./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_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 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:26:11,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:26:11,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:26:11,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:26:11,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:26:11,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:26:11,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:26:11,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:26:11,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:26:11,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:26:11,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:26:11,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:26:11,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:26:11,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:26:11,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:26:11,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:26:11,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:26:11,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:26:11,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:26:11,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:26:11,760 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:26:11,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:26:11,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:26:11,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:26:11,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:26:11,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:26:11,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:26:11,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:26:11,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:26:11,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:26:11,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:26:11,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:26:11,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:26:11,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:26:11,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:26:11,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:26:11,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:26:11,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:26:11,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:26:11,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:26:11,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:26:11,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:26:11,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:26:11,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:26:11,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:26:11,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:26:11,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:26:11,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:26:11,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:26:11,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:26:11,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:26:11,804 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:26:11,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:26:11,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:26:11,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:26:11,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:26:11,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:26:11,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:26:11,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:26:11,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:26:11,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:26:11,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:26:11,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:26:11,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:26:11,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:26:11,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:26:11,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:26:11,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:26:11,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:26:11,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:26:11,807 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:26:11,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:26:11,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:26:11,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 [2022-07-12 15:26:12,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:26:12,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:26:12,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:26:12,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:26:12,053 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:26:12,053 INFO L432 ainManager$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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:26:12,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0252eb7/82ba04d0949b47a08aa0505c42fd6f09/FLAG1677e2347 [2022-07-12 15:26:12,781 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:26:12,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:26:12,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0252eb7/82ba04d0949b47a08aa0505c42fd6f09/FLAG1677e2347 [2022-07-12 15:26:13,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0252eb7/82ba04d0949b47a08aa0505c42fd6f09 [2022-07-12 15:26:13,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:26:13,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:26:13,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:26:13,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:26:13,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:26:13,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:26:13" (1/1) ... [2022-07-12 15:26:13,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40993ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:13, skipping insertion in model container [2022-07-12 15:26:13,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:26:13" (1/1) ... [2022-07-12 15:26:13,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:26:13,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:26:15,131 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-12 15:26:15,134 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-12 15:26:15,135 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-12 15:26:15,135 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-12 15:26:15,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:26:15,187 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:26:15,486 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 [12941] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 15:26:15,491 INFO L158 Benchmark]: Toolchain (without parser) took 2343.28ms. Allocated memory was 119.5MB in the beginning and 205.5MB in the end (delta: 86.0MB). Free memory was 66.3MB in the beginning and 109.4MB in the end (delta: -43.1MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2022-07-12 15:26:15,491 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:26:15,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2341.30ms. Allocated memory was 119.5MB in the beginning and 205.5MB in the end (delta: 86.0MB). Free memory was 65.9MB in the beginning and 109.4MB in the end (delta: -43.5MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2022-07-12 15:26:15,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2341.30ms. Allocated memory was 119.5MB in the beginning and 205.5MB in the end (delta: 86.0MB). Free memory was 65.9MB in the beginning and 109.4MB in the end (delta: -43.5MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12941] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12941]: 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-usb-dev_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 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:26:17,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:26:17,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:26:17,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:26:17,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:26:17,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:26:17,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:26:17,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:26:17,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:26:17,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:26:17,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:26:17,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:26:17,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:26:17,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:26:17,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:26:17,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:26:17,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:26:17,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:26:17,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:26:17,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:26:17,231 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:26:17,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:26:17,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:26:17,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:26:17,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:26:17,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:26:17,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:26:17,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:26:17,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:26:17,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:26:17,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:26:17,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:26:17,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:26:17,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:26:17,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:26:17,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:26:17,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:26:17,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:26:17,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:26:17,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:26:17,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:26:17,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:26:17,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:26:17,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:26:17,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:26:17,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:26:17,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:26:17,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:26:17,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:26:17,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:26:17,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:26:17,285 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:26:17,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:26:17,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:26:17,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:26:17,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:26:17,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:26:17,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:26:17,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:26:17,287 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:26:17,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:26:17,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:26:17,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:26:17,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:26:17,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:26:17,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:26:17,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:26:17,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:26:17,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:26:17,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:26:17,288 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:26:17,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:26:17,289 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:26:17,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:26:17,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:26:17,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:26:17,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 805da4969fed59701f34ab4b08f18cb998495b0e0d4aa74f082eef62f15672a0 [2022-07-12 15:26:17,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:26:17,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:26:17,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:26:17,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:26:17,597 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:26:17,598 INFO L432 ainManager$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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:26:17,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f817b2949/c309b0ef3701452688e2009097640cce/FLAG69b5019c3 [2022-07-12 15:26:18,453 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:26:18,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:26:18,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f817b2949/c309b0ef3701452688e2009097640cce/FLAG69b5019c3 [2022-07-12 15:26:18,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f817b2949/c309b0ef3701452688e2009097640cce [2022-07-12 15:26:18,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:26:18,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:26:18,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:26:18,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:26:18,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:26:18,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:26:18" (1/1) ... [2022-07-12 15:26:18,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b36d7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:18, skipping insertion in model container [2022-07-12 15:26:18,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:26:18" (1/1) ... [2022-07-12 15:26:18,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:26:18,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:26:21,139 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-12 15:26:21,142 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-12 15:26:21,143 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-12 15:26:21,143 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-12 15:26:21,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:26:21,192 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:26:21,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:26:21,582 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-12 15:26:21,583 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-12 15:26:21,584 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-12 15:26:21,585 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-12 15:26:21,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:26:21,630 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:26:21,965 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462712,462725] [2022-07-12 15:26:21,965 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462859,462872] [2022-07-12 15:26:21,966 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[462998,463011] [2022-07-12 15:26:21,967 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-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[463156,463169] [2022-07-12 15:26:21,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:26:22,195 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:26:22,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22 WrapperNode [2022-07-12 15:26:22,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:26:22,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:26:22,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:26:22,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:26:22,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,518 INFO L137 Inliner]: procedures = 311, calls = 4182, calls flagged for inlining = 163, calls inlined = 155, statements flattened = 6819 [2022-07-12 15:26:22,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:26:22,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:26:22,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:26:22,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:26:22,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:26:22,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:26:22,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:26:22,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:26:22,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (1/1) ... [2022-07-12 15:26:22,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:26:22,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:26:22,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 15:26:22,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 15:26:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 15:26:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 15:26:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-12 15:26:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-12 15:26:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:26:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-12 15:26:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-12 15:26:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:26:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:26:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-12 15:26:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-12 15:26:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:26:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:26:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:26:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:26:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:26:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:26:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 15:26:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 15:26:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:26:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:26:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 15:26:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 15:26:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-12 15:26:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-12 15:26:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 15:26:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 15:26:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-12 15:26:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-12 15:26:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-12 15:26:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-12 15:26:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-12 15:26:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-12 15:26:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-12 15:26:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-12 15:26:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-12 15:26:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-12 15:26:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-12 15:26:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-12 15:26:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-12 15:26:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-12 15:26:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-12 15:26:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-12 15:26:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 15:26:22,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 15:26:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-12 15:26:22,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-12 15:26:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-12 15:26:22,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-12 15:26:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:26:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-12 15:26:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-12 15:26:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-12 15:26:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-12 15:26:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:26:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:26:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:26:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:26:22,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:26:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-12 15:26:22,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-12 15:26:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:26:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:26:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-12 15:26:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-12 15:26:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:26:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:26:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 15:26:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 15:26:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:26:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 15:26:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:26:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:26:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:26:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 15:26:22,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 15:26:22,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:26:22,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:26:22,884 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-12 15:26:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-12 15:26:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 15:26:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 15:26:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-12 15:26:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-12 15:26:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-12 15:26:22,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-12 15:26:22,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:26:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:26:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 15:26:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 15:26:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 15:26:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 15:26:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-12 15:26:22,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-12 15:26:22,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 15:26:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 15:26:22,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:26:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:26:22,887 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 15:26:22,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 15:26:22,887 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-12 15:26:22,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-12 15:26:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 15:26:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 15:26:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:26:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:26:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-12 15:26:22,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-12 15:26:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:26:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:26:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 15:26:22,893 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 15:26:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-12 15:26:22,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-12 15:26:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:26:22,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:26:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:26:22,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:26:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-12 15:26:22,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-12 15:26:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:26:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:26:22,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:26:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:26:22,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:26:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-12 15:26:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-12 15:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:26:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-12 15:26:22,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-12 15:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:26:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:26:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:26:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-12 15:26:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-12 15:26:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-12 15:26:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-12 15:26:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-12 15:26:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-12 15:26:22,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:26:22,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:26:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-12 15:26:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-12 15:26:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-12 15:26:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-12 15:26:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-12 15:26:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-12 15:26:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-12 15:26:22,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-12 15:26:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-12 15:26:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-12 15:26:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 15:26:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 15:26:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-12 15:26:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-12 15:26:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-12 15:26:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-12 15:26:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-12 15:26:22,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-12 15:26:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:26:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-12 15:26:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-12 15:26:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:26:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:26:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:26:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:26:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-12 15:26:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-12 15:26:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-12 15:26:22,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-12 15:26:23,668 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:26:23,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:26:26,852 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:28:40,540 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:28:40,787 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:28:40,803 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:28:40,803 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 15:28:40,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:28:40 BoogieIcfgContainer [2022-07-12 15:28:40,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:28:40,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:28:40,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:28:40,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:28:40,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:26:18" (1/3) ... [2022-07-12 15:28:40,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e96abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:28:40, skipping insertion in model container [2022-07-12 15:28:40,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:26:22" (2/3) ... [2022-07-12 15:28:40,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e96abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:28:40, skipping insertion in model container [2022-07-12 15:28:40,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:28:40" (3/3) ... [2022-07-12 15:28:40,815 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:28:40,825 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:28:40,826 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 15:28:40,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:28:40,906 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@61c93acf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@298a9847 [2022-07-12 15:28:40,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 15:28:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 2401 states, 1807 states have (on average 1.4150525733259547) internal successors, (2557), 1839 states have internal predecessors, (2557), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) [2022-07-12 15:28:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-07-12 15:28:40,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:40,954 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] [2022-07-12 15:28:40,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:40,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:40,959 INFO L85 PathProgramCache]: Analyzing trace with hash 919965541, now seen corresponding path program 1 times [2022-07-12 15:28:40,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:40,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626407605] [2022-07-12 15:28:40,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:40,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:40,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:40,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:28:40,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:28:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:48,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 5140 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:48,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 15:28:48,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:48,809 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:48,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626407605] [2022-07-12 15:28:48,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626407605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:48,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:48,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:48,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818675574] [2022-07-12 15:28:48,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:48,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:48,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:48,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:48,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:48,838 INFO L87 Difference]: Start difference. First operand has 2401 states, 1807 states have (on average 1.4150525733259547) internal successors, (2557), 1839 states have internal predecessors, (2557), 521 states have call successors, (521), 72 states have call predecessors, (521), 71 states have return successors, (514), 494 states have call predecessors, (514), 514 states have call successors, (514) 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-12 15:28:50,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:28:50,313 INFO L93 Difference]: Finished difference Result 6890 states and 10342 transitions. [2022-07-12 15:28:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:28:50,318 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 579 [2022-07-12 15:28:50,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:28:50,367 INFO L225 Difference]: With dead ends: 6890 [2022-07-12 15:28:50,368 INFO L226 Difference]: Without dead ends: 4582 [2022-07-12 15:28:50,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:50,390 INFO L413 NwaCegarLoop]: 4037 mSDtfsCounter, 3330 mSDsluCounter, 3524 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7561 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:28:50,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7561 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 15:28:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-07-12 15:28:50,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4580. [2022-07-12 15:28:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4580 states, 3483 states have (on average 1.422624174562159) internal successors, (4955), 3546 states have internal predecessors, (4955), 956 states have call successors, (956), 140 states have call predecessors, (956), 139 states have return successors, (953), 913 states have call predecessors, (953), 953 states have call successors, (953) [2022-07-12 15:28:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4580 states and 6864 transitions. [2022-07-12 15:28:50,614 INFO L78 Accepts]: Start accepts. Automaton has 4580 states and 6864 transitions. Word has length 579 [2022-07-12 15:28:50,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:28:50,616 INFO L495 AbstractCegarLoop]: Abstraction has 4580 states and 6864 transitions. [2022-07-12 15:28:50,617 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, (54), 3 states have call predecessors, (54), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-12 15:28:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 6864 transitions. [2022-07-12 15:28:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-07-12 15:28:50,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:50,637 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:28:50,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 15:28:50,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:28:50,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:50,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:50,865 INFO L85 PathProgramCache]: Analyzing trace with hash -272167897, now seen corresponding path program 1 times [2022-07-12 15:28:50,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:50,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930016726] [2022-07-12 15:28:50,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:50,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:50,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:50,900 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:28:50,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:28:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:58,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 5331 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:58,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 11268 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11118 trivial. 0 not checked. [2022-07-12 15:28:59,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:59,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:59,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930016726] [2022-07-12 15:28:59,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930016726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:59,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:59,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:59,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146611218] [2022-07-12 15:28:59,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:59,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:59,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:59,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:59,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:59,638 INFO L87 Difference]: Start difference. First operand 4580 states and 6864 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-12 15:29:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:29:01,269 INFO L93 Difference]: Finished difference Result 13139 states and 19722 transitions. [2022-07-12 15:29:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:29:01,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 653 [2022-07-12 15:29:01,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:29:01,327 INFO L225 Difference]: With dead ends: 13139 [2022-07-12 15:29:01,327 INFO L226 Difference]: Without dead ends: 8664 [2022-07-12 15:29:01,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:29:01,358 INFO L413 NwaCegarLoop]: 3983 mSDtfsCounter, 3096 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:29:01,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 7506 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 15:29:01,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8664 states. [2022-07-12 15:29:01,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8664 to 8653. [2022-07-12 15:29:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8653 states, 6630 states have (on average 1.428657616892911) internal successors, (9472), 6758 states have internal predecessors, (9472), 1756 states have call successors, (1756), 266 states have call predecessors, (1756), 265 states have return successors, (1753), 1666 states have call predecessors, (1753), 1753 states have call successors, (1753) [2022-07-12 15:29:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8653 states to 8653 states and 12981 transitions. [2022-07-12 15:29:01,695 INFO L78 Accepts]: Start accepts. Automaton has 8653 states and 12981 transitions. Word has length 653 [2022-07-12 15:29:01,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:29:01,697 INFO L495 AbstractCegarLoop]: Abstraction has 8653 states and 12981 transitions. [2022-07-12 15:29:01,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-12 15:29:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 8653 states and 12981 transitions. [2022-07-12 15:29:01,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-07-12 15:29:01,717 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:29:01,718 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] [2022-07-12 15:29:01,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:29:01,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:29:01,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:29:01,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:29:01,944 INFO L85 PathProgramCache]: Analyzing trace with hash 665963149, now seen corresponding path program 1 times [2022-07-12 15:29:01,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:29:01,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283290309] [2022-07-12 15:29:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:29:01,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:29:01,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:29:01,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:29:01,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:29:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:29:09,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:29:09,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:29:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11496 trivial. 0 not checked. [2022-07-12 15:29:10,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:29:10,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:29:10,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283290309] [2022-07-12 15:29:10,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283290309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:29:10,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:29:10,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:29:10,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530354291] [2022-07-12 15:29:10,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:29:10,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:29:10,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:29:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:29:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:29:10,183 INFO L87 Difference]: Start difference. First operand 8653 states and 12981 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, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-12 15:29:11,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:29:11,656 INFO L93 Difference]: Finished difference Result 17220 states and 25835 transitions. [2022-07-12 15:29:11,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:29:11,656 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, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 638 [2022-07-12 15:29:11,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:29:11,744 INFO L225 Difference]: With dead ends: 17220 [2022-07-12 15:29:11,744 INFO L226 Difference]: Without dead ends: 12848 [2022-07-12 15:29:11,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:29:11,776 INFO L413 NwaCegarLoop]: 6855 mSDtfsCounter, 3291 mSDsluCounter, 3531 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 10386 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:29:11,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 10386 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 15:29:11,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12848 states. [2022-07-12 15:29:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12848 to 12846. [2022-07-12 15:29:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12846 states, 9860 states have (on average 1.4311359026369168) internal successors, (14111), 10049 states have internal predecessors, (14111), 2588 states have call successors, (2588), 397 states have call predecessors, (2588), 396 states have return successors, (2585), 2456 states have call predecessors, (2585), 2585 states have call successors, (2585) [2022-07-12 15:29:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12846 states to 12846 states and 19284 transitions. [2022-07-12 15:29:12,168 INFO L78 Accepts]: Start accepts. Automaton has 12846 states and 19284 transitions. Word has length 638 [2022-07-12 15:29:12,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:29:12,172 INFO L495 AbstractCegarLoop]: Abstraction has 12846 states and 19284 transitions. [2022-07-12 15:29:12,172 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, (61), 3 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-12 15:29:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 12846 states and 19284 transitions. [2022-07-12 15:29:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2022-07-12 15:29:12,190 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:29:12,190 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] [2022-07-12 15:29:12,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 15:29:12,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:29:12,412 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:29:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:29:12,412 INFO L85 PathProgramCache]: Analyzing trace with hash 728002763, now seen corresponding path program 1 times [2022-07-12 15:29:12,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:29:12,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106818995] [2022-07-12 15:29:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:29:12,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:29:12,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:29:12,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:29:12,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:29:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:29:20,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 5268 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:29:20,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:29:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-12 15:29:46,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:29:46,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:29:46,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106818995] [2022-07-12 15:29:46,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106818995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:29:46,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:29:46,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:29:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932521152] [2022-07-12 15:29:46,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:29:46,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:29:46,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:29:46,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:29:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:29:46,379 INFO L87 Difference]: Start difference. First operand 12846 states and 19284 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-12 15:29:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:29:47,355 INFO L93 Difference]: Finished difference Result 12846 states and 19284 transitions. [2022-07-12 15:29:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 15:29:47,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 638 [2022-07-12 15:29:47,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:29:47,442 INFO L225 Difference]: With dead ends: 12846 [2022-07-12 15:29:47,442 INFO L226 Difference]: Without dead ends: 12807 [2022-07-12 15:29:47,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:29:47,463 INFO L413 NwaCegarLoop]: 3560 mSDtfsCounter, 3348 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 7120 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:29:47,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 7120 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 15:29:47,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12807 states. [2022-07-12 15:29:47,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12807 to 12807. [2022-07-12 15:29:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12807 states, 9839 states have (on average 1.4314462851915846) internal successors, (14084), 10022 states have internal predecessors, (14084), 2573 states have call successors, (2573), 394 states have call predecessors, (2573), 394 states have return successors, (2573), 2447 states have call predecessors, (2573), 2573 states have call successors, (2573) [2022-07-12 15:29:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12807 states to 12807 states and 19230 transitions. [2022-07-12 15:29:48,027 INFO L78 Accepts]: Start accepts. Automaton has 12807 states and 19230 transitions. Word has length 638 [2022-07-12 15:29:48,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:29:48,028 INFO L495 AbstractCegarLoop]: Abstraction has 12807 states and 19230 transitions. [2022-07-12 15:29:48,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-12 15:29:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 12807 states and 19230 transitions. [2022-07-12 15:29:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-07-12 15:29:48,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:29:48,053 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 50, 50, 50, 50, 50, 50, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 15:29:48,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:29:48,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:29:48,276 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:29:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:29:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1680628003, now seen corresponding path program 1 times [2022-07-12 15:29:48,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:29:48,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479962857] [2022-07-12 15:29:48,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:29:48,281 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:29:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:29:48,283 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:29:48,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:29:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:29:55,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 5372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:29:55,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:29:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 11456 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 11142 trivial. 0 not checked. [2022-07-12 15:29:56,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:29:56,528 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:29:56,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479962857] [2022-07-12 15:29:56,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479962857] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:29:56,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:29:56,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:29:56,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067622624] [2022-07-12 15:29:56,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:29:56,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:29:56,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:29:56,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:29:56,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:29:56,530 INFO L87 Difference]: Start difference. First operand 12807 states and 19230 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-12 15:29:57,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:29:57,908 INFO L93 Difference]: Finished difference Result 31824 states and 47764 transitions. [2022-07-12 15:29:57,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:29:57,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 680 [2022-07-12 15:29:57,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:29:58,058 INFO L225 Difference]: With dead ends: 31824 [2022-07-12 15:29:58,059 INFO L226 Difference]: Without dead ends: 19122 [2022-07-12 15:29:58,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:29:58,123 INFO L413 NwaCegarLoop]: 4277 mSDtfsCounter, 3346 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:29:58,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 7800 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 15:29:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19122 states. [2022-07-12 15:29:58,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19122 to 19118. [2022-07-12 15:29:58,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19118 states, 14707 states have (on average 1.430815258040389) internal successors, (21043), 14978 states have internal predecessors, (21043), 3814 states have call successors, (3814), 596 states have call predecessors, (3814), 596 states have return successors, (3814), 3628 states have call predecessors, (3814), 3814 states have call successors, (3814) [2022-07-12 15:29:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19118 states to 19118 states and 28671 transitions. [2022-07-12 15:29:58,810 INFO L78 Accepts]: Start accepts. Automaton has 19118 states and 28671 transitions. Word has length 680 [2022-07-12 15:29:58,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:29:58,811 INFO L495 AbstractCegarLoop]: Abstraction has 19118 states and 28671 transitions. [2022-07-12 15:29:58,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-07-12 15:29:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 19118 states and 28671 transitions. [2022-07-12 15:29:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2022-07-12 15:29:58,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:29:58,865 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 50, 50, 50, 50, 50, 50, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:29:58,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 15:29:59,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:29:59,080 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:29:59,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:29:59,081 INFO L85 PathProgramCache]: Analyzing trace with hash 429113281, now seen corresponding path program 1 times [2022-07-12 15:29:59,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:29:59,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990653891] [2022-07-12 15:29:59,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:29:59,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:29:59,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:29:59,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:29:59,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 15:30:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:30:07,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 5517 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:30:07,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:30:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12075 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12075 trivial. 0 not checked. [2022-07-12 15:30:37,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:30:37,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:30:37,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990653891] [2022-07-12 15:30:37,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990653891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:30:37,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:30:37,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:30:37,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865001086] [2022-07-12 15:30:37,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:30:37,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:30:37,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:30:37,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:30:37,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:30:37,063 INFO L87 Difference]: Start difference. First operand 19118 states and 28671 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67)