./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-net-ethernet-atheros-atl1c-atl1c.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-net-ethernet-atheros-atl1c-atl1c.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 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:27:12,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:27:12,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:27:12,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:27:12,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:27:12,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:27:12,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:27:12,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:27:12,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:27:12,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:27:12,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:27:12,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:27:12,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:27:12,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:27:12,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:27:12,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:27:12,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:27:12,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:27:12,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:27:12,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:27:12,773 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:27:12,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:27:12,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:27:12,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:27:12,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:27:12,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:27:12,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:27:12,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:27:12,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:27:12,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:27:12,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:27:12,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:27:12,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:27:12,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:27:12,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:27:12,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:27:12,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:27:12,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:27:12,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:27:12,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:27:12,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:27:12,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:27:12,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:27:12,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:27:12,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:27:12,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:27:12,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:27:12,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:27:12,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:27:12,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:27:12,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:27:12,813 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:27:12,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:27:12,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:27:12,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:27:12,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:27:12,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:27:12,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:27:12,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:27:12,815 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:27:12,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:27:12,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:27:12,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:27:12,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:27:12,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:27:12,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:27:12,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:27:12,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:27:12,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:27:12,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:27:12,817 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:27:12,818 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:27:12,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:27:12,818 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-12 15:27:13,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:27:13,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:27:13,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:27:13,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:27:13,023 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:27:13,024 INFO L432 ainManager$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-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-12 15:27:13,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea17fb3f/eef3de48da3a49df866c2b10d7574f1a/FLAGbd33b0163 [2022-07-12 15:27:13,747 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:27:13,748 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-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-12 15:27:13,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea17fb3f/eef3de48da3a49df866c2b10d7574f1a/FLAGbd33b0163 [2022-07-12 15:27:13,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea17fb3f/eef3de48da3a49df866c2b10d7574f1a [2022-07-12 15:27:13,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:27:13,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:27:13,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:27:13,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:27:13,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:27:13,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:27:13" (1/1) ... [2022-07-12 15:27:13,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef30d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:13, skipping insertion in model container [2022-07-12 15:27:13,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:27:13" (1/1) ... [2022-07-12 15:27:13,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:27:13,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:27:16,779 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-12 15:27:16,781 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-12 15:27:16,782 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-12 15:27:16,782 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-12 15:27:16,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:27:16,833 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:27:16,943 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: data = data & 4294959087U [8104] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 15:27:16,950 INFO L158 Benchmark]: Toolchain (without parser) took 3106.97ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 71.1MB in the beginning and 47.0MB in the end (delta: 24.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2022-07-12 15:27:16,950 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:27:16,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3105.33ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 71.1MB in the beginning and 47.0MB in the end (delta: 24.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2022-07-12 15:27:16,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3105.33ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 71.1MB in the beginning and 47.0MB in the end (delta: 24.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: data = data & 4294959087U [8104] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: data = data & 4294959087U [8104]: 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-net-ethernet-atheros-atl1c-atl1c.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 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:27:18,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:27:18,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:27:18,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:27:18,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:27:18,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:27:18,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:27:18,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:27:18,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:27:18,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:27:18,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:27:18,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:27:18,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:27:18,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:27:18,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:27:18,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:27:18,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:27:18,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:27:18,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:27:18,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:27:18,745 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:27:18,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:27:18,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:27:18,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:27:18,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:27:18,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:27:18,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:27:18,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:27:18,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:27:18,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:27:18,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:27:18,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:27:18,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:27:18,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:27:18,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:27:18,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:27:18,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:27:18,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:27:18,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:27:18,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:27:18,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:27:18,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:27:18,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:27:18,792 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:27:18,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:27:18,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:27:18,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:27:18,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:27:18,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:27:18,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:27:18,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:27:18,794 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:27:18,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:27:18,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:27:18,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:27:18,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:27:18,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:27:18,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:27:18,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:27:18,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:27:18,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:27:18,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:27:18,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:27:18,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:27:18,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:27:18,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:27:18,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:27:18,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:27:18,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:27:18,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:27:18,798 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:27:18,798 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:27:18,798 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:27:18,798 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:27:18,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:27:18,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:27:18,799 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-12 15:27:19,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:27:19,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:27:19,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:27:19,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:27:19,100 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:27:19,101 INFO L432 ainManager$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-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-12 15:27:19,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f964d96f0/84a80fe45fce4a29a1ca363a924e0781/FLAG0af83fe7d [2022-07-12 15:27:19,868 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:27:19,869 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-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-12 15:27:19,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f964d96f0/84a80fe45fce4a29a1ca363a924e0781/FLAG0af83fe7d [2022-07-12 15:27:20,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f964d96f0/84a80fe45fce4a29a1ca363a924e0781 [2022-07-12 15:27:20,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:27:20,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:27:20,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:27:20,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:27:20,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:27:20,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:27:20" (1/1) ... [2022-07-12 15:27:20,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd637fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:20, skipping insertion in model container [2022-07-12 15:27:20,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:27:20" (1/1) ... [2022-07-12 15:27:20,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:27:20,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:27:24,482 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-12 15:27:24,485 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-12 15:27:24,486 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-12 15:27:24,486 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-12 15:27:24,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:27:24,589 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:27:24,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:27:24,944 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-12 15:27:24,976 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-12 15:27:24,976 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-12 15:27:24,977 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-12 15:27:24,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:27:24,996 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:27:25,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-12 15:27:25,281 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-12 15:27:25,281 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-12 15:27:25,281 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-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-12 15:27:25,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:27:25,540 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:27:25,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25 WrapperNode [2022-07-12 15:27:25,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:27:25,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:27:25,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:27:25,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:27:25,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:25,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:25,987 INFO L137 Inliner]: procedures = 596, calls = 3848, calls flagged for inlining = 356, calls inlined = 344, statements flattened = 9942 [2022-07-12 15:27:25,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:27:25,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:27:25,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:27:25,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:27:25,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:25,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:26,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:26,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:26,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:26,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:26,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:26,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:27:26,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:27:26,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:27:26,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:27:26,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (1/1) ... [2022-07-12 15:27:26,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:27:26,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:27:26,245 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 15:27:26,258 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 15:27:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 15:27:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 15:27:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-12 15:27:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-12 15:27:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-07-12 15:27:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-07-12 15:27:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-12 15:27:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-12 15:27:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-07-12 15:27:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-07-12 15:27:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 15:27:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 15:27:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:27:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:27:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-12 15:27:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-12 15:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:27:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-07-12 15:27:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-07-12 15:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 15:27:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 15:27:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 15:27:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 15:27:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 15:27:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 15:27:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 15:27:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 15:27:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-07-12 15:27:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-07-12 15:27:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:27:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:27:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 15:27:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 15:27:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-07-12 15:27:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-07-12 15:27:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-07-12 15:27:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-07-12 15:27:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-07-12 15:27:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-07-12 15:27:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 15:27:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 15:27:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:27:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:27:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 15:27:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 15:27:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 15:27:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 15:27:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:27:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:27:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:27:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:27:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 15:27:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 15:27:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 15:27:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 15:27:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 15:27:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 15:27:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 15:27:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 15:27:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:27:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 15:27:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 15:27:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-07-12 15:27:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-07-12 15:27:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 15:27:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:27:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:27:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:27:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 15:27:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 15:27:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-07-12 15:27:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-07-12 15:27:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:27:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:27:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 15:27:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 15:27:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-07-12 15:27:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-07-12 15:27:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-07-12 15:27:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-07-12 15:27:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-07-12 15:27:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-07-12 15:27:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-07-12 15:27:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-07-12 15:27:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:27:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:27:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 15:27:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 15:27:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-07-12 15:27:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-07-12 15:27:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:27:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:27:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 15:27:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 15:27:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 15:27:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 15:27:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:27:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:27:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 15:27:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 15:27:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 15:27:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 15:27:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:27:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:27:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:27:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:27:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 15:27:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 15:27:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-07-12 15:27:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-07-12 15:27:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:27:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:27:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:27:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:27:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:27:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 15:27:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 15:27:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 15:27:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 15:27:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:27:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 15:27:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 15:27:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:27:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:27:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:27:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:27:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:27:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-07-12 15:27:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-07-12 15:27:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 15:27:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 15:27:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:27:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:27:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:27:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:27:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:27:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:27:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-12 15:27:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-12 15:27:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-12 15:27:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-12 15:27:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 15:27:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 15:27:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-07-12 15:27:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-07-12 15:27:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-07-12 15:27:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-07-12 15:27:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 15:27:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 15:27:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:27:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:27:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-07-12 15:27:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-07-12 15:27:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:27:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:27:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-07-12 15:27:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-07-12 15:27:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-07-12 15:27:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-07-12 15:27:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-07-12 15:27:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-07-12 15:27:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-07-12 15:27:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-07-12 15:27:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 15:27:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 15:27:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:27:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:27:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:27:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-07-12 15:27:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-07-12 15:27:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-07-12 15:27:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-07-12 15:27:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 15:27:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 15:27:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-07-12 15:27:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-07-12 15:27:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-07-12 15:27:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-07-12 15:27:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:27:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:27:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 15:27:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 15:27:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 15:27:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 15:27:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:27:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:27:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:27:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 15:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 15:27:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-07-12 15:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-07-12 15:27:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 15:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 15:27:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 15:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 15:27:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-07-12 15:27:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-07-12 15:27:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-07-12 15:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-07-12 15:27:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 15:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 15:27:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 15:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 15:27:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 15:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 15:27:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-07-12 15:27:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-07-12 15:27:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-07-12 15:27:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-07-12 15:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 15:27:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 15:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:27:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-07-12 15:27:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-07-12 15:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 15:27:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 15:27:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-07-12 15:27:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-07-12 15:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 15:27:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 15:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 15:27:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 15:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 15:27:26,302 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 15:27:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 15:27:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 15:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-07-12 15:27:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-07-12 15:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-07-12 15:27:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-07-12 15:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 15:27:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 15:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-12 15:27:26,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-12 15:27:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-07-12 15:27:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-07-12 15:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 15:27:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 15:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-07-12 15:27:26,304 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-07-12 15:27:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 15:27:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 15:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-07-12 15:27:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-07-12 15:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 15:27:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 15:27:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 15:27:26,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 15:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 15:27:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 15:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-07-12 15:27:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-07-12 15:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:27:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:27:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:27:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 15:27:26,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 15:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-07-12 15:27:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-07-12 15:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-12 15:27:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-12 15:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-07-12 15:27:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-07-12 15:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-07-12 15:27:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-07-12 15:27:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-07-12 15:27:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-07-12 15:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 15:27:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 15:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:27:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-12 15:27:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-12 15:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 15:27:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 15:27:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 15:27:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 15:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:27:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-07-12 15:27:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-07-12 15:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:27:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-07-12 15:27:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-07-12 15:27:26,309 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-07-12 15:27:26,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-07-12 15:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 15:27:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 15:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:27:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-07-12 15:27:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-07-12 15:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-07-12 15:27:26,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-07-12 15:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:27:26,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:27:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 15:27:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 15:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 15:27:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 15:27:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-07-12 15:27:26,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-07-12 15:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 15:27:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 15:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-07-12 15:27:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-07-12 15:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-07-12 15:27:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-07-12 15:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-12 15:27:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-12 15:27:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-07-12 15:27:26,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-07-12 15:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:27:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 15:27:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 15:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-07-12 15:27:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-07-12 15:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-07-12 15:27:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-07-12 15:27:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-12 15:27:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-12 15:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 15:27:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 15:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 15:27:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 15:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 15:27:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 15:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-07-12 15:27:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-07-12 15:27:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:27:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:27:27,304 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:27:27,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:27:27,724 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:28:22,589 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:28:24,830 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:28:24,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:28:24,856 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 15:28:24,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:28:24 BoogieIcfgContainer [2022-07-12 15:28:24,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:28:24,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:28:24,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:28:24,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:28:24,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:27:20" (1/3) ... [2022-07-12 15:28:24,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d64b8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:28:24, skipping insertion in model container [2022-07-12 15:28:24,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:27:25" (2/3) ... [2022-07-12 15:28:24,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d64b8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:28:24, skipping insertion in model container [2022-07-12 15:28:24,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:28:24" (3/3) ... [2022-07-12 15:28:24,875 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-12 15:28:24,885 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:28:24,886 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-12 15:28:24,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:28:24,991 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@34e92bab, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d78bbdf [2022-07-12 15:28:24,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 15:28:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 4049 states, 2766 states have (on average 1.2657266811279826) internal successors, (3501), 2805 states have internal predecessors, (3501), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) [2022-07-12 15:28:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-12 15:28:25,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:25,032 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:25,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:25,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:25,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1574313908, now seen corresponding path program 1 times [2022-07-12 15:28:25,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:25,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126208789] [2022-07-12 15:28:25,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:25,051 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:25,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:25,069 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 15:28:25,112 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 15:28:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:27,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:27,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 15:28:27,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:27,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:27,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126208789] [2022-07-12 15:28:27,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126208789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:27,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:27,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:27,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142035193] [2022-07-12 15:28:27,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:27,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:27,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:27,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:27,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:27,562 INFO L87 Difference]: Start difference. First operand has 4049 states, 2766 states have (on average 1.2657266811279826) internal successors, (3501), 2805 states have internal predecessors, (3501), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 15:28:28,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:28:28,299 INFO L93 Difference]: Finished difference Result 11967 states and 17135 transitions. [2022-07-12 15:28:28,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:28:28,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 216 [2022-07-12 15:28:28,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:28:28,370 INFO L225 Difference]: With dead ends: 11967 [2022-07-12 15:28:28,370 INFO L226 Difference]: Without dead ends: 7941 [2022-07-12 15:28:28,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:28,409 INFO L413 NwaCegarLoop]: 6793 mSDtfsCounter, 5564 mSDsluCounter, 5650 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 12443 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:28:28,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5564 Valid, 12443 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:28:28,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7941 states. [2022-07-12 15:28:28,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7941 to 7939. [2022-07-12 15:28:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7939 states, 5435 states have (on average 1.259797608095676) internal successors, (6847), 5512 states have internal predecessors, (6847), 2185 states have call successors, (2185), 318 states have call predecessors, (2185), 317 states have return successors, (2182), 2164 states have call predecessors, (2182), 2182 states have call successors, (2182) [2022-07-12 15:28:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 11214 transitions. [2022-07-12 15:28:28,891 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 11214 transitions. Word has length 216 [2022-07-12 15:28:28,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:28:28,892 INFO L495 AbstractCegarLoop]: Abstraction has 7939 states and 11214 transitions. [2022-07-12 15:28:28,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-12 15:28:28,892 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 11214 transitions. [2022-07-12 15:28:28,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-12 15:28:28,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:28,900 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:28,959 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 15:28:29,119 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 15:28:29,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:29,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:29,120 INFO L85 PathProgramCache]: Analyzing trace with hash 874449462, now seen corresponding path program 1 times [2022-07-12 15:28:29,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:29,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006266603] [2022-07-12 15:28:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:29,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:29,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:29,124 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 15:28:29,126 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 15:28:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:31,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:31,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-12 15:28:31,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:31,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:31,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006266603] [2022-07-12 15:28:31,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006266603] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:31,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:31,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:31,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966450296] [2022-07-12 15:28:31,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:31,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:31,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:31,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:31,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:31,600 INFO L87 Difference]: Start difference. First operand 7939 states and 11214 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:28:32,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:28:32,604 INFO L93 Difference]: Finished difference Result 18941 states and 26702 transitions. [2022-07-12 15:28:32,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:28:32,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 234 [2022-07-12 15:28:32,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:28:32,667 INFO L225 Difference]: With dead ends: 18941 [2022-07-12 15:28:32,668 INFO L226 Difference]: Without dead ends: 11041 [2022-07-12 15:28:32,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:32,703 INFO L413 NwaCegarLoop]: 6682 mSDtfsCounter, 4938 mSDsluCounter, 5613 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4938 SdHoareTripleChecker+Valid, 12295 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:28:32,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4938 Valid, 12295 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 15:28:32,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11041 states. [2022-07-12 15:28:33,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11041 to 11032. [2022-07-12 15:28:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 7560 states have (on average 1.2560846560846561) internal successors, (9496), 7664 states have internal predecessors, (9496), 3006 states have call successors, (3006), 466 states have call predecessors, (3006), 464 states have return successors, (3003), 2973 states have call predecessors, (3003), 3003 states have call successors, (3003) [2022-07-12 15:28:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 15505 transitions. [2022-07-12 15:28:33,240 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 15505 transitions. Word has length 234 [2022-07-12 15:28:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:28:33,241 INFO L495 AbstractCegarLoop]: Abstraction has 11032 states and 15505 transitions. [2022-07-12 15:28:33,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:28:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 15505 transitions. [2022-07-12 15:28:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-12 15:28:33,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:33,247 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2022-07-12 15:28:33,289 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 15:28:33,467 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 15:28:33,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:33,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1292582893, now seen corresponding path program 1 times [2022-07-12 15:28:33,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:33,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427978024] [2022-07-12 15:28:33,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:33,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:33,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:33,472 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 15:28:33,473 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 15:28:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:35,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:35,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-07-12 15:28:35,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:35,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:35,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427978024] [2022-07-12 15:28:35,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427978024] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:35,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:35,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822962857] [2022-07-12 15:28:35,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:35,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:35,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:35,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:35,873 INFO L87 Difference]: Start difference. First operand 11032 states and 15505 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 15:28:36,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:28:36,747 INFO L93 Difference]: Finished difference Result 29329 states and 41233 transitions. [2022-07-12 15:28:36,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:28:36,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 248 [2022-07-12 15:28:36,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:28:36,883 INFO L225 Difference]: With dead ends: 29329 [2022-07-12 15:28:36,883 INFO L226 Difference]: Without dead ends: 18336 [2022-07-12 15:28:36,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:36,950 INFO L413 NwaCegarLoop]: 6764 mSDtfsCounter, 5501 mSDsluCounter, 5639 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5501 SdHoareTripleChecker+Valid, 12403 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:28:36,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5501 Valid, 12403 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 15:28:37,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18336 states. [2022-07-12 15:28:37,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18336 to 18323. [2022-07-12 15:28:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18323 states, 12558 states have (on average 1.25497690715082) internal successors, (15760), 12740 states have internal predecessors, (15760), 4993 states have call successors, (4993), 773 states have call predecessors, (4993), 770 states have return successors, (4990), 4931 states have call predecessors, (4990), 4990 states have call successors, (4990) [2022-07-12 15:28:38,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18323 states to 18323 states and 25743 transitions. [2022-07-12 15:28:38,033 INFO L78 Accepts]: Start accepts. Automaton has 18323 states and 25743 transitions. Word has length 248 [2022-07-12 15:28:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:28:38,034 INFO L495 AbstractCegarLoop]: Abstraction has 18323 states and 25743 transitions. [2022-07-12 15:28:38,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 15:28:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 18323 states and 25743 transitions. [2022-07-12 15:28:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-12 15:28:38,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:38,047 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 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] [2022-07-12 15:28:38,092 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 15:28:38,271 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 15:28:38,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:38,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:38,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1553606092, now seen corresponding path program 1 times [2022-07-12 15:28:38,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:38,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883451982] [2022-07-12 15:28:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:38,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:38,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:38,277 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 15:28:38,278 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 15:28:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:40,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:28:40,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-12 15:28:43,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:43,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:43,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883451982] [2022-07-12 15:28:43,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883451982] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:43,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:43,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:28:43,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443210383] [2022-07-12 15:28:43,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:43,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:28:43,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:43,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:28:43,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:28:43,692 INFO L87 Difference]: Start difference. First operand 18323 states and 25743 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-12 15:28:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:28:44,373 INFO L93 Difference]: Finished difference Result 18323 states and 25743 transitions. [2022-07-12 15:28:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 15:28:44,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 274 [2022-07-12 15:28:44,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:28:44,437 INFO L225 Difference]: With dead ends: 18323 [2022-07-12 15:28:44,437 INFO L226 Difference]: Without dead ends: 18268 [2022-07-12 15:28:44,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:28:44,448 INFO L413 NwaCegarLoop]: 5680 mSDtfsCounter, 5568 mSDsluCounter, 5680 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5568 SdHoareTripleChecker+Valid, 11360 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:28:44,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5568 Valid, 11360 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:28:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18268 states. [2022-07-12 15:28:45,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18268 to 18268. [2022-07-12 15:28:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18268 states, 12533 states have (on average 1.2545280459586692) internal successors, (15723), 12703 states have internal predecessors, (15723), 4966 states have call successors, (4966), 768 states have call predecessors, (4966), 768 states have return successors, (4966), 4918 states have call predecessors, (4966), 4966 states have call successors, (4966) [2022-07-12 15:28:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18268 states to 18268 states and 25655 transitions. [2022-07-12 15:28:45,282 INFO L78 Accepts]: Start accepts. Automaton has 18268 states and 25655 transitions. Word has length 274 [2022-07-12 15:28:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:28:45,283 INFO L495 AbstractCegarLoop]: Abstraction has 18268 states and 25655 transitions. [2022-07-12 15:28:45,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-12 15:28:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 18268 states and 25655 transitions. [2022-07-12 15:28:45,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-12 15:28:45,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:45,303 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 5, 5, 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] [2022-07-12 15:28:45,342 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 15:28:45,516 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 15:28:45,517 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:45,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1447059947, now seen corresponding path program 1 times [2022-07-12 15:28:45,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:45,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057268203] [2022-07-12 15:28:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:45,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:45,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:45,528 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 15:28:45,531 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 15:28:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:47,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:47,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2022-07-12 15:28:48,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:48,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:48,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057268203] [2022-07-12 15:28:48,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057268203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:48,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:48,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:48,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409408325] [2022-07-12 15:28:48,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:48,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:48,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:48,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:48,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:48,289 INFO L87 Difference]: Start difference. First operand 18268 states and 25655 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-12 15:28:49,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:28:49,458 INFO L93 Difference]: Finished difference Result 40079 states and 56295 transitions. [2022-07-12 15:28:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:28:49,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 300 [2022-07-12 15:28:49,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:28:49,679 INFO L225 Difference]: With dead ends: 40079 [2022-07-12 15:28:49,679 INFO L226 Difference]: Without dead ends: 25235 [2022-07-12 15:28:49,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:49,716 INFO L413 NwaCegarLoop]: 10441 mSDtfsCounter, 4893 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 16024 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:28:49,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4893 Valid, 16024 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 15:28:49,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25235 states. [2022-07-12 15:28:50,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25235 to 25231. [2022-07-12 15:28:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25231 states, 17313 states have (on average 1.2540287645122163) internal successors, (21711), 17547 states have internal predecessors, (21711), 6846 states have call successors, (6846), 1071 states have call predecessors, (6846), 1071 states have return successors, (6846), 6778 states have call predecessors, (6846), 6846 states have call successors, (6846) [2022-07-12 15:28:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25231 states to 25231 states and 35403 transitions. [2022-07-12 15:28:50,730 INFO L78 Accepts]: Start accepts. Automaton has 25231 states and 35403 transitions. Word has length 300 [2022-07-12 15:28:50,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:28:50,731 INFO L495 AbstractCegarLoop]: Abstraction has 25231 states and 35403 transitions. [2022-07-12 15:28:50,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-12 15:28:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 25231 states and 35403 transitions. [2022-07-12 15:28:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-12 15:28:50,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:50,756 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 6, 6, 6, 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] [2022-07-12 15:28:50,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-12 15:28:50,979 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 15:28:50,980 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:50,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:50,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1991695558, now seen corresponding path program 1 times [2022-07-12 15:28:50,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:50,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748192815] [2022-07-12 15:28:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:50,983 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 15:28:50,985 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 15:28:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:52,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:52,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-12 15:28:53,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:53,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:53,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748192815] [2022-07-12 15:28:53,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748192815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:53,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:53,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:53,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117379710] [2022-07-12 15:28:53,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:53,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:53,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:53,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:53,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:53,111 INFO L87 Difference]: Start difference. First operand 25231 states and 35403 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 15:28:54,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:28:54,331 INFO L93 Difference]: Finished difference Result 68533 states and 96215 transitions. [2022-07-12 15:28:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:28:54,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 328 [2022-07-12 15:28:54,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:28:54,484 INFO L225 Difference]: With dead ends: 68533 [2022-07-12 15:28:54,484 INFO L226 Difference]: Without dead ends: 43285 [2022-07-12 15:28:54,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:54,550 INFO L413 NwaCegarLoop]: 10636 mSDtfsCounter, 5517 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5517 SdHoareTripleChecker+Valid, 16265 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:28:54,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5517 Valid, 16265 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:28:54,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43285 states. [2022-07-12 15:28:56,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43285 to 43283. [2022-07-12 15:28:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43283 states, 29689 states have (on average 1.2547744956044327) internal successors, (37253), 30087 states have internal predecessors, (37253), 11759 states have call successors, (11759), 1834 states have call predecessors, (11759), 1834 states have return successors, (11759), 11649 states have call predecessors, (11759), 11759 states have call successors, (11759) [2022-07-12 15:28:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43283 states to 43283 states and 60771 transitions. [2022-07-12 15:28:56,297 INFO L78 Accepts]: Start accepts. Automaton has 43283 states and 60771 transitions. Word has length 328 [2022-07-12 15:28:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:28:56,298 INFO L495 AbstractCegarLoop]: Abstraction has 43283 states and 60771 transitions. [2022-07-12 15:28:56,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 15:28:56,298 INFO L276 IsEmpty]: Start isEmpty. Operand 43283 states and 60771 transitions. [2022-07-12 15:28:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-12 15:28:56,331 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:28:56,331 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 6, 6, 6, 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] [2022-07-12 15:28:56,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 15:28:56,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:28:56,560 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:28:56,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:28:56,560 INFO L85 PathProgramCache]: Analyzing trace with hash -849193092, now seen corresponding path program 1 times [2022-07-12 15:28:56,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:28:56,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757101828] [2022-07-12 15:28:56,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:28:56,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:28:56,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:28:56,580 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:28:56,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 15:28:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:28:58,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:28:58,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:28:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-12 15:28:58,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:28:58,843 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:28:58,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757101828] [2022-07-12 15:28:58,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757101828] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:28:58,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:28:58,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:28:58,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208333035] [2022-07-12 15:28:58,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:28:58,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:28:58,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:28:58,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:28:58,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:28:58,845 INFO L87 Difference]: Start difference. First operand 43283 states and 60771 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 15:29:01,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:29:01,013 INFO L93 Difference]: Finished difference Result 104631 states and 146945 transitions. [2022-07-12 15:29:01,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:29:01,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 328 [2022-07-12 15:29:01,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:29:01,555 INFO L225 Difference]: With dead ends: 104631 [2022-07-12 15:29:01,555 INFO L226 Difference]: Without dead ends: 64772 [2022-07-12 15:29:01,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:29:01,677 INFO L413 NwaCegarLoop]: 11172 mSDtfsCounter, 5522 mSDsluCounter, 5624 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 16796 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:29:01,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5522 Valid, 16796 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:29:01,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64772 states. [2022-07-12 15:29:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64772 to 64770. [2022-07-12 15:29:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64770 states, 44437 states have (on average 1.2548326844746496) internal successors, (55761), 45029 states have internal predecessors, (55761), 17589 states have call successors, (17589), 2743 states have call predecessors, (17589), 2743 states have return successors, (17589), 17429 states have call predecessors, (17589), 17589 states have call successors, (17589) [2022-07-12 15:29:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64770 states to 64770 states and 90939 transitions. [2022-07-12 15:29:04,299 INFO L78 Accepts]: Start accepts. Automaton has 64770 states and 90939 transitions. Word has length 328 [2022-07-12 15:29:04,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:29:04,299 INFO L495 AbstractCegarLoop]: Abstraction has 64770 states and 90939 transitions. [2022-07-12 15:29:04,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 15:29:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 64770 states and 90939 transitions. [2022-07-12 15:29:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-12 15:29:04,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:29:04,348 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 15:29:04,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 15:29:04,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:29:04,575 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:29:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:29:04,576 INFO L85 PathProgramCache]: Analyzing trace with hash -39304126, now seen corresponding path program 1 times [2022-07-12 15:29:04,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:29:04,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153149057] [2022-07-12 15:29:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:29:04,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:29:04,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:29:04,588 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:29:04,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 15:29:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:29:06,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-12 15:29:06,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:29:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 405 proven. 3 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2022-07-12 15:29:09,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:29:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2022-07-12 15:29:11,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:29:11,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153149057] [2022-07-12 15:29:11,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153149057] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 15:29:11,880 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 15:29:11,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-12 15:29:11,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948452860] [2022-07-12 15:29:11,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 15:29:11,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-12 15:29:11,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:29:11,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-12 15:29:11,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-12 15:29:11,882 INFO L87 Difference]: Start difference. First operand 64770 states and 90939 transitions. Second operand has 22 states, 21 states have (on average 7.0) internal successors, (147), 20 states have internal predecessors, (147), 6 states have call successors, (48), 3 states have call predecessors, (48), 8 states have return successors, (48), 7 states have call predecessors, (48), 6 states have call successors, (48) [2022-07-12 15:30:55,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:30:55,860 INFO L93 Difference]: Finished difference Result 165734 states and 232703 transitions. [2022-07-12 15:30:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 15:30:55,862 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.0) internal successors, (147), 20 states have internal predecessors, (147), 6 states have call successors, (48), 3 states have call predecessors, (48), 8 states have return successors, (48), 7 states have call predecessors, (48), 6 states have call successors, (48) Word has length 354 [2022-07-12 15:30:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:30:56,616 INFO L225 Difference]: With dead ends: 165734 [2022-07-12 15:30:56,616 INFO L226 Difference]: Without dead ends: 100923 [2022-07-12 15:30:56,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-12 15:30:56,848 INFO L413 NwaCegarLoop]: 11535 mSDtfsCounter, 16787 mSDsluCounter, 158481 mSDsCounter, 0 mSdLazyCounter, 12813 mSolverCounterSat, 3792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17298 SdHoareTripleChecker+Valid, 170016 SdHoareTripleChecker+Invalid, 16605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 3792 IncrementalHoareTripleChecker+Valid, 12813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:30:56,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17298 Valid, 170016 Invalid, 16605 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [3792 Valid, 12813 Invalid, 0 Unknown, 0 Unchecked, 97.3s Time] [2022-07-12 15:30:56,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100923 states. [2022-07-12 15:31:00,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100923 to 64814. [2022-07-12 15:31:00,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64814 states, 44468 states have (on average 1.2546775209139156) internal successors, (55793), 45060 states have internal predecessors, (55793), 17591 states have call successors, (17591), 2754 states have call predecessors, (17591), 2754 states have return successors, (17591), 17431 states have call predecessors, (17591), 17591 states have call successors, (17591) [2022-07-12 15:31:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64814 states to 64814 states and 90975 transitions. [2022-07-12 15:31:00,651 INFO L78 Accepts]: Start accepts. Automaton has 64814 states and 90975 transitions. Word has length 354 [2022-07-12 15:31:00,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:31:00,652 INFO L495 AbstractCegarLoop]: Abstraction has 64814 states and 90975 transitions. [2022-07-12 15:31:00,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.0) internal successors, (147), 20 states have internal predecessors, (147), 6 states have call successors, (48), 3 states have call predecessors, (48), 8 states have return successors, (48), 7 states have call predecessors, (48), 6 states have call successors, (48) [2022-07-12 15:31:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 64814 states and 90975 transitions. [2022-07-12 15:31:00,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-12 15:31:00,690 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:31:00,691 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 15:31:00,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 15:31:00,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:31:00,904 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:31:00,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:31:00,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1529518007, now seen corresponding path program 1 times [2022-07-12 15:31:00,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:31:00,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734558218] [2022-07-12 15:31:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:31:00,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:31:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:31:00,908 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:31:00,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 15:31:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:02,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:31:02,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:31:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2022-07-12 15:31:03,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:31:03,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:31:03,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734558218] [2022-07-12 15:31:03,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734558218] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:31:03,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:31:03,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:31:03,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094344062] [2022-07-12 15:31:03,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:31:03,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:31:03,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:31:03,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:31:03,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:31:03,115 INFO L87 Difference]: Start difference. First operand 64814 states and 90975 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 15:31:05,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:31:05,733 INFO L93 Difference]: Finished difference Result 147663 states and 207293 transitions. [2022-07-12 15:31:05,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:31:05,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 362 [2022-07-12 15:31:05,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:31:06,322 INFO L225 Difference]: With dead ends: 147663 [2022-07-12 15:31:06,322 INFO L226 Difference]: Without dead ends: 82868 [2022-07-12 15:31:06,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:31:06,501 INFO L413 NwaCegarLoop]: 11177 mSDtfsCounter, 5515 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5515 SdHoareTripleChecker+Valid, 16806 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:31:06,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5515 Valid, 16806 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:31:06,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82868 states. [2022-07-12 15:31:09,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82868 to 64814. [2022-07-12 15:31:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64814 states, 44468 states have (on average 1.2546550328325987) internal successors, (55792), 45060 states have internal predecessors, (55792), 17591 states have call successors, (17591), 2754 states have call predecessors, (17591), 2754 states have return successors, (17591), 17431 states have call predecessors, (17591), 17591 states have call successors, (17591) [2022-07-12 15:31:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64814 states to 64814 states and 90974 transitions. [2022-07-12 15:31:09,649 INFO L78 Accepts]: Start accepts. Automaton has 64814 states and 90974 transitions. Word has length 362 [2022-07-12 15:31:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:31:09,650 INFO L495 AbstractCegarLoop]: Abstraction has 64814 states and 90974 transitions. [2022-07-12 15:31:09,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-12 15:31:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 64814 states and 90974 transitions. [2022-07-12 15:31:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-12 15:31:09,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:31:09,897 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 15:31:09,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 15:31:10,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:31:10,140 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:31:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:31:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 387015541, now seen corresponding path program 1 times [2022-07-12 15:31:10,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:31:10,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245016641] [2022-07-12 15:31:10,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:31:10,142 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:31:10,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:31:10,144 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:31:10,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 15:31:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:12,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:31:12,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:31:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 1671 trivial. 0 not checked. [2022-07-12 15:31:12,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:31:12,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:31:12,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245016641] [2022-07-12 15:31:12,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245016641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:31:12,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:31:12,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:31:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446971948] [2022-07-12 15:31:12,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:31:12,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:31:12,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:31:12,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:31:12,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:31:12,485 INFO L87 Difference]: Start difference. First operand 64814 states and 90974 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-12 15:31:15,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:31:15,828 INFO L93 Difference]: Finished difference Result 158247 states and 222174 transitions. [2022-07-12 15:31:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:31:15,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 362 [2022-07-12 15:31:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:31:16,365 INFO L225 Difference]: With dead ends: 158247 [2022-07-12 15:31:16,366 INFO L226 Difference]: Without dead ends: 96857 [2022-07-12 15:31:16,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:31:16,572 INFO L413 NwaCegarLoop]: 11131 mSDtfsCounter, 5470 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5470 SdHoareTripleChecker+Valid, 16737 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:31:16,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5470 Valid, 16737 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:31:16,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96857 states. [2022-07-12 15:31:21,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96857 to 96849. [2022-07-12 15:31:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96849 states, 66446 states have (on average 1.2542365228907684) internal successors, (83339), 67337 states have internal predecessors, (83339), 26285 states have call successors, (26285), 4117 states have call predecessors, (26285), 4117 states have return successors, (26285), 26042 states have call predecessors, (26285), 26285 states have call successors, (26285) [2022-07-12 15:31:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96849 states to 96849 states and 135909 transitions. [2022-07-12 15:31:21,651 INFO L78 Accepts]: Start accepts. Automaton has 96849 states and 135909 transitions. Word has length 362 [2022-07-12 15:31:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:31:21,652 INFO L495 AbstractCegarLoop]: Abstraction has 96849 states and 135909 transitions. [2022-07-12 15:31:21,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-12 15:31:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 96849 states and 135909 transitions. [2022-07-12 15:31:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-12 15:31:21,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:31:21,684 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:31:21,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 15:31:21,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:31:21,908 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:31:21,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:31:21,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1072548785, now seen corresponding path program 1 times [2022-07-12 15:31:21,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:31:21,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399458411] [2022-07-12 15:31:21,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:31:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:31:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:31:21,911 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:31:21,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 15:31:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:31:24,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:31:24,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:31:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2022-07-12 15:31:24,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:31:24,513 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:31:24,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399458411] [2022-07-12 15:31:24,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399458411] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:31:24,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:31:24,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:31:24,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895889545] [2022-07-12 15:31:24,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:31:24,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:31:24,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:31:24,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:31:24,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:31:24,514 INFO L87 Difference]: Start difference. First operand 96849 states and 135909 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35)