022-07-23 02:30:23,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2c7fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:30:23, skipping insertion in model container [2022-07-23 02:30:23,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:28:06" (2/3) ... [2022-07-23 02:30:23,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2c7fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:30:23, skipping insertion in model container [2022-07-23 02:30:23,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:30:23" (3/3) ... [2022-07-23 02:30:23,646 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-23 02:30:23,665 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:30:23,665 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 02:30:23,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:30:23,788 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@49c7b95f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@138fdb96 [2022-07-23 02:30:23,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 02:30:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 2406 states, 1801 states have (on average 1.4147695724597447) internal successors, (2548), 1832 states have internal predecessors, (2548), 532 states have call successors, (532), 73 states have call predecessors, (532), 72 states have return successors, (525), 505 states have call predecessors, (525), 525 states have call successors, (525) [2022-07-23 02:30:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-23 02:30:23,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:23,848 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] [2022-07-23 02:30:23,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:30:23,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:23,853 INFO L85 PathProgramCache]: Analyzing trace with hash 624059453, now seen corresponding path program 1 times [2022-07-23 02:30:23,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:30:23,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297689939] [2022-07-23 02:30:23,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:30:23,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:30:23,881 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) [2022-07-23 02:30:23,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:30:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 5152 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:30:31,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:30:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-23 02:30:32,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:30:32,480 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:30:32,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297689939] [2022-07-23 02:30:32,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297689939] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:30:32,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:30:32,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:30:32,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273892193] [2022-07-23 02:30:32,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:30:32,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:30:32,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:30:32,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:30:32,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:30:32,536 INFO L87 Difference]: Start difference. First operand has 2406 states, 1801 states have (on average 1.4147695724597447) internal successors, (2548), 1832 states have internal predecessors, (2548), 532 states have call successors, (532), 73 states have call predecessors, (532), 72 states have return successors, (525), 505 states have call predecessors, (525), 525 states have call successors, (525) 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) [2022-07-23 02:30:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:30:34,312 INFO L93 Difference]: Finished difference Result 6893 states and 10370 transitions. [2022-07-23 02:30:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:30:34,317 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 [2022-07-23 02:30:34,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:30:34,384 INFO L225 Difference]: With dead ends: 6893 [2022-07-23 02:30:34,384 INFO L226 Difference]: Without dead ends: 4581 [2022-07-23 02:30:34,412 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 [2022-07-23 02:30:34,416 INFO L413 NwaCegarLoop]: 4051 mSDtfsCounter, 3322 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 7589 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:30:34,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 7589 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 02:30:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2022-07-23 02:30:34,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 4581. [2022-07-23 02:30:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4581 states, 3473 states have (on average 1.4229772530953066) internal successors, (4942), 3536 states have internal predecessors, (4942), 967 states have call successors, (967), 141 states have call predecessors, (967), 140 states have return successors, (963), 923 states have call predecessors, (963), 963 states have call successors, (963) [2022-07-23 02:30:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 6872 transitions. [2022-07-23 02:30:34,739 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 6872 transitions. Word has length 580 [2022-07-23 02:30:34,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:30:34,742 INFO L495 AbstractCegarLoop]: Abstraction has 4581 states and 6872 transitions. [2022-07-23 02:30:34,742 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) [2022-07-23 02:30:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 6872 transitions. [2022-07-23 02:30:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-07-23 02:30:34,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:34,774 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:30:34,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:30:34,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:30:34,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:30:34,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:34,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2098084385, now seen corresponding path program 1 times [2022-07-23 02:30:35,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:30:35,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528442998] [2022-07-23 02:30:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:35,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:30:35,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:30:35,005 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) [2022-07-23 02:30:35,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:30:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:42,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 5280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:30:42,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:30:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11496 trivial. 0 not checked. [2022-07-23 02:30:43,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:30:43,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:30:43,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528442998] [2022-07-23 02:30:43,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528442998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:30:43,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:30:43,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:30:43,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245901882] [2022-07-23 02:30:43,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:30:43,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:30:43,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:30:43,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:30:43,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:30:43,371 INFO L87 Difference]: Start difference. First operand 4581 states and 6872 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-23 02:30:44,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:30:44,900 INFO L93 Difference]: Finished difference Result 9068 states and 13605 transitions. [2022-07-23 02:30:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:30:44,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 639 [2022-07-23 02:30:44,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:30:44,960 INFO L225 Difference]: With dead ends: 9068 [2022-07-23 02:30:44,961 INFO L226 Difference]: Without dead ends: 6772 [2022-07-23 02:30:44,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:30:44,985 INFO L413 NwaCegarLoop]: 6862 mSDtfsCounter, 3283 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3283 SdHoareTripleChecker+Valid, 10408 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:30:44,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3283 Valid, 10408 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 02:30:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6772 states. [2022-07-23 02:30:45,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6772 to 6772. [2022-07-23 02:30:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6772 states, 5153 states have (on average 1.4263535804385794) internal successors, (7350), 5246 states have internal predecessors, (7350), 1409 states have call successors, (1409), 210 states have call predecessors, (1409), 209 states have return successors, (1405), 1345 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-23 02:30:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 10164 transitions. [2022-07-23 02:30:45,278 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 10164 transitions. Word has length 639 [2022-07-23 02:30:45,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:30:45,280 INFO L495 AbstractCegarLoop]: Abstraction has 6772 states and 10164 transitions. [2022-07-23 02:30:45,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-23 02:30:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 10164 transitions. [2022-07-23 02:30:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-07-23 02:30:45,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:45,313 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:30:45,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:30:45,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:30:45,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:30:45,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:45,530 INFO L85 PathProgramCache]: Analyzing trace with hash -273654877, now seen corresponding path program 1 times [2022-07-23 02:30:45,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:30:45,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353938032] [2022-07-23 02:30:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:45,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:30:45,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:30:45,541 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) [2022-07-23 02:30:45,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:30:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:53,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 5280 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:30:53,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:31:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-23 02:31:20,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:31:20,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:31:20,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353938032] [2022-07-23 02:31:20,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353938032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:20,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:20,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:31:20,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026743721] [2022-07-23 02:31:20,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:20,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:31:20,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:31:20,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:31:20,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:31:20,264 INFO L87 Difference]: Start difference. First operand 6772 states and 10164 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-23 02:31:21,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:21,376 INFO L93 Difference]: Finished difference Result 6778 states and 10169 transitions. [2022-07-23 02:31:21,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:31:21,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 639 [2022-07-23 02:31:21,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:21,425 INFO L225 Difference]: With dead ends: 6778 [2022-07-23 02:31:21,426 INFO L226 Difference]: Without dead ends: 6776 [2022-07-23 02:31:21,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:31:21,437 INFO L413 NwaCegarLoop]: 3576 mSDtfsCounter, 3372 mSDsluCounter, 7141 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3373 SdHoareTripleChecker+Valid, 10717 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:21,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3373 Valid, 10717 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:31:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6776 states. [2022-07-23 02:31:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6776 to 6776. [2022-07-23 02:31:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6776 states, 5156 states have (on average 1.4261055081458496) internal successors, (7353), 5249 states have internal predecessors, (7353), 1409 states have call successors, (1409), 211 states have call predecessors, (1409), 210 states have return successors, (1405), 1345 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-23 02:31:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 10167 transitions. [2022-07-23 02:31:21,768 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 10167 transitions. Word has length 639 [2022-07-23 02:31:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:21,774 INFO L495 AbstractCegarLoop]: Abstraction has 6776 states and 10167 transitions. [2022-07-23 02:31:21,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-23 02:31:21,775 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 10167 transitions. [2022-07-23 02:31:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-07-23 02:31:21,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:21,796 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:31:21,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:31:22,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:31:22,012 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:31:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:22,013 INFO L85 PathProgramCache]: Analyzing trace with hash 355514749, now seen corresponding path program 1 times [2022-07-23 02:31:22,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:31:22,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979245707] [2022-07-23 02:31:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:22,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:31:22,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:31:22,020 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) [2022-07-23 02:31:22,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:31:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:29,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 5287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:31:29,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:31:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 11681 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-23 02:31:55,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:32:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 11681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-23 02:32:02,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:02,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979245707] [2022-07-23 02:32:02,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979245707] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:32:02,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:32:02,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:32:02,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095232439] [2022-07-23 02:32:02,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:02,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:32:02,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:02,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:32:02,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:32:02,075 INFO L87 Difference]: Start difference. First operand 6776 states and 10167 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60)